How to impose NeumannBC on a boundary line of a 2D plane in a 3D mesh? #16850
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Hi everyone, I use Gmsh (attached .geo and .msh files ) to build a 3D model (named 'Matrix') embedded by a 2D plane (named 'Fault'). I want to impose NeumannBC on the left boundary line (named 'Leftline')of the 2D plane. I have done the following works:
I setted construct_side_set_from_node_set=true but I got the same error information again. But if I set DirichletBC on the 'Leftline', this was no error. Could you please give me suggestions on this? Thanks a lot. |
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Could you also attach your input file (at least the [Mesh] block) after adding "construct_side_set_from_node_set=true"? |
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Could you also attach your input file (at least the [Mesh] block) after adding "construct_side_set_from_node_set=true"?