rotational coordinate system 转动坐标系
co-rotational coordinate system 随转坐标系
co-rotational coordinate method 共旋坐标法
Coordinate Rotational Digital Computer 坐标旋转算法 ; 坐标旋转数字计算机 ; 而坐标旋转算法
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。
By making use of transformation of coordinate translation, coordinate rotation, we deduced general formula about area of rotational surface.
利用坐标平移、旋转变换，导出旋转曲面面积求法的一般公式。
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