期刊
ENGINEERING COMPUTATIONS
卷 18, 期 1-2, 页码 241-254出版社
MCB U P LIMITED
DOI: 10.1108/02644400110365897
关键词
crack propagation; discontinuities; strain
The formulation of finite elements with incompatible discontinuous modes is examined rigorously. Both weak and strong discontinuities are considered. Starting from a careful elaboration of the kinematics for both types of discontinuities a comprehensive finite element formulation is derived based on a three-field variational statement. Similarities and differences are highlighted between the various formulations which ensue.
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