...动态断裂;;动态强度;;断裂韧性;;时空离散化;;多尺度;;裂纹扩展;;管道;;有限元建模 [gap=638]Keywords: incubation time criterion;dynamic fracture;dynamic strength;fracture toughness;spatio- temporal discretization;scale level..
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dynamic fracture toughness [力] 动态断裂韧性
dynamic fracture criterion [力] 动态断裂准则
dynamic fracture size 动态裂缝尺寸
dynamic fracture mechanics 动态断裂力学
dynamic fracture initiation 动态起裂
dynamic fracture performance testing 动断裂性能试验
dynamic fracture initiation toughness 动态起裂韧性
strain of dynamic fracture 动态损伤应变
dynamic fracture mode 动态断裂模式
Because the process of rock broken is very complicated, there is a difference between the experimental data and theoretical result of expanding fissure by the present dynamic fracture theory.
由于岩石破碎过程非常复杂的,采用当前的动态断裂理论得出的裂纹扩展长度与实测值差异较大。
参考来源 - 动载作用下损伤岩体的分形与裂纹扩展的探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
The study can be referenced to the reliability analysis and safety evaluation of dynamic fracture behavior.
这里工作对于压力管道的可靠性分析及动态断裂安全评定具有重要的参考价值。
The result shows that the dynamic fracture toughness is affected by both the loading rate and the specimen size.
测试结果表明，岩石的动态断裂韧度同时受到加载率效应和尺寸效应的影响。
From the view point of material selection, we analyzed their dynamic fracture toughness and crack propagation resistance.
从选材角度对比分析了几种铝合金的动态断裂韧性及裂纹扩展阻力。
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