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Complete version history for START-PROF:
Added ASME B31E-2008 with B31Ea-2010 addenda
Added ASME NM.1-2022 for thermoplastic piping systems
Added ASME NM.2-2020 for glass-fiber-reinforced thermosetting-resin piping systems
Added ASME NM.3.3-2020 nonmetallic materials to the material database
Added GB/T 34275-2024 for gas and oil pipelines
Updated ASME B31.1-2024 Power Piping
Updated ASME B31.3-2024 Process Piping
Updated ASME B31.8-2025 Gas Transmission and Distribution Piping Systems
The ASME B31.1, ASME B31.3, ASME B31.4, and GB/T 34275-2024 databases have been updated with revised values for allowable stress, modulus of elasticity, and Poisson's ratio
Updated EN 13480-2024 Metallic Industrial Piping
Updated ASME B31J-2023 for stress intensification and flexibility factors
Updated ASME B31G-2023 for remaining strength of corroded pipelines
Added corrosion database with corrosion rates for various metal-fluid combinations to determine corrosion allowance
Added supports database with weight, dimensions, and allowable loads for support modeling
Added new soil model EN 13941
Enabled nodal load application for underground pipelines
Added coordinate system selection (Z-axis up or Y-axis up) in project settings and north direction indicator in graphics
Added SIF specification for flange pairs and single flanges
Added detailed internal forces table for manual stress calculations in Excel per any code
START-Elements: Added support temperature calculation for column skirts, supports, trunnions, and connected components
START-Elements: Added ASME B31 flexibility analysis check to determine if stress analysis is required
Added single-directional spring, double-acting bilinear, and single-directional bilinear restraints to custom restraints
Enabled manual bending stiffness input for lateral expansion joints
Enhanced spring characteristics table with lock status, allowable load, manufacturer, and compression ratio percentage
Added LISEGA constant spring selection
Enabled "extended range" use for spring hangers and supports
Added allowable load specification for steel structures supporting spring hangers
Highlighted maximum stress ratio cells in yellow in stress tables
Highlighted lifted-off supports and restraints in blue in support load tables and displacement tables
Added batch fitting insertion for empty nodes grouped by angle and diameter after third-party model import
Added Edit menu functions: Select all underground, Select all above-ground, Select current segment, Invert selection, and Edit selection for components
Added flexible element deformation display in expansion joint tables
Added selection function in project tree to highlight elements with matching properties
Added PASS/NOZZLE-FEM nozzle stress calculation links to Word reports
Added weight load deformation visualization
Added complete Bill of Materials export to Excel
Import from CAESAR II: now correctly working with files with node numbers over 31999
All databases on pipes and fittings have been updated according to all standards
START–AVEVA
Added processing of MDS supports. Configuration file updated with the corresponding section
Fixed coordinate determination error when offset relative to global SITE/ZONE
Fixed duplication of nodes at the connection point of an empty BRAN
IFC Export
Added export to IFC
Added START-PROF color scheme
Implemented export of START-PROF object parameters
Ensured compatibility with many IFC viewer programs
Added support for BREP model representations
Added IFC object naming based on element type and nodes
IFC Import
Added import from IFC
Implemented handling of IFC specifics obtained from AVEVA E3D
Added support for Solid, Brep, and Tesselation model representations
Implemented user option to select the CAD system from which IFC was produced
CAESAR
Support for importing Caesar nodes exceeding number 31999
Added module for exporting from Renga to the PASS/START-PROF neutral format
PCF Import
Added support for COUPLING elements
Added processing of additional assembly variants of flange‑connected components
Added check for component weight (if weight is missing, the “Calculate weight automatically” option in START‑PROF will be active)
Added accounting for BOLT component weight in total assembly weight
Added support for weight in pounds (LBS)
Implemented correct orientation of fittings (elbows/tees) at free pipe ends
Implemented inheritance of PIPE component parameters by multiple segments in START-PROF in case of splitting
Added support for PCF files generated in Autodesk Inventor
Implemented advanced attribute reading mechanism, including reading attributes from the MATERIALS block
StressISO 3D
Added support for BricsCAD
Implemented automatic deployment and updating of StressISO 3D assemblies, as well as saving drawing templates for different assembly versions
Added user option to select CAD system and its version
Added ability for users to work with different access rights
Extended version support: full compatibility with AutoCAD (2020–2026) and BricsCAD (2023–2026)
Stability improvements, bug fixes, and other enhancements
Added export to .ifc format
Added manual SIF specification for plastic piping codes (DVS 2205/2210)
Added stiffness and flexibility specification for custom and universal expansion joints
Stability improvements, bug fixes, and other enhancements
New licensing system implemented. Version 4.87 requires dongle updates with a revised procedure. Refer to the user manual and release notes for details. Dongle conversion disables compatibility with previous versions (4.86 and earlier). Projects saved in v4.87 undergo file format conversion and cannot be opened in older versions. Use the neutral format for backward compatibility. Contact sales@passuite.com for dongle replacement or conversion.
CAESAR II v14 import support added
Linux Operating System support via WINE compatibility layer. START 4.87 successfully tested on Ubuntu with optimized Wine configuration
Report export to MS Excel format enabled
User-defined weight input for all support types
New actual pipe length property
Precompression load specification for spring hangers and supports
New function to transfer spring precompression values to spring properties
Enhanced spring selection algorithm for optimal spring sizing
Option to disable analysis for specific independent segments
Buried pipe ring deflection calculation (dY/DN) in START-Elements. Surface load strength analysis for pipes
Two new coordinate systems for pipe elements: cylindrical2 and spherical2
Single use compensator (E-comp) support in ASME B31.1 code
ASME B31.3-2022 code update
ASME B31.4-2022 code update
ASME B31.5-2022 code update
ASME B31.8-2022 code update
ASME B31.12-2023 code update
EN 13480-3:2017+A5:2022 code update
EN 13941-2019+A1:2021 code update
GOST 55990 code update
Stress ISO 3D generator update
UI enhancements with Chinese and Spanish localization
AutoCAD 2023, 2024, 2025 support
Improved component detailing
Stability improvements
PCF import enhancements
CLAMP support added
LAPJOINT-STUBEND and LAPJOINT-RING string support
Zero-length flange support
Leading tab character support in PCF files
Revised valve assembly insertion point processing
START-AVEVA module updates
Node number ignore function during sequential import
Test pressure transfer algorithm update
FBLI assembly transfer support
Bug fixes
User guide improvements
CAESAR II export: Fixed reducer alpha angle conversion and other enhancements
CAESAR II import: Version 14 support added
Stability improvements, bug fixes, and general enhancements
Fixed spring hanger display issue
Corrected PP-R material properties in database
Enhanced PCF import/export functionality
Improved iteration convergence algorithms with new iteration types 6, 7, 8
HEXAGON CAESAR II v13 import support and model conversion improvements
Enhanced StressISO 3D generator for AutoCAD with 2023 version support
Iteration count display per load case in Error and Warning window
Frame-based piping selection support for all graphics adapters
Detailed iteration convergence data per load case
Stability improvements, bug fixes, and general enhancements
New StressISO 3D generator for AutoCAD:
Solid Attributive Model export to .dwg
Automatic or manual dimensioning and tagging
Automatic stress analysis results table generation in AutoCAD
Custom layer properties and attribute export settings
Windows 11 compatibility
Updated ASME B31.1-2022 Power Piping code
Updated ASME B31.8-2020 Gas Transmission and Distribution Piping Systems
Updated ASME B31.9-2020 Building Services Piping
Updated EN 13480-3:2017+A1:2021 Metallic Industrial Piping
Updated SP 36.13330.2012 code
Updated flange pressure-temperature ratings to ASME B16.5-2020
Updated component databases to latest standards: ASME B16.9-2018 (Bends, Tees, Reducers), ASME B36.19-2022, ASME B36.10-2022 (Pipes)
Updated environmental load codes: ASCE 7-22 (USA), IS.875.3.2015 (India), AS-NZS.1170.2:2021 (Australia/New Zealand), NBC 2020 (Canada), CFE 2020 (Mexico), GB 50135-2019 (China), SP 20.13330.2016 addendum 3
