Calculation of the stresses in spherical shell

according to PD 5500:2003, Annex B


Attention!

This calculation is only a simplified estimation, and does not replace a detailed design calculation.


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Geometric data
 Name   Value   Unit 
Outer diameter Do mm
Opening angle ψ °
Wall thickness s mm
Fabrication tolerance inside c1i mm
Fabrication tolerance outside c1o mm
Sketch:

Loadings:
Name Load case 1 Load case 2 Load case 3 Load case 4 Load case 5 Load case 6  Unit 
Load case description  
Wear supplement inside c2i mm
Wear supplement outside c2o mm
Inside pressure p bar
Bending moment Mx kN·m
Bending moment My kN·m
Torsional moment Mz kN·m
Lengths force Fz kN
Temperature T °C

Variants of superposition:
Load cases Variant 1 Variant 2 Variant 3 Variant 4 Variant 5 Variant 6







Variant description
Temperature Tmax
Allowable stress, N/mm²