...元体平衡方程为基础,引进三维应力应变瓜葛,患上到用应变分量所表示的平衡方程 同时,采用拖带坐标(co-moving coordinates)(x0,x1,x2),在变形前,中面为x0=0,(x1,x2)为中面上的坐标中面之外各点的坐标则用x0,以及中面的法线与中面的交点x1、x2...
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采用拖带坐标系下的退化壳单元,以及动态显式有限元方法求解管材在弯管机上的弯曲成型问题。
A dynamic explicit finite element method is used to pipe bend forming processes on bender in this paper. The degenerated shell element and co-rotational coordinate system are employed.
采用基于s - R分解原理的更新拖带坐标有限元法,对火灾下钢筋混凝土板进行了数值模拟。
Update co-moving coordinate finite element based S-R decomposition theorem was used to calculate the reinforced concrete slabs under fire.
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