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有没有哪位大神写好的给参考一下，实在是搞不懂啊
你这是啥问题呀？
二维的圆柱强迫运动，动网格，然后需要给他编程再进行运动。。一个刚体运动
推荐你看 http://www.cfd-china.com/topic/2040/提问的智慧