Study on three impact damage of composite materials based on prefabricated layered damage method

doi:10.19936/j.cnki.2096-8000.20231128.003

Abstract

Abstract: In ABAQUS/Explicit, a three-dimensional simulation model of three impacts of composite laminates is established. The state variables of the previous impact damage are prefabricated into the next impact model by means of prefabricated layered damage method, and the three-dimensional Hashin criterion and stiffness degradation scheme are programmed into the VUMAT subroutine. The intra-layer damage, inter-layer damage and contact force of laminates during three impact process were analyzed. The results show that the simulation results are in good agreement with the impact test results, and the established model can better react to the damage evolution process under the three impacts of the composite laminate. Compared with the subsequent impact, the maximum contact force of the first impact is the smallest, the shape of the delamination damage is mainly formed by the first damage, and the subsequent impact only increases the damage area of the delamination damage.

Key words: composites, three shocks, prefabricated stratification damage, 3D failure criteria

CLC Number:

TB332

XU Liang, HU Hongming, ZHOU Song, SONG Wanwan. Study on three impact damage of composite materials based on prefabricated layered damage method[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(11): 21-27.

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