An adaptive shell element for explicit dynamic analysis of failure in laminated composites Part 1: Adaptive kinematics and numerical implementation
Engineering Fracture Mechanics(2020)
摘要
•Adaptive refinement technique for analysis of progressive failure in laminates.•Shell element refined with arbitrary number of weak and strong discontinuities.•Implementation in commercial explicit dynamic solver LS-DYNA.•Stabilisation of unphysical oscillations from refining in dynamic solver.
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关键词
Adaptivity,Shell elements,Crash simulations,Composites,LS-DYNA
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