Article ID Journal Published Year Pages File Type
510156 Computers & Structures 2010 12 Pages PDF
Abstract

This article describes the implementation of a finite strain viscous hyper-elastic material law into a finite element code. The material model is made up of a Maxwell element in parallel with a spring. Both springs represent hyper-elastic material behaviour, and compressibility is taken into account. In addition to that, the sensitivity analysis using direct differentiation is described extensively. The implementation is verified by three test cases, uniaxial tension, pure shear and indentation testing. The sensitivity analysis by direct differentiation is validated by comparison against results obtained by a finite difference scheme.

Related Topics
Physical Sciences and Engineering Computer Science Computer Science Applications
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