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Lower bound shakedown analysis by the symmetric Galerkin boundary element method

โœ Scribed by Y.H. Liu; X.F. Zhang; Z.Z. Cen


Book ID
108147272
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
330 KB
Volume
21
Category
Article
ISSN
0749-6419

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A solution procedure for lower bound limit analysis is presented making use of the Symmetric Galerkin Boundary Element Method (SGBEM) rather than of finite element method. The self-equilibrium stress fields are expressed by linear combination of several basic self-equilibrium stress fields with para

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a b s t r a c t Shakedown analysis is a powerful tool for assessing the safety of structures under variable repeated loads. By using the element free Galerkin (EFG) method and non-linear programming, a novel numerical solution procedure is developed to perform lower bound shakedown analysis of struc