基于Ls-Dyna软件2种材料模型的碳纤维复合材料层合板面内剪切有限元仿真

doi:10.11973/jxgccl202012016

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Abstract The progressive failure model of fiber reinforced plastics and the continuous damage model of composite laminate of the Ls-Dyna software were applied to simulate the mechanical response and damage modes of carbon fiber reinforced plastic laminates under in-plane shear loads, with the mechanical parameters obtained by quasi-static uniaxial tensile and in-plane shear tests. The applicability of the two models was compared. The results show that in the initial linear elastic stage during in-plane shearing, the two models could simulate the mechanical characteristics of the carbon fiber reinforced plastic laminates. As the load continued to increase, the load-displacement simulation curve obtained by the progressive failure model still rose linearly, and dropped rapidly after reaching the load peak; the simulation curve had a large deviation from the test curve. When the material was damaged, because of the introduction of damage parameters, the load-displacement simulation curve obtained by the continuous damage model was nonlinear, which was in good agreement with the test curve.

Key words： carbon fiber reinforced plastic continuous damage model progressive failure model damage parameter

Received: 05 August 2020 Published: 24 December 2020

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	Articles by authors
	MENG Xianming
	ZHONG Zheng
	CHENG Congqian
	CAO Tieshan
	ZHAO Jie
	HUANG Yafeng
	WU Yao

Cite this article:

MENG Xianming,ZHONG Zheng,CHENG Congqian, et al. Finite Element Simulation of In-plane Shear of Carbon Fiber Reinforced Plastic Laminates with Two Material Models of LS-DYNA Software[J]. Materials For Mechanical Engineering, 2020, 44(12): 85-90,96.

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http://qikan.cmes.org/jxgccl/EN/10.11973/jxgccl202012016 OR http://qikan.cmes.org/jxgccl/EN/Y2020/V44/I12/85

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