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本构模型对复合材料中X射线热击波数值模拟结果的影响

黄霞 汤文辉 蒋邦海

爆炸与冲击2011,Vol.31Issue(6):600-605,6.
爆炸与冲击2011,Vol.31Issue(6):600-605,6.

本构模型对复合材料中X射线热击波数值模拟结果的影响

Influences of constitutive models on numerically simulated results of X-ray thermal shock waves in composite materials

黄霞 1汤文辉 1蒋邦海1

作者信息

  • 1. 国防科技大学理学院技术物理研究所,湖南长沙410073
  • 折叠

摘要

Abstract

The one-dimensional thermal shock wave in a carbon-phenolic composite was taken for an example to discuss the influences of constitutive models on numerically simulated results of X-ray thermal shock waves in composite materials. The corresponding numerical simulations were performed by adopting three different constitutive models. The simulated results reveal that the peak stress acquired by the anisotropic dynamic elasto-plastic constitutive model is lower, its attenuation is faster and it is be closer to the experimental result than those obtained by the ideal isotropic elasto-plastic model and the ideal anisotropic elasto-plastic model, respectively.

关键词

固体力学/本构模型/各向异性/热击波

Key words

solid mechanics/ constitutitive model/ anisotropic/ thermal shock wave

分类

数理科学

引用本文复制引用

黄霞,汤文辉,蒋邦海..本构模型对复合材料中X射线热击波数值模拟结果的影响[J].爆炸与冲击,2011,31(6):600-605,6.

基金项目

国家自然科学基金项目(11072262) (11072262)

爆炸与冲击

OA北大核心CSCDCSTPCD

1001-1455

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