Added Dubai wind code 2013
Added Blast Load analysis (DNV RP D101)
Added Spanish localization: complete UI and Word reports
Added seismic codes: ASCE 7-22 (USA), IBC, NSR-10 (Colombia), KBC 2016 (South Korea), UBC 1997, NBC 2020 (Canada), CFE 2015 (Mexico), EUROCODE 8 EN 1998-1 (2013), TKP EN 1998-1-2011 (Belarus), IS 1893:2016 (India), AS/NZS 1170.4-2007 Amendment 1,2 (Australia), Dubai Seismic Code 2013, SP 14.13330.2018 (Russia), GB 50011-2016 (China), SP RK 2.03-30-2017* (Kazakhstan), KMK 2.01.03-19 (Uzbekistan)
Added GOST 33962-2016, GOST 33964-2016, GOST 33965-2016 codes
Enhanced CAESAR II import with improved data conversion accuracy
Fixed test pressure conversion
Added ISOTracer-generated CII file support
Added uniform loads "U" and concentrated forces "F" conversion
Added complex load case conversion (e.g., "2W+2T1+1.2P1+1.3U1"-2.2U2+1.5F1)
Added flange class, material, and code conversion
Added structural beam element import
Direct integration with PASS/NOZZLE-FEM. Automatic FEA calculation of stress intensification factors for tees, bends, trunnions. Real-time FEA analysis for vessel/tank nozzle stiffness, allowable loads, and stresses
New MS Word report generator with title page, table of contents, and customizable templates. Supports company logos, fonts, and layout modifications
Added internal restraint modeling capability. Models connections to pipes/beams with friction, single-directional restraints, and gaps. Supports pipe-to-column and pipe-to-skid/ramp connections
New Beam object - two-node element for steel/concrete structures. Multiple section types: I-beam, Channel, Angle. Integrated beam section database
New Flexible Element - two-node element for bellows or flexible hose modeling
New Cone object - two-node reducer element
New Single Flange object
New Axial Coupling object
New Trunnion on Bend and Trunnion on Pipe objects. Stress analysis via Kellogg Simplified, Kellogg Exact, or integrated FEA
Enhanced database operation speed
New Flange Database and Single Flange Database. Includes ASME B16.5-2020, ASME B16.47-2020 (Series A/B), EN 1092-1:2018, GOST 33259
New Gasket Database. Includes ASME B16.20-2017, EN 1514-1, EN 1514-2, GOST 15180, GOST 28759, GOST 52376, GOST 53561, OST 26.260.454, OST 26.260.451
New Valve Database - ASME B16.10-2022
New Beam Section Database for structural elements. Contains AISC (USA) and Chinese standards
New material properties database for beam elements
Updated expansion joint catalogs: Belman, Witzenmann, HKS Group, HTLY北京航天凌云 in expansion joint database
START-AVEVA module: Added trunnion bend import
District heating network expansion cushion type selection (soft, normal, hard)
Removed 3-pipe element intersection restriction per node
Internal force display excluding pressure thrust
Nozzle and equipment loads table - global coordinate system display
New MS Excel import for pipeline geometry from spreadsheet templates (.xls, .xlsx, .csv)
New Line definition capability. Color-coded lines with selective visibility and stress result filtering
Pipes List floating window - clipboard copy/paste to/from MS Excel
New Node List floating window with MS Excel clipboard support
Added pipe-support spacing calculation for ASME B31.1, B31.3, B31.4, B31.5, B31.8, B31.9, B31.12, and other codes
Added tee wall thickness calculation for pressure design per ASME B31.1, B31.3, B31.4, B31.5, B31.8, B31.9, B31.12, and other codes
Added reducer, cap, tee wall thickness calculation, pipe span calculation, L/Z/U-loop analysis in START-Elements per GB/T 20801
Added Autodesk Civil 3D import
Added LICAD export. LICAD v.11 supports START-PROF spring data import https://www.lisega.de/en/licad/
Added length and weight properties for all expansion joints. Updated expansion joint databases
User-defined expansion joint stiffness/flexibility
Support load table: Added pipe diameter column and resultant loads/moments (RSS of X,Y,Z components)
Enhanced Angular Expansion Joint model. Gimbal/hinged type selection. Temperature effects on bellows stiffness and rotation angle. Pressure and friction effects on joint stiffness
Enhanced Lateral Expansion Joint model. Types: "Lateral three or more tie-bars", "Lateral two tie-bars pinned (plane)", "Lateral two tie-bars spherical". Temperature effects on bellows stiffness and lateral deformation. Pressure and friction effects on joint stiffness
Enhanced Axial Expansion Joint model. Automatic angular/lateral stiffness consideration. Equivalent axial deformation calculation including rotational and lateral components
Added automatic update via internet
Project Tree dockable side panel
Wireframe model representation
Mouse frame selection for objects
Updated to ASME B31.1-2020 Power Piping Code (USA)
Updated to GB/T 20801-2020 Code (China)
Updated to SP 14.13330.2018 Addendum #1 for structural seismic analysis
Enhanced START-AVEVA Interface
Improved CAESAR II import. Added support for CAESAR II v.8 through v.12
Added ASME B31G-2012 Remaining Strength of Corroded Pipeline Analysis Levels 1 and 2 in START-Elements. Includes Original B31G (.67dL), Modified B31G (.85dL), Exact Trapezoid, Equivalent Area, and Effective Area methods
Added normal modes analysis. Models are created identically to static analysis. Enable the "dynamic" option to access natural frequencies and mode shape animation. Features automatic mass discretization. Verified analysis type with new examples added to the verification manual.
Added new Ball Joint object. This expansion joint permits rotation of connected pipes about three axes. Pipes rotate relative to each other when the resultant moment exceeds the friction moment. Friction moment is calculated automatically using interpolation based on pressure in each operating mode.
Added Hyspan Barco and Dalian Yiduo ball joints to the Database. Includes torque moments, allowable rotation limits, and other relevant data.
Added new Snubber object.
Added variable spring hanger and support selection with database support for these manufacturers:
Gradior
Pihasa
Pipe Support Systems GmbH (PSSI)
Piping Technology and Products Inc. (PT&P)
Sarathi
Added ability to define unique soil movements for each operating mode.
Enhanced the START-PROF calculator built into input fields. Added feet-inch representation.
Added "Mode 3" iteration algorithm to address convergence issues.
Updated pipe database to ASME B36.19M-2018.
Added full length and cone angle parameters for concentric and eccentric reducers.
Added ability to edit material database in any unit system.
Added ability to insert tank nozzle as an intermediate object. Model temperature expansions and subsidence manually using rigid elements for multiple nozzles on the same tank.
Improved EN 13941 expansion stress calculation.
Added ability to insert flange, valve, and joint elements onto nodes at the edge of bends, tees, valves, reducers, and flanges. Insert a node on the object edge, then insert the component.
Added Move Selection tool to relocate any selected piping segment. Connecting pipe geometry updates automatically.
Enhanced results presentation (support loads, displacements, stresses, expansion joint deformations). View all load case results simultaneously in one table. Select specific modes for display and reporting.
Improved CAESAR II converter for FEATOOLS neutral format files.
Added "Type 4" and "Type 5" iteration algorithms.
Reduced Word report size by removing redundant pipe properties from input tables.
Added option to specify total weight for rigid elements in addition to uniform weight.
Added ability to import load cases from CAESAR II v.11 and v.12 via Excel.
Added import from CAESAR II 7.0.
Enhanced PCF import functionality:
Attribute mapping: Assign START-PROF elements to PCF attributes. Configure mapping file paths in General Settings.
Material mapping: Correlate START-PROF materials with PCF materials.
Import disconnected piping segments.
Merge multiple PCF files into a single model.
Import FLANGE-GASKET-VALVE-GASKET-FLANGE assemblies as a single Valve element.
Import FLANGE-FLANGE pairs as a single Flange Pair element.
Added ability to modify object type properties in the project tree.
Updated to SP 284.1325800.2016 Addendum #1 for field pipelines.
Updated to ASME B31.3-2020 Process Piping Code (USA)
SIF and k-factors now automatically calculated per ASME B31J following Appendix D removal.
Updated occasional allowable stress calculation for high-pressure piping.
Updated high-pressure piping materials database.
Updated Minimum Design Metal Temperature (MDMT) calculation to 2020 edition. Example table shown with allowable reduction disabled.
Significantly enhanced CAESAR II to PASS/START-PROF converter:
Improved import of temperatures (T), pressures (P), and support movements (D) from load case editor with automatic recalculation for operation mode editor.
Added import of uniform loads (U) and concentrated forces (F) from load case editor.
Added zero-length and finite-length expansion joint conversion with automatic flexibility recalculation per CAESAR II and START-PROF rules.
Added conversion of non-axial restraints (restraints not parallel to X,Y,Z axes).
