dynamic fracture mechanics

基本解釋

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.
用兩端帶轉(zhuǎn)動彈簧的桿單元代替一般的桿單元，提出了一種新的平面桿系鋼結(jié)構(gòu)動力分析計算模型。
Dynamic fracture mechanics takes the effect of inertia into account and is widely applied in engineering structure and validity analysis of equipment.
動態(tài)斷裂力學作為研究慣性效應(yīng)不能忽略的斷裂力學問題，在工程結(jié)構(gòu)、設(shè)備有效性分析等方面得到了廣泛的應(yīng)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.
基于斷裂動力學理論，文章論述了切縫藥包定向斷裂控制爆破炮孔間貫通裂紋形成的機理。