Experimental and numerical analysis of filament winding composite shell under low-velocity impact

被引：0

作者：

Liu W.-L. ^{[1
]}

Chang X.-L. ^{[1
]}

Zhang X.-J. ^{[1
]}

Zhang Y.-H. ^{[1
]}

机构：

[1] Department of Power Engineering, Rocket Force University of Engineering, Xi'an

来源：

Tuijin Jishu/Journal of Propulsion Technology | 2017年 / 38卷 / 01期

关键词：

Damage model; Filament winding composite; Impact analysis; Low-velocity impact;

D O I：

10.13675/j.cnki.tjjs.2017.01.023

中图分类号：

学科分类号：

摘要：

In order to study the low velocity impact response and damage modes of filament winding composite shell, experimental and numerical methods were performed under different impact energies. An intralamina damage model considered Weibull distribution of the composite strengths was proposed based on continuum damage mechanics. The damage model was implemented in the ABAQUS/Explicit using the subroutine VUMAT and used to simulate the intralamina damage of composite. Meanwhile, the cohesive zone model was used to simulate the interlamina damage. The results indicated that the initial damage was occurred around 1.5kN of the impact force. After this, the impact force increased slowly until the maximum force appeared and sustained for some time. Fiber damage was arisen near 3.5kN of the impact force and the impact force did not increase with energy. The simulation results were comparable with experimental results. So it can be used to investigate the damage mechanics of filament winding composite shell under low-velocity impact. © 2017, Editorial Department of Journal of Propulsion Technology. All right reserved.

引用

页码：172 / 178

页数：6

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