78 弹性应变能密度elastic strain energy density 单位体积中的应变能，一个与物体弹性变形有关的特定能量密度。它包括两部分：表征体积上的变化的体积能量密度，J／m。
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The fracture strain energy density at the high strain rate is mainly determined by the initial elastic modulus and the unstable strain and affected by the temperature and the strain rate.
在高应变率下，断裂应变能密度主要由初始弹性模量和失稳应变共同决定，受温度效应和应变率效应的综合影响。
Under this framework, the stress-strain relations are derived from a pseudo-elastic strain-energy density.
在这一理论框架下，增量的应力应变关系可以从所构造的能量函数中推导出来。
An application of the equivalent strain energy density method for calculation of elastic-plastic notch-tip strains under tension loading is presented.
本文介绍了根据应变能密度原理估计拉载作用下缺口底部应力、应变的方法。
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