BST shell import - fixed nodes

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Halvor Aslaksen

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Apr 4, 2024, 8:41:30 AM4/4/24
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Hi!

I have a problem when importing a .obj mesh into Chrono with BSTShellFromObjFile. For some reason, when I apply a pressure to the mesh, a set of nodes stays fixed while the rest of the nodes move. I have not written any code to fix these nodes. Does anyone know what the problem might be? 
The .obj file is a simple circular mesh, and both my code and the file are attached.
circle.obj
my_example.cpp
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