Upper bound limit and shakedown analysis of shells using the exact Ilyushin yield surface
2008; Elsevier BV; Volume: 86; Issue: 17-18 Linguagem: Inglês
10.1016/j.compstruc.2008.02.005
ISSN1879-2243
AutoresThanh Ngọc Trần, R. Kreißig, Duc Khôi Vu, Manfred Staat,
Tópico(s)Topology Optimization in Engineering
ResumoThis paper concerns the development of a kinematic formulation for the finite element limit and shakedown analysis of shells. The technique is based upon an upper bound approach using the re-parameterized exact Ilyushin yield surface and a nonlinear optimization procedure. The solution of the problem is obtained by discretizing the shell into finite elements. Numerical examples are presented to show the validity of the present method.
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