Added conversion of common CNODE applications (support displacements, nozzles).
Added flange conversion with leakage check parameters.
Added drag-and-drop support for CII files.
Modified node numbering sequence.
Improved unit conversion.
Improved test pressure conversion.
Improved rigid element conversion.
Improved material and spring conversion.
Resolved numerous issues identified through conversion of 300 real CAESAR II (*.cii) models.
Approximately 90% of imported models now analyze immediately without errors.
START-AVEVA Interface Improvements:
Added option for accurate trunnion model import.
Added world-relative coordinates.
Added element name import via parameter 449.
Improved user guide.
Implemented user-suggested enhancements.
PCF Import Enhancements
Added notification if base node is undefined.
Fixed crotch height transfer (parameter 24).
Bend transfer via TAG attribute.
Updated to SP 20.13330.2016 Addendum 3 (wind load revisions).
Added export & import for AVEVA E3D version 3.1.
Added export & import for AVEVA MARINE versions 12.1SP4 and 12.1SP5.
Added AVEVA MDS Support.
Added import from Autodesk REVIT.
Updated to ASME B31.9-2017 Building Services Piping Code (USA).
Updated to ASME B31.4-2019 Pipeline Transportation Systems for Liquids and Slurries Code (USA).
Added new codes. See Full Supported Code List.
ISO 14692-2017 Glass-reinforced Plastics Piping (GRP)
ASME B31.12-2014 Hydrogen Piping and Pipelines (USA)
BS PD 8010-1:2015 Pipeline systems – Part 1: Steel pipelines on land (UK)
BS PD 8010-2:2015 Pipeline systems – Part 2: Subsea pipelines (UK)
CSA Z662-19 + Ch.11 Oil and gas pipeline systems (Canada)
GOST R 55989-2014 Gas and Oil Transmission Pipelines for Pressure Greater 10 MPa (Russia)
GOST R 55990-2014 Field pipelines (Russia)
SP 284.1325800.2016 Field pipelines (Russia)
SP 33.13330.2012 Steel Pipelines (Russia)
EN 13941-2019 District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks (EU). START-PROF is widely used for buried district heating network analysis since 1998 in Russia, since 2015 in China, and now available for EU companies
EN 13941 7.3.1, 7.3.2, EN 253 added support for Polyurethane foam insulation stress analysis using EN codes. START-PROF can automatically perform analysis district heating networks with single use compensators or pre-heating, pipe stress under surface vehicle loads, take into account the stiffness of polyurethane insulation and expansion cushions
Added Minimum Design Metal Temperature (MDMT) calculation per ASME B31.3-2018 323.2.2 (a), (b), (d), (e), (f), (g), (h), (i), (j). MDMT values or curves A, B, C, D added for all materials in the ASME B31.3 material database. Automatically calculates MDMT based on database minimum temperature or Figure 323.2.2A, and reduces it per Figure 323.2.2B based on calculated stress ratio (if enabled in project settings), considering code requirements 323.2.2 (g), (h), (i). Provides output report table and indicates need for impact test per pipe.
Updated to ASME B31.3-2018. Updated material library, weld reduction factors, modified occasional allowable calculation for elevated temperature fluid service 302.3.6 (2), added appendix V. Added "Time duration", "Alternative Occasional" options to operating mode editor. Added Larson-Miller constant "C" to ASME B31.3 material database. For more information see code stress table.
Added automatic creep-rupture usage factor calculation per ASME B31.3-2018 Appendix V (V303.1-V303.3).
Updated EN 13480/EN 13941 material database. Added all piping materials from EN 10216-1-2013, EN 10216-2-2013, EN 10216-3-2013, EN 10216-4-2013, EN 10216-5-2013, EN 10217-1-2019, EN 10217-1-2019, EN 10217-2-2019, EN 10217-3-2019, EN 10217-4-2019, EN 10217-5-2019, EN 10217-6-2019, EN 10217-7-2014, EN 10220-2002 (2007), EN 10253-2-2007. Added automatic material property selection based on wall thickness and seamless/welded designation.
Added pipe wall thickness calculator and bend wall thickness calculator for new codes: ISO 14692-2017, EN 13941, ASME B31.12, BS PD 8010, CSA Z662, GOST R 55989, GOST R 55990, SP 284.1325800.2016, SP 33.13330.2012. Automatically checks pipe and fitting wall thicknesses before each analysis run per selected code.
Added custom hanger allowable rotation angle input for different hanger types. START-PROF automatically checks rotation and reports violations.
Added LOGSTOR, POWERPIPE, +GF+ Urecon Polyurethane Pre-insulated Pipe Jacket Sizes Database for district heating and cooling networks.
Now allows expansion cushions on vertical pipes (requested by district heating users).
Added automatic local pipe wall buckling check per ASME B31.8-2018 833.10 and EN 13941-2019 7.2.4.2.
Added built-in calculator to selected input fields.
Updated pipe database to ASME B36.10M-2018.
Added over 140 new standards to pipes, tees, bends, and reducers database, including ASME B16.9 and numerous Russian GOST, OST, RD, TU codes.
Added polypropylene "PP-B" to material database (data from DVS 2205, EN 1778, and DIN 8078 standards).
Added seismic wave propagation analysis for underground pipelines. Calculates stress and strain in buried pipeline from seismic wave propagation and checks limits per:
ASCE 2001 Guidelines for the Design of Buried Steel Pipe (American Lifelines Alliance). Improved by START-PROF authors, added shear wave effect
GB 50032 (China)
GB 50470 (China)
SNiP 2.05.06-85 (Russia)
SP 36.13330.2012 (Russia)
GOST R 55989-2014 (Russia)
GOST R 55990-2014 (Russia)
SP 284.1325800.2016 (Russia)
SP 33.13330.2012 (Russia)
Landslide, Soil subsidence, frost heaving, Permanent ground deformation (seismic fault crossing) can also be modeled. Pipeline strain check per ASCE 2001 (ALA) and GB 50470.
Added ability to specify different seismic anchor movement values within the same phase group (e.g., for different floors of a building).
Added new functions to Operation Mode Editor: Disable overload factors, apply factor to weight loads.
Added Insulation Joint (Insulation Kit) stress analysis. Automatically checks axial and torsional stress.
Added new Cylindrical Shell object for modeling boilers, pressure vessels, columns, horizontal vessels.
Added new Nozzle object for automatic modeling of boiler, pressure vessel, and column nozzles. Automatically models shell flexibility using WRC 297/PD 5500, custom values, or FEM; includes movements from vessel thermal expansion; checks allowable loads; automatically checks stresses using WRC 107/537/297.
Added new Tank Nozzle API 650 object for automatic storage tank nozzle modeling. Automatically models flexibility per API 650, thermal movements, movements/rotation from tank bulging (API 650), tank settlement; checks allowable loads per API 650 and STO-SA 03-002-2009.
Added new Pump API 610/ISO 13709 object for automatic pump modeling, considers thermal nozzle movements, checks allowable loads per API 610 and ISO 13709.
Added new Pump ISO 9905 object for automatic pump modeling, considers thermal nozzle movements, checks allowable loads per ISO 9905.
Added new Pump ISO 5199 object for automatic pump modeling, considers thermal nozzle movements, checks allowable loads per ISO 5199.
Added new In-line Pump object for automatic vertical in-line pump modeling, considers thermal nozzle movements, checks allowable loads per API 610 and ISO 13709.
Added new Compressor API 617 object for automatic compressor modeling, considers thermal nozzle movements, checks allowable loads per API 617 and ISO 10439.
Added new Turbine NEMA SM23/API 611/API 612 object for automatic steam turbine modeling, considers thermal nozzle movements, checks allowable loads per NEMA SM23, API 611, API 612, ISO 10437.
Added new Other Pump object for automatic pump modeling, considers thermal nozzle movements, checks allowable loads.
Added new Fired Heater API 560/ISO 13705 object for automatic fired heater modeling, considers thermal nozzle movements, checks allowable loads per API 560 and ISO 13705.
Added new Air cooled Heat Exchanger API 661/ISO 13706 object for automatic air-cooled heat exchanger modeling, considers thermal nozzle movements, checks allowable loads per API 661 and ISO 13706.
Added new Universal Expansion Joint object and database. Specify axial, rotational, shear, and torsional flexibility. Automatically checks individual and combined allowable deformations. Replaces manual modeling with custom expansion joints.
Added new Torsion Expansion Joint object and database. Automatically models torsion friction (friction moment) and checks allowable rotation angle.
