Numerical Implementation of Nonlocal Elastoplastic Damage Theoryby 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,
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: Elastoplasticity | Mesh generation | Finite element method | Standards and codes | Strain hardening and softening | Convergence (mathematics)
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