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湿/热/力耦合条件下复合材料结构渐进损伤仿真

刘玉佳 燕瑛 何明泽 齐忠新

刘玉佳, 燕瑛, 何明泽, 等 . 湿/热/力耦合条件下复合材料结构渐进损伤仿真[J]. 北京航空航天大学学报, 2012, (3): 384-388,393.
引用本文: 刘玉佳, 燕瑛, 何明泽, 等 . 湿/热/力耦合条件下复合材料结构渐进损伤仿真[J]. 北京航空航天大学学报, 2012, (3): 384-388,393.
Liu Yujia, Yan Ying, He Mingze, et al. Simulation of progressive damage on composite structure under hydro/thermo/mechanical coupled condition[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 384-388,393. (in Chinese)
Citation: Liu Yujia, Yan Ying, He Mingze, et al. Simulation of progressive damage on composite structure under hydro/thermo/mechanical coupled condition[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 384-388,393. (in Chinese)

湿/热/力耦合条件下复合材料结构渐进损伤仿真

基金项目: 国家973计划资助项目(2011CB606105)
详细信息
  • 中图分类号: TB 332

Simulation of progressive damage on composite structure under hydro/thermo/mechanical coupled condition

  • 摘要: 发展了湿/热/静力耦合条件下复合材料结构渐进损伤仿真方法,考虑复合材料力学性能的随机分布特性建立有限元模型,改进了湿热条件下复合材料本构关系,以Hashin准则、最大应力准则作为失效判据,完整仿真了不同湿热条件、不同载荷类型作用下复合材料开孔层合板从损伤起始至最终失效的损伤演化全过程,极限强度预测结果与相应试验结果的误差在10%以内,验证了仿真分析方法的有效性.湿热效应对损伤起始和演化的影响表明:由于湿热条件作用,相对于室温干态而言,复合材料开孔层合板的损伤起始的时间提前、所需载荷降低,极限强度和极限应变减小.

     

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出版历程
  • 收稿日期:  2011-03-01
  • 网络出版日期:  2012-03-30

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