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XFEM Simulation of Fatigue Crack Propagation in Peizoelectric Materials

G. Pamnani,S. Bhattacharya,S. Sanyal

semanticscholar（2015）

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Abstract
(In this paper crack propagation under combined fa tigue loading (mechanical and electrical) has been analyzed in a piezoelectric material (PZT4). XFEM ( extended finite element method) together with level set method has been used for enrichment and solving the problem. Problems of edge crack and centre cracks in a rectangular plate have been considered. Interaction integral approach has been applied to determine st ress intensity factor and the crack propagation criteria is checked to predict propagation and failure
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