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要求解的问题是个一维轴对称问题（无限长的均匀圆柱），请问如何制定坐标系，使div等算符使在圆柱坐标系下运算？谢谢各位
麻烦各位了，刚开始接触openfoam，困难重重呀。
是不是我的问题没有问到点子上？请各位赐教。