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PASS/NOZZLE-FEM 3.5. Program Manual | |
Table 3.6 shows key features of the base element (shell).
| Table 3.6 | |
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| Feature | Description |
| Reference points: | A: shell start; B: shell end; |
| Local shell coordinate system (LCS): | Axis X: shell transverse axis; Axis Y: shell transverse axis; angle θ of nozzle insertion is taken from this axis toward axis X; Axis Z: shell longitudinal axis. |
| Orientation in WCS: | Axis Z is vertical. Axis X and Y are located in horizontal plane. |
| Shell constraints (dof): | Point A. All calculations by the finite element method (FEM) fix only bottom end. |
| Additional information: | Base element models shell plates of lowest shell course. Its top (B) is free from fixing and does not have a top cap. |
| Shell loads: | Inner overpressure. Outer pressure. Hydrostatic pressure. Thermal strains. |
PASS/NOZZLE-FEM 3.5. Program Manual
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