Added new Plane Flaw object to model planar flaws on pipes and check flaw stresses.
Added new Volumetric Flaw object to model volumetric flaws on pipes, bends, and tees, and check flaw stresses.
Added ability to specify insulation, cladding, and liner density and thickness in pipe properties. Retains option to select insulation weight from database.
Added Windows Explorer thumbnails for piping model preview.
Added Copy Whole Model function. Copy entire piping model to clipboard as an interactive object for insertion into MS WORD, EXCEL, etc. Rotate, pan, and zoom model within MS WORD.
For long-radius bends, added ability to inherit all properties from connected pipe except radius.
Added export to EHS pipe support sizing software (generates cad8.dat file).
Added automatic backup copy creation before each run (timestamped). Configure in general settings.
Eliminated lag when copying/cutting pipes in large models.
Fixed rotation function for models with multiple independent segments.
Added automatic compression for START-PROF model files (.ctp). Reduces file size by ~90%.
Significantly increased open/save speed for large models.
Allows Joint element insertion between pipe and Rigid Element nodes.
Added new topics to Application Guide.
Created full Validation and Verification report. Added verification examples compared to manual calculations, CAESAR II, and other software.
Previous versions calculated stress range between operating state and cold state with 0.5 friction multiplier (default safety). Current version uses full friction factor for cold state in stress range calculation. To replicate previous results, create a second operating mode with 0.5 friction multiplier and calculate stress range between operating state and this cold state.
Updated to ASME B31.5-2019 Refrigeration Piping and Heat Transfer Components Code (USA).
Updated to ASME B31.12-2019 Hydrogen Piping and Pipelines Code (USA).
Added import for CAESAR II 2019 (v11) neutral files.
Added Pipes, Tees, Bends, and Reducers properties per EN codes: EN 10216-1:2013, EN 10216-2:2013, EN 10216-3:2013, EN 10216-42013, EN 10216-5:2013, EN 10217-1:2019, EN 10217-2:2019, EN 10217-3:2019, EN 10217-4:2019, EN 10217-5:2019, EN 10217-6:2019, EN 10217-7:2019, EN 10253-1:1999, EN 10253-2:2007, EN 10253-3:2008, EN 10253-4:2008.
Added preliminary description of PASS/START-PROF API (application programming interface) for developing side applications in C#, Basic, etc. Create, modify, analyze models, and read results via START-PROF. Enables plug-in development. Full documentation available upon request. Potential uses:
Example plugins developed with PASS/START-PROF API: Export to PCF, Import from PCF, Export to CAESAR II, Import from CAESAR II, Import from PDMS, QA (quality assurance) software for automated multi-model analysis and version comparison.
Enables companies to develop custom plugins for seamless PASS/START-PROF integration into workflows. Create plugins to automatically invoke stress analysis from 3D modeling software in the background and return results or generate corporate-template reports.
Enables data conversion plugins between PASS/START-PROF and other software.
Enables piping model optimization or complex parametric analysis sequence plugins.
Added model import from Excel Spreadsheet for geometry from manually created spreadsheets.
Added model import via data extraction from AutoCAD for geometry from AutoCAD.
Added stiffening rings on pipe elements for vacuum piping buckling analysis.
Added miter joints on ends of bend elements and other fittings.
Added manual movement input for turbine, compressor, pump, and nozzle objects if provided by manufacturer.
Added SNiP III-42-80* and SP 86.13330.2014 codes for pipeline construction stage.
Pipe database updated to ASME B36.19M-2018.
EN 13941: Now uses effective axial force instead of true axial force for stress calculation.
Removed restriction on different pressures/temperatures for pipes connected to fittings (tees, bends, reducers). Uses highest temperature and pressure for fitting wall thickness check, SIF, and k-factor calculation (if required by code).
Built-in calculator added to more user interface fields.
Added ability to navigate between adjacent pipe objects without closing dialog.
Added bend angle check. Added view/modify capability for long-radius bend tangent.
Added ISOPLUS Polyurethane Pre-insulated Pipe Jacket Sizes Database for district heating and cooling networks (Standard, 1x reinforced, 2x reinforced).
Added INPAL (Solice) Polyurethane Pre-insulated Pipe Jacket Sizes Database for district heating and cooling networks (Isolation Standard, Isolation +, Isolation ++).
Added export to CAESAR II neutral file (.cii).
Added export to PCF (.pcf) file.
Added unlimited nozzles for turbine and compressor objects.
Additional force-based loads now exported to MS WORD report and project tree.
Removed hoop tangent stress check in insulation for EN 13941 code.
Added function to replace flange with rigid element.
Added new analysis types for EN 13941 code.
Added product, insulation, cladding, and lining density selection menu.
Added graphical representation of horizontal soil movements.
Added copy Pipe List to clipboard for pasting into MS EXCEL.
Added PE 4710 to thermoplastic database.
Improved PE-RT II material properties for -30°C to 95°C range.
Added new pipe stress analysis codes and corresponding material databases:
ASME B31.3 Process Piping (USA)
ASME B31.4 Liquid Transportation (USA)
ASME B31.5 Refrigeration piping and heat transfer (USA)
ASME B31.8 Gas Transmission (USA)
ASME B31.9 Building Services Piping (USA)
EN 13480 Metallic Industrial Piping (European Union)
GB 50251-2015 Gas Pipelines (China)
GB 50253-2014 Oil Pipelines (China)
GB/T 20801-2006 Process Piping (China)
GB 50316-2008 Metallic Industrial Piping (China)
Added fitness-for-service defect stress check per GB/T 19624-2004 (China).
Added ability to use ASME B31J SIF and k-factors with all ASME, EN, DL/T, GB and GB/T code series.
Added 4 new variable spring selection tables:
ANVIL
Pipe Supports Ltd.
Carpenter & Paterson Ltd.
SEONGHWA
Added 4 new constant load spring selection tables:
ANVIL
Pipe Supports Ltd.
Carpenter & Paterson Ltd.
SEONGHWA
Added "Other" constant load spring selection option for manual selection from any manufacturer.
Added "Pipes" database with standard pipe properties.
Added function to copy selected pipe properties from current operation mode to other operation modes.
Added wall thickness check for pressure in occasional operation modes.
Added soil movement specification in X,Y,Z directions for modeling subsidence, landslide, swelling, seismic soil movements.
Added manual seismic acceleration input option (alternative to code calculation).
Added multiple high-temperature mode analysis. Specify creep diminish and creep self-springing factors per mode.
Added axial SIF specification for joints.
Added node numbering step selection.
Added stress/allowable stress ratio columns in stress tables.
Improved "Load and Displacement in Restraints" table. Shows loads and displacements for all operating modes simultaneously.
Eliminated incorrect "Solution integrity check failed" and "Iterations didn't converge" messages in certain cases.
Eliminated incorrect "Allowable load of springs in the support is insufficient" messages in certain cases.
Eliminated incorrect "Material cannot be used at specified temperature" messages in certain cases.
Eliminated incorrect "Pipe wall thickness insufficient for soil pressure" messages in certain cases.
Improved CAESAR II import module.
Improved PCF import module.
Improved operation mode editor; fixed several bugs.
Improved soil support placement algorithm.
Start-Elements: Fixed pipe loop calculation bug with non-zero pressure.
Added function to replace valve with rigid element (useful for post-CAESAR II import cleanup).
Improved CAESAR II import: nozzles (CNODE), reducers, rigid elements, code, insulation weight, and other enhancements.
Start-Elements: Added automatic weld strength reduction factor (Wl) calculation for ASME B31.1, B31.3, DLT 5366 codes.
Start-Elements: Added automatic bend radius selection per B16.9 for ASME, GB, DLT codes.
GB/T 20801-2006: added test mode stress calculation.
ASME B31.1: Updated to B31.1-2018.
ASME B31J: added Errata to B31J-2017 from 11-9-2017.
Seismic code SP 14.13330.2014 replaced by SP 14.13330.2018.
ASME B31.1,3,5,9, GB 50316, GB 20801, DLT: Added "liberal allowable" option for expansion allowable stress in project settings.
Improved additional force-based loads input.
Improved slip joint modeling. Guide support near slip joint no longer required.
Improved split pipe element dialog. Added support insertion from any node and other enhancements.
Enhanced distance between nodes function. Now calculates pipe length between nodes.
Added transparent piping model view.
Added SIF and k-factor display in bend, tee, and reducer properties windows.
