Finite Deformation Analysis by Using Natural Strain

Abstract

In this paper, the research of the plastic behavior is done by paying attention to the shear deformation under large deformation, not only the direction of principal axis simply rotates in the space but also the replacement of the line element of principal axis occurs together with the progress of deformation. Then, the relation between isotropic and kinematic hardening is being examined experimentally, and the rationality of the Natural Strain theory is verified to the given problem.