玻璃纤维平纹编织层合板面内剪切渐进失效分析
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V258

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航空科学基金(20160937002);天津市科技计划项目(20YDTPJC00380)


Progressive failure analysis of in-plane shear of glass fiber plain woven laminates
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    摘要:

    为研究玻璃纤维平纹编织层合板面内剪切性能,建立其面内剪切渐进失效分析模型。基于Ramberg-Osgood方程建立考虑面内剪切的非线性本构模型,编写VUMAT子程序,设置Hashin失效准则和刚度退化准则,采用ABAQUS/Explicit求解器对玻璃纤维平纹编织层合板的面内剪切过程进行模拟。研究表明:建立的非线性模型能够很好的描述面内剪切非线性;面内剪切过程中,首先发生纤维-基体的剪切失效,然后是经纬向纤维的拉伸失效,最后是经纬向纤维的压缩失效;预测得到的面内剪切强度、初始剪切模量、位移载荷曲线和失效模式与试验结果吻合,证明所建立模型的有效性。

    Abstract:

    In order to study the in-plane shear properties of glass fiber plain weave laminates, an in-plane shear progressive failure analysis model was established. Based on Ramberg-Osgood equation, a nonlinear constitutive model was developed to describe in-plane shear. VUMAT subroutine was written to set Hashin failure criterion and stiffness degradation criterion. The in-plane shear process of glass fiber plain woven laminates was simulated by ABAQUS / explicit solver. The results show that the nonlinear model can well describe the nonlinearity of in-plane shear; in the process of in-plane shear, the shear failure of fiber matrix occurs first, then the tensile failure of warp and weft fibers, and finally the compression failure of warp and weft fibers; the predicted in-plane shear strength, initial shear modulus, displacement-load curve and failure mode are consistent with the experimental results, which proves the effectiveness of the progressive failure analysis model.

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王轩,石强斌,高俊福. 玻璃纤维平纹编织层合板面内剪切渐进失效分析[J]. 科学技术与工程, 2023, 23(6): 2656-2663.
Wang Xuan, Shi Qiangbin, Gao Junfu. Progressive failure analysis of in-plane shear of glass fiber plain woven laminates[J]. Science Technology and Engineering,2023,23(6):2656-2663.

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历史
  • 收稿日期:2022-05-01
  • 最后修改日期:2022-12-07
  • 录用日期:2022-11-06
  • 在线发布日期: 2023-03-22
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