Added support placement in tees: sliding, springs, rigid rod hanger, custom restraint.
Added two new isometric views.
Added "exclude pressure thrust force" option in internal forces table for nozzle load determination.
Updated to ASME B31.8-2018.
Added ASME B36.10M-2015 and B36.19M-2004 standards to pipe database.
Added Thermal Bowing effect modeling.
Removed static seismic analysis limitation to above-ground piping. Now supports mixed above-ground and buried piping for seismic effects.
Added "zero projections for new pipe" setting.
Improved tee model. Branch pipe with thicker wall than connected pipe is modeled with increased stiffness.
Added waterhammer load import from PASS/HYDROSYSTEM software. See video.
Added import/export support movements to/from text file (.csv) for modification in Excel. Models ship deck hog/sag, bridge, and other structural deformations.
Added new wind load code CFE 2008 (Mexico).
Added flange leakage check for all pipe stress codes. Added pressure-temperature rating tables for ASME B16.5-2017, EN-1092-1:2013-04 and GOST codes. Methods:
Pressure Equivalent (Kellogg) Method
Code Case 2901 (PVP2013-97814) Method
DNV Method
NC 3658.3 Method
CJJ/T 81-2013: Added optional EN 13941 A2 criteria check.
Removed restriction for different loads (product, insulation, additional weight, additional non-weight) on tees and bends. Now uses average value for tee and bend.
Added interactive load case explanation tips in operation mode editor.
Increased analysis speed for some large models (2-5x).
Increased START-PROF application loading speed.
Increased large model open speed (2-20x).
Increased project tree speed for large models.
Added node insertion at end of bend, valve, flange, tee via insert node function.
Added function to replace pipe/rigid element with pipe, rigid element, reducer, valve, flange pair, ballasting weight.
Improved FEM solution methods. Large models analyze ~6x faster.
Added automatic static seismic analysis for all ASME, DLT, GB, and EN codes.
Added import from Intergraph CAESAR II (*.cii files).
Added Smart Operation Mode Editor. Analyze multiple operating modes with different temperatures, pressures, etc., in one project. Add snow, ice, wind, relief valve thrust forces,slug flow forces, waterhammer forces, seismic, and other occasional loads.
Added new Rigid Element.
Added material conversion between ASME B31.1, DL/T 5366-2014, RD 10-249-98 and other codes.
Added automatic wind load analysis per codes:
ASCE 7-10 (USA)
EN 1991-1-4:2005+A1:2010 (EU)
GB 50009-2012 (China)
IS.875.3.1987 (India)
SP 20.13330.2016 (Russia)
IBC 2012
UBC 1997
AZ/NZS 1170.2:2011 (New Zeland)
NBC 2010 (Canada)
NBR 06123-1988 (Brazil)
BS 6399-2 (Britain)
TKP EN 1991-1-4 2009 (Belarus)
CNS (Taiwan)
NSR-10 (Colombia)
KBC 2016 (Korea)
Pressure vs Elevation
Velocity vs Elevation
Added automatic snow load analysis per codes:
ASCE 7-10 (USA)
IBC 2012
EN 1991-1-3:2003+A1:2015 (EU)
GB 50009-2012 (China)
SP 20.13330.2016 (Russia)
NBC 2010 (Canada)
KBC 2016 (Korea)
Added automatic ice load analysis per codes:
ASCE 7-10 (USA)
IBC 2012
GB 50009-2012 (China)
SP 20.13330.2016 (Russia)
Added cryogenic piping analysis per GOST 32388-2013.
Added new database with bends, tees, and reducers properties from Russian standards.
Added natural arch of collapse consideration for buried pipe load calculation.
Added constant force hanger/support mode selection for test state (fixed/not fixed).
Added swinging stand modeling.
Added pipe insertion between two selected nodes.
Added flanges to valves with leakage check.
Pipe element names now included in stress and internal force output tables.
For LISEGA, WITZENMANN, NBT 47039-2013, China Power springs: added maximum horizontal displacement display in spring table.
Now spring properties transfer function transfers constant load support/hanger properties.
Start-Seismic: Added seismic analysis for FRP and plastic piping.
Start-Seismic: Improved seismic analysis methods for different codes.
ASME B31.1: Added buried piping analysis per VII-4.5, VII-5.
ASME B31.1: Fixed material properties for "A333 6".
ASME B31.1, DL/T 5366-2014: Added different SIF factor selection for joint elements.
ASME B31.1, DL/T 5366-2014: For custom bend, added automatic SIF and k-factor calculation as for standard bend.
DL/T 5366-2014: Added buried piping analysis per CJJ/T 81-2013.
ISO 14692: Added "Qualified tee" and "Qualified Bend" options for tees and miter bends. Factors mpsb and mpst affect stress check.
ISO 14692: Added "Add axial force and torsion stress" option in Project Settings.
ISO 14692: Added equation and value display in code stress table.
ISO 14692: Added stress color diagram in output 3D window.
Start-Elements: Fixed vacuum tee analysis.
Start-Elements: Added pipe wall thickness calculation for ISO 14692 and GOST 32388-2013 (Thermoplastic Piping).
Start-Elements: Added pipe and bend wall thickness calculation for ASME B31.1 and DL/T 5366-2014.
Piping model: Gaps under 5 mm in guide supports now ignored. Gaps in custom restraints considered as usual. Maximum 50 restraints with gaps.
Piping model: Fixed hanger rotation effect calculation in cold state.
Piping model: Fixed analysis of piping with only variable spring hangers/supports.
Piping model: Improved spring selection algorithm. Selects more optimal springs with lower allowable load.
In Project Settings, filter codes by category: Power Piping, Process Piping, Gas & Oil Transmission Pipelines, District Heating Piping Systems, Other.
3D view: Added hidden marker visibility in 3D input window.
3D view: Fixed 3D graphics bugs.
3D view: Improved piping appearance in 3D graphics.
3D view: Fixed mouse wheel operation with dual monitors.
Optimized linear equation solver. Reduced solution time 5%-60%.
Test state now analyzed as separate operation mode in Operation Mode Editor.
Improved deformed shape animation for additional force loads.
Caesar II import: Added support import on bend nodes.
Caesar II import: Added test mode import.
Caesar II import: Various improvements.
Joint can now be placed at 3-pipe intersection nodes.
Wind, Snow, and Ice load codes updated from ASCE 7-10 to ASCE 7-16 (USA).
Wind and Snow codes updated from GB 50011-2001 to GB 50011-2010 (China).
PCF Import: various improvements.
Piping model: Fixed bug in inclined buried pipe bend modeling with inclined ground surface.
Piping model: Fixed bug in rigid rod hanger and variable spring hanger cold mode modeling.
Added ASME B31.1 Power Piping Code (USA).
Added DL/T 5366-2014 Power Piping Code (China).
ASME B31.1, DL/T 5366-2014: Added materials to material database per codes.
ASME B31.1 and DL/T 5366-2014: Added new tee types: Weldolet, Sweepolet, Extruded Outlet.
ASME B31.1 and DL/T 5366-2014: Added new bend type: Custom Bend with user-defined SIF and k-factors.
ASME B31.1 and DL/T 5366-2014: Added user-defined SIF and branch flexibility factors for custom tees.
CJJ/T 81-2013: Fixed test state allowable stress for long-radius induction bends.
ISO 14692 and GOST 32388-2013 plastic piping: Fixed stress calculation.
Added tooltips for code stress table cells with equation and value details.
For buried piping, added concentrated soil springs at points of significant soil subsidence change.
Added pipe stiffness for tee header/branch with thicker wall than matching pipe.
Added China General Expansion Joint database to Expansion Joint database.
Fitting names now printed in result tables.
Seismic code SP 14.13330.2011 replaced by SP 14.13330.2014.
Added ability to set UNDO steps to zero (recommended for very large models to improve performance).
Added ability to set message limit in Error and Warning window (recommended 50-100 for large models to improve performance).
Added new pictures for Start-Elements.
ISO 14692 and GOST 32388-2013 plastic piping: Fixed stress calculation.
ISO 14692: Added Bondstrand 55, Fiber Glass Systems (NOV) for 25 years, filament Wound with Helical Angle 55 deg material.
CJJ/T 81-2013: Removed single-use compensator stress range check (E280).
ASME B31.1, DL/T 5366-2014: Added 5D bends.
ASME B31.1: considered Note 2 for 102.3.2.
ASME B31.1: Fixed reducing tee Zb and SIF calculation.
ASME B31.1: Fixed pipe wall thickness check in some cases.
