And then, substituting stress and displacement into basic formula of strain energy release rate, computing formula for strain energy release rate of mode III, mixed mode crack tips are direved.
其次将应力与位移代入应变能释放率的基本公式，推出了Ⅰ、Ⅱ混合型，Ⅲ型以及Ⅰ、Ⅱ、Ⅲ混合型裂纹尖端应变能释放率的具体计算公式。
In this paper, fracture mechanism, position and direction of crack initiation of mixed mode fracture in several ductile materials are tested, and stress distributions of which are analyzed.
应用传统强度理论和细观力学方法对几种韧性材料在复合载荷条件下的断裂机理、启裂位置、开裂方向进行了实验分析和应力场计算。
An expression of energy difference rate in a plate of non-uniform thickness with a crack of mixed mode under both body force and surface tractions in a non-uniform temperature field is derived.
本文推导出了含复合型裂纹的变厚度板在承受体力和面力、存在非均匀温度场的情况下的能量差率表达式。
The energy release rate and failure criterion for mixed mode are investigated by means of the method of equivalent linear crack extension.
利用当量直线裂纹扩展法研究复合型裂纹的能量释放率及相应的断裂判据。
An element initial stress method to calculate stress intensity factor of three-dimensional mixed-mode crack is introduced.
对单元初始应力法应用于复合型三维裂纹问题进行了研究。
The calculation results show that the fracture criteria of the rock compression-shear mixed-mode crack based on the strength criteria are rational;
计算结果表明，基于强度准则建立的岩石压剪断裂判据比较合理；
The calculation results show that the fracture criteria of the rock compression-shear mixed-mode crack based on the strength criteria are rational;
计算结果表明，基于强度准则建立的岩石压剪断裂判据比较合理；
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