Modelos mistos de elementos finitos para análise de grandes deformações

In the present work finite elasticity problems are studied through the use of an isoparametric rnixed elernent in wich stresses and displacements are approximated by the same interpolation functions. This finite element model is derived from a Reissner-type incremental variational principle based on an incremental potential energy principle. A total Lagrangian formulation is used to analyse axisymmetric solids, plane stress and plane strain problems. Two types of solution are available: a purely incremental solution and an incremental scheme with equilibrium checking. Constitutive equations for elastic and incompressible Mooney-Rivlin type materials are considered. Some results are presented and compared with other solutions.

Grantor dc:publisher

Universidade Federal do Rio de Janeiro

Year dc:date.issued

1980

Author dc:creator

• Toledo, Elson Magalhães

Advisor dc:contributor.advisor

• Ebecken, Nelson Francisco Favilla

• Engenharia Civil

Statement dc:rights

• Acesso Aberto

Language dc:language

por

Handle dc:identifier.uri

http://hdl.handle.net/11422/2988

OAI identifier oai:identifier

oai:pantheon.ufrj.br:11422/2988