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要在一个区域加源项,需要乘以网格在x方向上的表面积,请问怎么用mesh.magSf()获取网格在特定方向上的的面积呀
mesh.magSf()是定义在网格面上的,极端情况下,你这个区域特别小,小到一个点,如果这个点跟网格面不重合怎么办?
mesh.magSf()
@东岳 李老师。我是要在壁面附近一层网格区域加源项,每个网格需要加的质量计算的公式,需要乘以壁面这个网格的面积,再除以网格的体积,请问我需要怎么写呀