线弹性断裂力学是断裂力学的一个重要分支，它用弹性力学的线性理论对裂纹体进行力学分析，并采用由此求得的某些特征参量（如应力强度因子、能量释放率）作为判断裂纹扩展的准则。
...．建立了多层复合梁的层间裂纹分析模型，并对其失效行为进行分析．在1线弹性断裂力学(LEFM，linear elastic fracture mechanics)范畴内，应力强度因子和能量释放率1(或裂纹扩展力)是两个重要参量．提出了拉伸弯曲组合梁的能量释放率的...
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... 格里菲思理论 Griffith theory 线弹性断裂力学 linear elastic fracture 弹塑性断裂力学 elastic-plastic fracture ...
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... 格里菲思理论 griffith theory 线弹性断裂力学 linear elastic fracture mechanics, lefm 弹塑性断裂力学 elastic-plastic fracture mecha-nics, epfm ...
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通常可用线弹性断裂力学进行钢桥裂纹分析。
The analysis of cracking in steel Bridges can usually be accomplished by using linear elastic fracture mechanics.
本文讨论了线弹性断裂力学的复合型断裂准则。推荐了周向应变因子准则。
In this paper, the criteria of mixed mode brittle fracture are carefully examined. It has been shown that, the circumferential strain factor criterion is rational and safe.
采用这里得到的结果，可以很方便地立刻将线弹性断裂力学的某些结果推广到粘弹裂纹体的情形。
Using the results obtained here, we can generalize conveniently and immediately some results of the linear elastic mechanics of fracture to the cases of viscoelastic cracked bodies.
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