dynamic fracture mechanics

基本解释

A new beam element with a crack is proposed, and its dynamic stiffness matrix is derived by using the line-spring model in fracture mechanics.
用两端带转动弹簧的杆单元代替一般的杆单元，提出了一种新的平面杆系钢结构动力分析计算模型。
Dynamic fracture mechanics takes the effect of inertia into account and is widely applied in engineering structure and validity analysis of equipment.
动态断裂力学作为研究惯性效应不能忽略的断裂力学问题，在工程结构、设备有效性分析等方面得到了广泛的应用。
Based on the theory of dynamic fracture mechanics, the mechanism of crack-forming among shot holes in the directional split of rock by controlled blasting is expounded.
基于断裂动力学理论，文章论述了切缝药包定向断裂控制爆破炮孔间贯通裂纹形成的机理。