Impact Analysis of Fiber-reinforced Composites Based on Elasto-plastic Constitutive Law
作者： Ki Ho Joo , Hansun Ryou , Kwansoo Chung , Tae Jin Kang
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摘要: Impact analysis of 3D braided composites and laminated plane woven fabric was performed using the elasto-plastic constitutive law to describe nonlinear, anisotropic asymmetric properties fiber-reinforced composites. As for yield criterion, modified Drucker-Prager criterion utilized represent properties, while hardening described based on kinematic with evolution back-stress. Experiments obtain material parameters proposed were also carried out uni-axial tension compression tests Then, implemented into a finite element code verified by comparing simulation impact experiments. In addition, performance compared each other.
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