Recommended equations used for estimating crack opening displacement ( COD ) were given.

文中给出了推荐的高应变区裂纹张开位移 ( COD ) 估算式.

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The singular integral equation for the unkown crack opening displacement is derived.

求出了以裂纹张开位移为未知量的奇异积分方程.

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Another way to do the test is to record the load versus the crack opening.

另一种测试方法就是记录承压与裂缝张开参数.

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The equivalent crack opening displacement of smeared damage - fracture model is formulated with damage parameter band width.

基于弥散裂缝框架,该文建立了等效裂缝张开位移与损伤因子、断裂带宽度之间的函数关系.

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The relationship between crack length and stress intensity factor or crack opening displacement is also given.

用边界积分方法,分析表面裂纹的张开位移和应力强度因子.

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