Numerical Implementation of Nonlocal Elastoplastic Damage Theory

by H. Murakami, Univ of California at San Diego, La Jolla, United States,
H. E. Read, Univ of California at San Diego, La Jolla, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

A nonlocal elastoplastic damage theory recently proposed by Valanis (1992) is implemented into a finite element wave code. The model retains hyperbolicity even under strain softening, thus eliminating mesh-sensitivity. Convergence and mesh insensitivity are demonstrated numerically by solving the problem considered by Sandler and Wright (1984).

Subject Headings: Finite element method | Elastoplasticity | Strain hardening and softening | Strain | Numerical methods | Standards and codes | Mathematics

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