seep/w 改变渗透系数，用不用重新划分网格。
先定义材料后，然后才能划分网格，我想对比一下材料在不同渗透系数下对土坝渗流的影响，不知道重新定义材料的渗透系数后，还用不用在重新划分网格了。 不需重新划分网格 P5|u3x3k F9W%j INew Geometry Based Modeling
You can now define your boundary conditions and material properties on your region geometry, rather than on the finite element mesh. This allows you to freely change your model without worry about losing your existing model definition. For example, if you increase the height of a soil layer, your boundary conditions are moved along with the soil, and a new finite element mesh is automatically generated.
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