Lower-bound limit analysis by using the EFG method and non-linear programming

2008 ◽  
Vol 74 (3) ◽  
pp. 391-415 ◽  
Author(s):  
Shenshen Chen ◽  
Yinghua Liu ◽  
Zhangzhi Cen
Keyword(s):  
Linear Programming ◽  
Lower Bound ◽  
Limit Analysis ◽  
Non Linear Programming ◽  
Non Linear ◽  
Lower Bound Limit Analysis

A lower-bound limit pressure analysis for the oblique intersection of a flush cylindrical nozzle and the torus of a cylindrical vessel with a torispherical end

1974 ◽  
Vol 9 (4) ◽  
pp. 247-262 ◽  
Author(s):  
K S Dinno ◽  
S S Gill
Keyword(s):  
Linear Programming ◽  
Lower Bound ◽  
Independent Set ◽  
Cylindrical Vessel ◽  
Linear Programming Method ◽  
Non Linear Programming ◽  
Cylindrical Nozzle ◽  
Limit Pressure ◽  
Lower Bound Limit Analysis ◽  
Pressure Analysis

A lower-bound limit analysis is presented for the calculation of the limit pressure for the oblique intersection of a flush cylindrical nozzle and the torus of a cylindrical vessel with a torispherical end. A rotationally asymmetric formulation of stress resultants is specified in assumed plastic regions in terms of an independent set of variables and the limit pressure is computed for a limited number of geometric parameters by a non-linear programming method.

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