张春元;刘涛;原梅妮;

• 1:中北大学机电工程学院

摘要(Abstract)：

基于正交各向异性复合材料模型,通过施加合理的速度/固定边界条件建立带预应力的凯夫拉纤维增强复合材料层合板弹道冲击数值计算模型。通过试验结果与理论计算对比,验证和评估复合靶板数值模型的有效性及其弹道预测能力。在此基础上,研究不同预应力条件下复合靶板的弹道极限响应。结果表明:复合靶板弹道极限随预应力水平的增加呈"下降→增加→下降"的趋势。在低预应力水平下,复合靶板主要以面外分层损伤为主;在中等预应力水平下,复合靶板以面内拉伸损伤为主;在高预应力水平下,复合靶板出现体积损伤。

关键词(KeyWords)： 复合材料;预应力;弹道极限;损伤模式;数值模拟

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51201155);; 山西省自然科学基金(2012011019-1;2012011007-1)

作者(Author): 张春元;刘涛;原梅妮;

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DOI:

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