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损伤演化方程
damage evolution equation
- 在对能量耗散进行分析的基础上，可以建立岩石的损伤演化方程，并通过试验测定相应的参数指标。
Based on the analysis of such energy dissipation a damage evolution equation of rock can be constructed; and the corresponding parameters can be determined through tests. - 在循环压缩载荷下，实测岩石的能量耗散及损伤，数据拟合表明，基于能量耗散分析建立的岩石损伤演化方程可以较好地描述岩石的损伤演化过程。
Under the condition of cyclic compressive load, the energy dissipation and damage variable are calculated and used to fit the damage evolution equation based on the analysis of energy dissipation. - 用损伤力学推导了大范围损伤下的预估往复弯曲梁疲劳裂纹形成寿命的封闭解答,给出了确定损伤演化方程中材料常数的方法,说明了预估矩形截面梁疲劳裂纹形成寿命的方法。
By using of the theory of damage mechanics, closed-form solution about predicting crack initiation life of a beam subjected to reverse bending which leads to large range damage is derived.
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