CJJ/T 81-2013: For test mode, allowable stress for fittings (bend, tee, reducer) is 1.5St instead of 1.5(St+Sc).
CJJ/T 81-2013: Pressure stiffening factor Omega for stress range SIF calculation now Omega=0.5*(1+Omega(P)) instead of Omega=1.
CJJ/T 81-2013: Added option to calculate above-ground piping stress per DL/T 5366-2014.
DL/T 5366-2014: Expansion allowable stress now Sa=f(1.2Sc+0.2Sh) if SL>Sh.
Optimized memory usage for large models.
Optimized performance for large models.
Improved China Power spring selection algorithm.
Valve insulation weight now matching pipe weight multiplied by 1.75.
START-PROF no longer supports Windows XP. Supported OS: Vista/7/8/10.
Added Start-Plastic piping option for plastic piping stress analysis (PE, PP, PB, PVDF, PVC, etc.) per GOST 32388-2013.
Added nodal element naming (restraints, bends, tees, expansion joints, reducers, etc.).
Added mirroring function for selected piping segments relative to arbitrary plane.
Added application guide to help system.
Added new PDF user manual.
Redesigned export to DXF (AutoCAD format) module.
Start-Seismic: Added more accurate seismic stress summing algorithm. Reduces seismic stresses.
Start-Seismic: Seismic displacements now limited by specified gaps. Warning generated for gap impact.
ISO 14692: Updated to ISO 14692/Cor 1:2005.
CJJ/T 81-2013: Allowable stresses in cold and test state now 1.5Sc instead of 3Sc. Operation allowable is 3Sh.
CJJ/T 81-2013: Updated material database to DL/T 5366-2014 from DL/T 5366-2006.
Added China power springs table to springs database with selection algorithm.
Added Chinese constant force hanger table NB/T 47038-2013 to constant force hanger database with selection algorithm.
Replaced GB 10182-88 with NBT 47039-2013 in springs database.
Piping model: Improved nonlinear iteration algorithm for single-directional supports. Added solution integrity check.
Piping model: Improved soil spring placement for long-radius bends.
Start-Elements: Added centrifugal pump load check per API 610 (ISO 13709), GOST 32601-2013, and Kellogg (L.C. Peng).
Long-radius bend arc length now displayed in 3D graphics when length display enabled.
Rotate and Mirror functions now rotate pipe uniform loads, node concentrated forces, restraints in custom restraint, restraints in custom expansion joint, nodal deformations, restraint displacements.
Added highlighting for support loads exceeding allowable values.
Added tee and valve placement between anchor and slip joint.
Translated into Chinese.
Translated into English.
Added static seismic analysis for above-ground piping (Start-Seismic plug-in). Supported codes: RD 10-249-98, GOST 32388-2013, GOST R 55596-2013, SNIP 2.05.06-85, SP 36.13330.2012, CJJ/T 81-2013 per seismic codes SNiP II-7-81*, SP 14.13330.2011, NP-031-01, GB50011-2001 (via Start-Seismic plug-in).
3D view: Custom restraints now display with real link directions.
Start-Elements: Improved pipe loop calculation. Added pressure thrust effect and cold condition analysis with opposing friction forces.
CJJ/T 81-2013: Improved pipe loop calculation in Start-Elements. Added bend stress and fatigue check.
Piping model: Added automatic marker placement. Manual marker addition no longer required.
Piping model: Flange leakage analysis now displays longitudinal forces without pressure thrust effect.
Piping model: Added high-temperature pipeline flange connection load calculation.
Expansion joint and fiberglass material databases now modifiable.
Added new expansion joint deformation table for easy design/allowable deformation comparison.
Added tee height property for forged and welding tees.
Added pipe length modification in pipe properties.
Added "use gaps" checkbox for double-sided and single-sided guides.
Start-Elements: Improved iteration algorithm for virtual anchor length calculation.
Start-Seismic: Removed unnecessary error checks.
Start-Seismic: Fixed seismic anchor movement group number >10 issue.
Start-Seismic: Fixed property copy function for seismic properties.
Start-Elements: Fixed virtual anchor length calculation for buried pipe.
Added fiberglass pipeline stress analysis per ISO 14692.
ISO 14692: Added "Wavistrong" (winding angle 55 and 63) by Future Pipe Industries to material database (read-only).
Added new, more accurate soil springs arrangement model.
Removed bend radius restriction. Bend, elbow, miter bend, forged bend radius: 0.5D...10D; large radius bend: 35D+; prestressed bend: 1000D+.
Added "manufacturer" field to expansion joints database.
Added sorting by various parameters, including manufacturer, to expansion joints database.
Added manufacturer and product selection when choosing joint from database.
Expansion joints database is now read-only.
3D view: Added post-analysis soil spring visibility. Enable in 3D view settings.
3D view: Improved rotation for very long pipes.
3D view: Added rotation center point visibility during rotation.
3D view: Added graphics export to JPG, PNG, TIFF.
3D view: Added resting support and spring stand size adjustment in 3D view settings.
Independent piping: Added node coordinate visibility in node properties.
Independent piping: Added coordinate center point visibility in 3D view.
Independent piping: Added base node visibility in 3D view.
Independent piping: Added independent node insertion outside existing piping.
Independent piping: Added coordinate setting relative to existing node during paste/insert.
Independent piping: Added "set origin in node" function.
Added "Belman" axial expansion joints for district heating networks to database.
Implemented analysis of multiple independent pipelines in one file.
Added paste function for independent pipelines.
Added rotational and linear support movement input in single node.
Updated test state analysis. Branch bending now calculated at test temperature/pressure, not cold mode.
Redesigned Word export. Tables aligned to sheet width; text fits cells.
Added node name export to DXF.
Added optional void factor, soil particle weight, and axial resistance factor omission in soils database.
Updated flange leakage analysis. Provides minimum allowable pressure for flanges (considering diameter/temperature), not nominal pressure. Manually select nominal flange pressure based on these.
Optimized graphics memory usage.
Start-Elements: Fixed buried loop analysis.
Fixed minor bugs.
Added analysis per Chinese standard CJJ/T 81-2013 for district heating networks
Added Chinese standard GB 10182-88 to the spring database and enabled variable spring hanger selection per GB 10182-88
Added Chinese metals from CJJ/T 81-2013 to the materials database
Added insulation weight calculation based on Chinese standards and HTN manufacturer data per CJJ/T 81-2013
Added supplemental local pipe wall stability analysis per EN 18941-2003 in addition to CJJ/T 81-2013
Start-Elements: Added relative displacement analysis for single-use compensators per GOST R 55596-2013
Start-Elements: Adjusted support span analysis per GOST R 55596-2013
Added analysis capability for single-directional guides on pipe elements inclined up to 18° from horizontal. Friction field remains horizontal
Added analysis capability for double-acting guides on pipe elements at any inclination, including vertical. Friction field acts along the pipe axis
Added automatic flange leak resistance check using simplified methodology
Added new element type: slip joint
Start-Elements: Added stability analysis for above-ground pipelines on resting supports, with configurable guide spacing
Start-Elements: Enhanced pipe wall stability analysis under soil pressure for buried valves
Pressure analysis for forged tees now uses internal neck radius instead of external
Fixed minor bugs
Added Start-PDMS-B for working with AVEVA PDMS data
Completely redesigned 3D view
Added button to access spring database from variable spring support and hanger settings
Added "Other" category for spring standards
Added user-defined load capacity input for custom springs
Added density parameter to materials database
Added automatic pipe weight calculation based on material density
Added 1.6 minimum gap restriction for custom restraints. This restriction remains for guiding supports
Improved iteration convergence for single-directional restraints. Displays "allowed support subsidence is considered" when amplification algorithm is used (notification only)
START-PROF interface layout now saves only when using "View - Save current environment"
Start-Elements: Added option to disable minimum wall and element thickness restriction
Fixed list generation for reducing tees in "Create list of pipe elements"
Added Windows 8 support
Added ability to select WITZENMANN constant spring supports and hangers
Added uniform product weight and density for large-radius bends and branches
Enhanced depth accuracy control for buried elastic bends
Refined iteration algorithm for single-directional restraints. Improved convergence reduces frequency of "insufficient support load" warnings
Added node sorting capability when exporting to Microsoft Word
Start-Elements: Implemented analysis for pump loads
Added WITZENMANN springs to the springs database. Implemented algorithms for selecting and tightening WITZENMANN springs
Disabled selection of variable spring supports in PDKON state
Added restriction for soil codes and other properties on pipe elements adjoining bends
Added ability to open and save open-format files using "File-Open" and "File-Save as..."
