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Symmetric tangential stiffness formulation for non-associated plasticity
Abstract A numerical scheme is proposed in which the response of a material with non-associated flow rule is made equivalent to that of a material with associated flow rule and a modified stress/strain direction dependent hardening/softening rule. The scheme has obvious computational advantage since finite element programs with tangential stiffness formulations can be used without resort to non-symmetric equation solution routines.
Symmetric tangential stiffness formulation for non-associated plasticity
Abstract A numerical scheme is proposed in which the response of a material with non-associated flow rule is made equivalent to that of a material with associated flow rule and a modified stress/strain direction dependent hardening/softening rule. The scheme has obvious computational advantage since finite element programs with tangential stiffness formulations can be used without resort to non-symmetric equation solution routines.
Symmetric tangential stiffness formulation for non-associated plasticity
Pande, G.N. (author) / Pietruszczak, S. (author)
Computers and Geotechnics ; 2 ; 89-99
1986-01-01
11 pages
Article (Journal)
Electronic Resource
English
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