Hi,
I am trying to do Boolean subtraction on two surface meshes. My mesh files are
in .stl format. In Gmsh, I tried to define each mesh as volume using
Modules>Geometry>Elementary entities>Add>Volume. It created a .geo file
containing my .stl file name as a command and used that as the script file.
Then I merged both files and tried to do the Boolean subtraction. It is giving
me the following error,
Error: Unknown OpenCASCADE entity with dimension 3 with tag 1
Error: '', line 3: Could not apply boolean operator
My script looks like this,
Merge "left_ivc_vein.stl";
Surface Loop(1) = {1};
//+
Volume(1) = {1};
//+
Merge "left_ivc_filter.stl";
Surface Loop(2) = {2};
//+
Volume(2) = {2};
//+
SetFactory("OpenCASCADE");
BooleanDifference{ Volume{1}; }{ Volume{2}; Delete; }
I am new to Gmsh and I am not sure what I am doing wrong here. Any help is
greatly appreciated.
Thanks,
Fariba
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