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PASS/NOZZLE-FEM 3.5. Program Manual | |
In the strength calculation of junction between branch pipes and cylindrical shells the following conditions shall be met:
| $$ \begin{array}{c} 0.0015 \le \frac{s-c}{D+s+c} \le 0.1; \quad 0.01 \le \frac{s_1-c_s}{d+2s_1} \le 0.1; \\ 0.01 \le \frac{d+2s_1}{D+s+c} < 0.6; \quad 0.01 \le \frac{d+2s_1}{D+s+c}\sqrt{\frac{D+s+c}{s-c}} \le 10.0. \end{array} $$ | (5.29) |
In the strength calculation of junction between branch pipes and dished heads:
| $$ \begin{array}{c} 0.0015 \le \frac{s-c}{D+s+c} \le 0.1; \quad 0.01 \le \frac{s_1-c_s}{d+2s_1} \le 0.1; \\ 0.07 \le \frac{d+2s_1}{\sqrt{(D+s+c)(s-c)}} < 4.0; \quad 0.25 \le \frac{s-c}{s_1-c_s} \le 10.0. \end{array} $$ | (5.30) |
In the calculation of stiffness (flexibility) of junction zone on cylindrical shell:
| $$ \begin{array}{c} 0.0015 \le \frac{s}{D+s} \le 0.1; \quad L-(2L_n+d+2s_1) > \frac{D}{2}; \\ \frac{d+2s_1}{D+s} \le 0.4; \quad 0.2 \le \frac{s}{s_1} \le 10.0; \quad 0.01 \le \frac{d+2s_1}{\sqrt{(D+s)s}} \le 10.0. \end{array} $$ | (5.31) |
In the definition of stiffness (flexibility) of junction zone on dished bottoms:
| $$ 0.0015 \le \frac{s}{D+s} \le 0.1; \quad \frac{d+2s_1}{D+s} \le 0.4; \quad 0.07 \le \frac{d+2s_1}{\sqrt{(D+s)s}} \le 4.0. $$ | (5.32) |
PASS/NOZZLE-FEM 3.5. Program Manual
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