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考虑损伤效应的正交各向异性板的弹塑性静动力分析
  • 期刊名称：应用力学学报
  • 时间：0
  • 页码：541-546
  • 语言：中文
  • 分类：O344[理学—固体力学;理学—力学]
  • 作者机构：[1]湖南大学,长沙410082
  • 相关基金：国家自然科学基金（10572049）
  • 相关项目：具损伤压电弹塑性层合结构的非线性振动及其主动控制
作者： 傅衣铭，田燕萍|
关键词： 正交各向异性板, 弹塑性损伤, 混合硬化, 增量理论, 静动力分析
中文摘要：

基于弹塑性力学和损伤理论，建立了一个与应力球张量有关的正交各向异性材料的混合硬化屈服准则，该准则无量纲化后与各向同性材料的Mises准则同构，进而建立了混合硬化正交各向异性材料的增量型弹塑性损伤本构方程和损伤演化方程。基于经典Kirchhoff板理论，获得了正交各向异性薄板的增量型运动控制方程，且采用有限差分法和迭代法进行求解。数值算例中，讨论了损伤演化、外载荷参数等因素对正交各向异性薄板弹塑性静动力性质的影响，数值结果表明，考虑结构的损伤和损伤演化时，结构的力学性质将发生显著的变化。

同期刊论文项目
具损伤压电弹塑性层合结构的非线性振动及其主动控制
期刊论文 31 著作 1
具损伤压电层合结构的非线性动力响应及疲劳破坏研究
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