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Re: STL file


Hi,rnrnThis is done inside OpenLB and not with the STL-file. You need to assign different material numbers to the different regions “”by hand”” (see cylinder3d). In the new release, you will be able to use geometry primitives like Cicles, Cuboids and there combination or intersection to rename materials which is much mor convenient than “”looping by hand””. rnrnBest regardsrnMathias