Multiple decomposition in finite deformation theory

Abstract

A strain decomposition method is proposed in finite strain deformation theory. The method is based on the multiplicative decomposition of the deformation gradient with the assumption of intermediate configurations. Kinematically correct additive decomposition of the strain is developed. The strain and stress measures are calculated by way of the dual variables. Geometric linear consitutive models are generalized to finite strain theory. An application and an example are also included for thermoelastoplastic analysis.