...初始裂纹长度[gap=1256]rack propagation; molecular dynamics simulation; energy evolution; loading rate; initial crack length...
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工程构件的初始裂纹长度是人为规定的，不具有客观性。
The initial crack length of engineering components usually be defined subjectively but not objectively.
文中导出了用初始裂纹长度的分布及马尔可夫转移概率密度函数计算给定时刻裂纹长度分布的积分公式。
The distribution function of crack length at given time can be calculated by integration of the initial crack length distribution and the transition function of Markoff process.
进而分析了管道内压、壁厚、裂纹止裂长度和初始裂纹速度对裂纹驱动力(也即裂纹扩展)的影响。
Meanwhile, the influences of pipeline internal pressure, wall thickness, crack arrest length and initial crack velocity on the crack driving force (crack propagation) are further studied.
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