this paper presents a theoretical analysis about the propagation rule of the micro-crack in brittle materials under axial compression, based on the energy release rate criterion.
本文利用混合型裂纹扩展的能量释放率理论对脆性材料受轴向压缩时其内部微观裂纹的扩展规律进行了研究。
the energy release rate is calculated with the boundary collocation method.
最后,用边界配置法求解了能量释放率。
the energy release rate for crack propagation depends only on the stress intensity factor and the material constants.
电导通裂纹模型中的静电场对裂纹尖端扩展的能量释放率不作贡献。
finally, it is demonstrated that the increase of nitrogen content in propellant formulation is an important approach to raising the energy release rate at low pressure.
最后,论证了适当增加配方中的氮含量是提高低压下能量释放率的重要途径。
the solutions are compared with the energy release rate of linear elasticity.
解答与线弹性的能量释放率进行了比较。
the study on the energy release rate for cracks propagating of particle and matrix interface in functionally gradient materials(fgm) was carried out.
研究了功能梯度材料富陶瓷区金属颗粒界面断裂能量释放率。
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。
in the course of the fracture analysis, they can be used to compute the energy release rate along the normal direction of the crack boundary.
当进行断裂分析时,可用它们计算沿裂纹边界法线方向的能量释解率;
in the case of constant load, the energy release rate will increase with time until it reaches a higher limit value.
在常载荷的情况下,能量释放率将随时间而增长,直到它达到某一较高的极限值。
and then the energy release rate when interface arc crack extends to matrix was gotten.
在界面脱开成为裂纹源并向基体内扩展的情况下,计算出弧形界面裂纹的能量释放率。
numerical solution of these equations yields the intensity factors and the energy release rate at the crack tip.
求解这些方程组,获得了裂纹尖端的强度因子和能量释放率。
the main conclusion is that: when the temperature field in the crack surface is uniform, the energy release rate will decrease with time, until it reaches a lower limit value.
其主要结论是:当裂纹面内的温度埸恒定时,能量释放率将随时间而减少,直至某一较低的极限值。
the energy release rate is always positive.
能量释放率总为正值。