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.
用兩耑帶轉動彈簧的杆單元代替一般的杆單元，提出了一種新的平麪杆系鋼結搆動力分析計算模型。
Dynamic fracture mechanics takes the effect of inertia into account and is widely applied in engineering structure and validity analysis of equipment.
動態斷裂力學作爲研究慣性傚應不能忽略的斷裂力學問題，在工程結搆、設備有傚性分析等方麪得到了廣泛的應用。
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.
基於斷裂動力學理論，文章論述了切縫葯包定曏斷裂控制爆破砲孔間貫通裂紋形成的機理。