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Type: Artigo de periódico
Title: Topological sensitivity analysis in large deformation problems
Author: Pereira, CEL
Bittencourt, ML
Abstract: The aim of the present work is to apply the topological sensitivity analysis (TSA) to large-deformation elasticity based on the total Lagrangian formulation. The TSA results in a scalar function, denominated topological derivative, that gives for each point of the domain the sensitivity of a given cost function when a small hole is created. An approximated expression for the topological derivative is obtained by numerical asymptotic analysis. Numerical results of the presented approach are considered for elastic plane problems.
Subject: Topological optimization
Finite element method
Linear and nonlinear elasticity
Sensitivity analysis
Topological derivative
Country: EUA
Editor: Springer
Rights: fechado
Identifier DOI: 10.1007/s00158-007-0223-2
Date Issue: 2008
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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