常見例句雙語例句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構動力分析計算模型。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不能忽略的斷裂力學問題，在工程結構、設備有效性分析等方面得到了廣泛的應用。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。 返回 dynamic fracture mechanics