王启智, 张财贵, 周妍杨, 井瑞. 用能量图形面积法计算非线性弹性材料任意加载方式的能量释放率[J]. 力学与实践, 2015, 37(2): 245-248,244. DOI: 10.6052/1000-0879-13-531
引用本文: 王启智, 张财贵, 周妍杨, 井瑞. 用能量图形面积法计算非线性弹性材料任意加载方式的能量释放率[J]. 力学与实践, 2015, 37(2): 245-248,244. DOI: 10.6052/1000-0879-13-531
Wang Qizhi, Zhang Caigui, Zhou Yan, et al. An energy graphical area method for energy release rate of nonlinear elastic materials under arbitrary loading conditions[J]. MECHANICS IN ENGINEERING, 2015, 37(2): 245-248,244. DOI: 10.6052/1000-0879-13-531
Citation: Wang Qizhi, Zhang Caigui, Zhou Yan, et al. An energy graphical area method for energy release rate of nonlinear elastic materials under arbitrary loading conditions[J]. MECHANICS IN ENGINEERING, 2015, 37(2): 245-248,244. DOI: 10.6052/1000-0879-13-531

用能量图形面积法计算非线性弹性材料任意加载方式的能量释放率

An energy graphical area method for energy release rate of nonlinear elastic materials under arbitrary loading conditions

  • 摘要: 从能量释放率G的定义出发,用图解法,即能量图形面积法,分别对线弹性材料和非线性弹性材料,以及在固定位移,或固定载荷,或任意加载方式的情况下,推导出能量释放率的计算公式.证明不同加载方式下的非线性弹性材料的能量释放率,在用能量图形面积法极限求导时,其数值是一样的.

     

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