Added bookmarks with adjustable display and docking
Added product density input and automatic uniform product weight analysis in pipe properties
Increased maximum wall thickness from 99mm to 210mm
Added automatic removal of incorrect elements (zero distance, duplicates, etc.) prior to analysis
Start-Elements: Added branch stress consideration in gauge analysis of U-, L-, and Z-shaped pipes
Added standard WITZENMANN axial, angular, and lateral expansion joint properties to the expansion joints database
Improved input dialogs for custom restraints and custom expansion joints. Friction restraints are now set automatically
Gaps can now be specified for guiding supports
Changed guiding support analysis: 1 - Friction is considered along the vertical plane of lateral supports and the horizontal support plane; 2 - Lateral restraints and friction remain active when vertical restraints are disabled. For backward compatibility with START-PROF 4.66 and earlier, guiding supports can be automatically converted to custom restraints. This change is not reversible.
Added ability to input restraints with gaps for custom restraints
Added pipe element names. More...
Switched to Unicode. START-PROF now displays correctly on Russian versions of Windows
Added "support loads for piping axis" table, displaying loads along, perpendicular to the piping axis, and vertical loads. Includes automatic consideration of 0.8 load ratio for intermediate supports per section 8.44 of SNIP 2.05.06-85
Added "double-acting intermediate support loads" table
Added "laying type" (buried, above-ground, "node") to project tree
Added export to BMP function with user-defined resolution
Added restriction that materials database can only be edited when stress units are set to MPa
Improved zoom function. A rectangle of any aspect ratio can be selected
Added settings for font size variation factor when printing. More...
Added ability to specify location of temporary and empty files. More...
Added ability to input ballasting weights for transmission pipeline ballasting analysis
Implemented analysis of pipeline floatation in flooded soil (e.g., swamp)
Added ability to consider vehicle load on buried pipelines in Start-Elements
Added ability to select pressure load safety factor: 1.1 or 1.15 per table 13 (previously fixed at 1.1)
Added analysis of circumferential pressure stress to prevent plastic deformation in buried and above-ground pipelines per section 8.26 (30)
Buried pipeline stress analysis now automatically uses standard loads per section 8.26 formula (29)
Tee and branch stress analysis now automatically uses standard loads with yield limit set as resistance per section 8.64
Equivalent fiber stress now differs for compressed and tensioned cross-sections
Pipe and fittings weight is now included for buried pipelines
Implemented analysis of buried sliding and guiding supports
Start-Elements: Added ability to input expansion joint dimensions considering axial load restrictions on lateral supports
When "set in test state" is selected for custom restraints, variable spring supports transform to single-directional restraints (vs. double-acting in prior versions)
Added ability to input effective area and analyze pressure thrust force for custom expansion joints
Automatic end analysis now accounts for nonlinear effects when selecting variable spring supports and hangers in cold mode. No additional manual analysis required. More...
Added ability to work with pipelines containing multiple independent pipe elements. More...
Added ability to highlight a closed circuit when a disconnect is detected for easier problem identification
Added "check rotational displacements" option for axial expansion joints
Added databases for axial, single-use, rotational, and lateral expansion joints
Changed distortion restrictions for axial expansion joints
Added "as in Autocad" rotation function: Shift + mouse wheel press and rotate
Added restriction: average and residual factors for pipes adjoining tees must be consistently set or not set
Added restriction: friction factors in custom restraint friction restraints must be identical
Added ability to simultaneously delete multiple selected pipe elements
Implemented START-PROF update capability. Prior versions no longer need deletion before installation
Implemented installation using ActiveDirectory, enabling remote installation on multiple platforms
Added automatic allowable load analysis for supports and equipment. Displays warning if exceeded
Added ability to switch between two iteration formulas for pipelines with single-directional restraints and friction. More...
Added automatic placement of caps on all end nodes. More...
Added option to toggle wall thickness comparison with minimum allowable value in Start-Elements. More...
Added automatic replacement of selected variable spring supports with custom restraints. More...
Added warning after spring selection if the number of spring chains exceeds the input value
Improved iteration formulas for pipelines with single-directional restraints and friction
Material and soil properties are now saved in "ctp" files. When opening a file, a dialog offers to add new elements to the database. If properties differ, options include: update database, add as new, or use database properties.
Material and soil properties used in analysis are now saved in open format files
For easier input of transmission pipeline elements (using plan and profile data), implemented input of dimensions in "cylindrical" coordinates. Dimensions are set as XY plane projection, Z-axis projection, and two angles between XY projection and X/Y axes.
Added automatic comma-to-period replacement in text fields. Data can be entered using number pad with Russian keyboard setting
Added display function for project tree
Added ability to automatically insert U-shaped expansion joints in one node
Added ability to determine element wall thickness under vacuum in Start-Elements
Added bending stress from pipe cross-section ovalization under soil pressure in the analysis of single-use compensators in Start-Elements
Added warning for non-compliance with standards
Added ability to insert double-acting guides and other restraints at nodes connecting buried and above-ground pipeline elements
Updated tee weight analysis: Added "header length" for welded and extruded tees. Straight header pipe element weight is deducted from input tee weight.
Updated valve weight analysis: Weight of straight pipes equal to valve length is automatically deducted from input valve weight.
Added option to fix all springs in custom restraints during test state analysis
Disabled rounding of wall thickness and corrosion allowance when saving
Successfully tested software in Windows 7
Added ability to insert and move intermediate nodes in branches
Added ability to automatically analyze tee weight. More...
Added new "cylindrical" rotation option in 3D view. More...
Added ability to view pipe laying depth, water height, and subsidence (displayed as lines above each pipe element) in 3D. More...
Improved properties menu. During automatic pipe and product weight recalculation by density, weight is calculated independently for each element.
Added option to synchronize 3D view and output 3D view
Added bend analysis options for PEX crosslinked polyethylene and corrugated steel (ISOPROFLEX, ISOPROFLEX-A, KASAFLEX)
Added PPM insulation: Added to insulation weight database, added PPM insulation stress analysis, added PPM insulation consideration in buried pipeline forces analysis
Added LISEGA springs to springs database. Implemented LISEGA spring selection and tightening
Added ability to input three projections for pre-tightening in custom restraints, necessary for horizontal and inclined LISEGA variable spring supports
Added new standard support: "double-acting guide". Unlike single-directional guides, double-acting guides restrict upward displacements.
Deformed shapes now account for uniform load on pipe elements
Displacements table now displays displacements in branches
Added spring allowable load conditions analysis, where properties are manually input
Added ability to input flange pairs
Added new restraint: Marker, used to improve analysis accuracy in certain cases
Displacements table is now always generated for all nodes. No selection required.
Added "loads and displacements in restraints" table to analysis output.
Improved properties menu. Added cell displaying multiple properties (e.g., "219X6" for diameter 219 and wall thickness 6). Added ability to automatically change properties for a category of selected pipe elements, as an alternative to "copy pipe element properties". More...
Improved buried pipeline analysis methods. Added "unit weight of solid" property in soils database
Added display of displacements in work, cold, and present state in the displacement window
When using a network key, any number of software copies can now run on local workstations using a single network license
Added ability to input node names, displayed in all output tables and 3D view
Added search nodes by name function
Added input node numbers function
Added change angle between pipe elements function
Added options to automatically delete and copy properties of selected springs in variable spring support properties
For long radius bends and prestressed bends, added ability to split, insert, move and delete nodes. More...
Improved elements, fittings and supports tree. Fitting and support types are now displayed.
Added measurement units: kN, kN*m, kgf*m, N*cm, cm^4
Added ability to delete a selected category of supports or fittings
Added ability to copy fittings data between START-PROF and Start-Elements. More....
Added content to electronic help
Fixed minor bugs
Added autosave
Improved analysis accuracy for extended above-ground pipelines without intermediate anchors
Improved soil analysis for inclined pipe elements, including vertical. More...
Updated analysis of stub-ins with different branch and header materials
Set stricter restrictions on input and output data (added spring allowable load conditions analysis, etc.)
Fixed bug with displaying cycle number in the stress table
Made changes to insulation weight database
Updated display of temperature history when temperature range is negative
Additional node loads at nodes with anchors are now calculated during support loads analysis
Additional loads at nodes with anchors are now calculated during restraint and equipment loads analysis.
