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A combined implicit-explicit algorithm in time for non-linear finite element analysis
Curiel Sosa, José Luis; de Souza Neto, E.; Owen, D. R. J.
An algorithm combining the numerical execution in time of implicit and explicit methods of solution is presented in this paper. The algorithm swaps between both methods as required for the analysis. The whole mesh is solved for an unique method at once, i.e. there are no partitions of the mesh for separate implicit or explicit treatment of the solution. The combination is in-time, in such a manner that if the implicit method starts diverging the explicit one is initiated by appropriate conditions of transition. The formulation is presented first and its implementation is validated by the analysis of a key numerical example.
Peer Reviewed
Àrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica::Mètodes en elements finits
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials::Assaigs estructurals
Finite element method
Surfaces, Deformation of
explicit–implicit
non-linear
finite element
large deformation
buckling
contact
Superfícies -- Deformació
Elements finits, Mètode dels
info:eu-repo/semantics/submittedVersion
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