crack opening displacement 裂缝张口位移 ; 位移 ; 裂缝张长位移 ; 缝开口位移
crack opening displacement test 裂缝张口位移试验
crack tip opening displacement 龟裂端开口位移
crack opening displacement profile 裂纹位移展开轮廓
crack mouth opening displacement 口位移 ; 裂缝开口位移
The numerical results illustrate the distribution of crack opening displacement on a circular crack and an elhptical crack.
给出两个算例，计算了圆形裂纹和椭圆形裂纹上的张开位移分布。 数值结果表明：本文的方法是有效的。
参考来源 - 横观各向同性体中的埋藏裂纹 Embedded Crack in Transversely Isotropic BodyThe results show that the near crack tip opening displacement method is more sensitive to the fatigue crack closure than the crack mouth opening displacement method.
分析测量方法和测量结果表明，裂纹尖端附近张开位移对疲劳裂纹闭合较敏感，测得的U值最小，在大多数情况下，裂纹嘴张开位移法对疲劳裂纹闭合不敏感，测出得闭合参数U值比其他测点测到的要大。
参考来源 - 高应变SCT试样研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show that brittle fracture occurs in matrix and the P-WCMOD(crack mouth opening displacement) curve is linear till loading to failure.
实验结果表明：水泥基体发生脆性断裂，从加载到试件破坏P-WCMOD曲线一直呈线性；
For crack-opening displacement tests, a specimen is notched and then fatigued by flexing to obtain a fine crack. Force is then applied until the crack begins to grow.
在裂纹扩展试验中，试样切口后使其弯曲并产生微小裂纹，在试件上继续加力直到裂纹扩大为止。
This case has more advanced anterior disc displacement with clicking sounds in opening and closing.
这个病例关节盘前移位较重，张闭口时有弹响。
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