Support span is now calculated separately by strength and allowable sagging in Start-Elements
Added automatic consideration of Bourdon effect in branches. Affects support and equipment loads, and node displacement when branch ovalization factor exceeds 0%.
Added automatic consideration of pendulum effect in variable spring hangers (rod displacement from vertical). START-PROF 4.60 and lower files set rod length to 0 by default (pendulum effect not considered).
Added automatic consideration of friction in variable spring supports. START-PROF 4.60 and lower files set friction factor to 0 by default (friction not considered).
Added new element: cap. Enables more accurate modeling of internal pressure thrust loads on supports and equipment connections. START-PROF 4.60 and lower files automatically place caps on all free end nodes. See pressure thrust force and Bourdon effect.
All branches are now analyzed for bending and internal pressure. Branch types changed from "bend", "flange", "welded" to "elbow", "bend", "miter", "extruded". Added new branch properties (number of miter joints, weld quality factor, flange presence, weld position). START-PROF 4.60 and lower files: Branches with radius <2D and flanged branches use bends; radius >2D changed to bends; welded branches replaced by miter branches with automatically determined joint count for 22.5° or 15° skew angle. Review and edit outdated files if necessary.
Total allowance changed to two parameters for all pipes and fittings: "corrosion allowance" and "mill tolerance". START-PROF 4.60 and lower files automatically set mill tolerance to 10% of wall thickness, with the remainder as corrosion allowance. Combined mill and corrosion tolerance equals total allowance. Review and edit outdated files if necessary.
Added pressure analysis for miter and extruded branches per RD 10-249-98 in Start-Elements and Start-Base
Changed restrictions for axial expansion joint skew. Equivalent axial displacement from rotational deformation cannot exceed 5% of allowable axial movement.
Loosened restriction for pipeline turning point angles with large radius bends (0.07°)
Improved single-use compensator analysis in Start-Elements
Longitudinal weld quality factor for fabricated tees and stub-ins now defaults to 1
Added wall thickness pressure analysis in Start-Elements: Expansion joint and pipe analysis
Tested for Windows Vista
Added ability to sort element list by any parameter by clicking the column heading
Selecting a row in the element list highlights the corresponding element in 3D view
Reduced element list table width
Improved stress output menu for fittings. Added forces for all adjoining elements and improved organization.
3D view zoom can now be controlled with the mouse wheel
Added project tree. Elements can be selected by property (pressure, temperature, wall thickness, etc.)
Added ability to input service life in hours in Project Settings
Branch dimensions are automatically determined by adjoining elements for extruded tees
Added ability to edit type for a category of fittings. For example, change all forged tees of a type to stub-ins.
Added ability to copy and paste node fittings from context menu
Improved rotation
Improved insert node function
Improved move node function
Friction factor in all restraints can now range from 0.05 to 0.4
Standard guiding supports can now be placed on elements with a 0.02 incline
Set stricter restrictions on input data
Added collision restriction for inserting new elements. Creating closed contours is more user-friendly. Overlap presents option to insert a new node.
Added ability to copy tees and branches from Start-Elements to nodes in START-PROF
Added ability to display deformed shape of piping from input loads and forces. Changes between test, work, and cold modes can be viewed as animation.
Added detailed context help. Includes answers to FAQs and theoretical background. Search function available.
Removed node number restriction. Now supports up to 32,000 nodes.
Removed all restrictions on the number of materials, end nodes, cross-sections, branch types, soils, etc.
Removed restriction requiring at least one anchor
Improved analyses for faster START-PROF performance
Added buried bend stability analysis in Start-Elements
Implemented adjusted analysis methods for distance between Single-Use Compensators in Start-Elements. Distances are now larger.
Changed tee stress analysis methods: Forces and stress are calculated at the branch-header connection point, not the axis intersection.
Added consideration of soil subsidence for buried pipelines
Added ability to set support displacement independently of adjoining equipment in test and operating modes (e.g., support or equipment subsidence).
Added allowable deformation and skew restrictions for axial, rotational, and lateral expansion joints
Added ability to display specifications for all elements and fittings
Added 4 new insulation types for heating networks to the insulation database: mineral wool with asbestos-cement plaster and fibreglass.
Improved input restrictions
Added restriction on proximity of single-directional restraints to other restraints
Added restrictions on branch weight, allowable support displacement, etc.
Added warnings and error messages
Improved interface for greater user-friendliness
Improved menu display, pictograms, etc.
Added "errors and warnings" window for input data analysis and output. Clicking a message selects the element/node; double-clicking opens properties or results.
Added ability to copy and paste between START-PROF windows
Added ability to insert fittings and supports into a selected group of nodes
Added tabbed view
Added option: "always calculate displacement in nodes" in properties
"Apply" button added to element properties menus
Added ability to set save preferences
Added ability to calculate distance between nodes
Branch weight is now automatically calculated and viewable in branch properties
Improved setting of rotation center
Added ability to rotate around a selected point
Displacement, expansion joint deformation, and support load tables can now be printed in global or local and global coordinates
Improved stress analysis methods for tees and branches in high-stress process piping.
Various mechanical properties are considered for stress analysis of seamless and welded pipes and fittings.
Added recommendations for stress and local stability analyses of pipelines under external overpressure (vacuum pipelines).
Improved stress analysis for gas and oil transmission pipelines
Adjusted overpressure stress analysis of piping elements
For PUR-insulated pipelines, added insulation stress analysis
Improved stress output table
Changed allowable stress for buried pipelines
Added ability to analyze stability of buried bends
Made changes to the materials database
Improved interface
Improved toolbars, menus, etc.
More user-friendly input and output due to ability to switch between global and local coordinates
Fixed minor bugs
Changed guiding support behavior. When single-directional vertical restraints are disabled, lateral restraints automatically switch off.
Implemented dual monitor support
Added pad thickness and width restrictions for tees
Adjusted stress analysis methods for tees and branches in district heating networks. Reduced safety margins for static stress and fatigue failure analyses, allowing thinner branches and tees.
Added Start-Pro (in addition to Start-Lite), removing element number restrictions. Especially applicable for large buried heating networks.
Implemented analysis of buried transmission pipelines and heating networks with large radius branches and bends
Added ability to wedge or not wedge variable spring supports in test state (previously wedged automatically).
Nodes with deformation and additional loads are now marked in 3D view. Made changes to the materials database, allowing analysis adjustment per appropriate standards.
Unified Start-Elements and Start-Express interfaces
Reformatted and corrected materials database
Implemented new weight analysis in operating mode
Adjusted PUR-insulation stress analysis
Added insulation to databases. Includes weights for common insulation types for pipelines with diameters from 50 to 1000mm. To set insulation weight, press "..." and select insulation type. Previously input manually. Database is open and editable.
Adjusted soil interaction for buried pipelines
Trench width input removed
Reduced stress from soil weight due to reduced safety margins
Added insulation stress analysis for buried pipelines with PUR-insulation, where stress is from soil pressure.
Network version of START-PROF can now be installed
Added Start-PDMS for importing data from PDMS to START-PROF
Added casing thickness and removed trench width in Start-Open format
Improved interface
Standard-compliant comments added to output table
Added "Comments" field to Stress output table
In Start-Elements, made significant adjustments to Expansion joint and pipe analysis for buried and above-ground pipelines.
In Start-Elements, made adjustments to stub-in analysis for buried and above-ground pipelines.
Adjusted analyses in Start-Base and Start-Elements
Added bending stress analysis for tees and branches
Added analysis of interaction with soil for pipes with industrial polyurethane insulation
Added non-parallel shoulders for analyses of buried U and Z-shaped elements
Added Start-Nozzle to Start-Elements, enabling flexibility analysis of piping stub-ins into vessels and equipment per WRC-297 and BS-5500.
Improved 3D view, added dynamic rotation, move, and zoom
Added Start-Word for exporting from START-PROF to Microsoft Word
Changed analysis methods for buried pipelines with Single-Use Compensators
Changed database structure (input and editing can now be done in ACCESS)
Accounted for increased flexibility of non-uniform strength tees
Implemented Start-PCF, allowing import of ISOGEN 3D piping models into START-PROF (including PLANT4D and PlantSpace Design Series)
Included new installation package
Automatic stress analysis for buried heat networks with single-use compensators. Added interface changes.
Released first version of START-PROF 4.00 for Windows 95/98
Released START, START-P (buried pipeline analysis)
Released START for MS-DOS
Released ST-01 for ES-1040 PC
Released ST-01
Released ST-1 and ST-1M
Released ST-01