Elastic-plastic analysis of annular disks with nonlinear strain-hardening under external pressure

2005 ◽  
Vol 85 (3) ◽  
pp. 202-210 ◽  
Author(s):  
X.Y. You ◽  
L.H. You ◽  
J.J. Zhang
Keyword(s):  
Strain Hardening ◽  
External Pressure ◽  
Nonlinear Strain ◽  
Elastic Plastic ◽  
Plastic Analysis ◽  
Annular Disks

An Approximate Model for an Elastic-Plastic Pipe Element Under Combined Loading

1975 ◽  
Vol 97 (1) ◽  
pp. 22-28 ◽  
Author(s):  
L. D. Larson ◽  
W. F. Stokey ◽  
W. E. Franzen
Keyword(s):  
Strain Hardening ◽  
Axial Load ◽  
Analytical Approach ◽  
Limit Load ◽  
Approximate Model ◽  
Experimental Results ◽  
Combined Loading ◽  
Elastic Plastic ◽  
Plastic Pipe ◽  
Plastic Analysis

An approximate model for the elastic-plastic analysis of a pipe element under combined loading is developed. The model is obtained by generalizing a limit load solution for combined pressure, bending, torsion and axial load to include strain hardening. For various combinations of loading of tubes, curvatures and twist angles are predicted and compared with experimental results and those predicted by a more rigorous analytical approach. The comparison shows that good results are obtained from the approximate model.

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