[Insight-users] about ITK fem lib

[Yixun Liu]

Hi ITK Users and Developers,

I am puzzled about applying the boundary condition in ITK fem lib. The class LoadBC apply the boundary condition based on the local DOF in the element. So, it is not convenient to apply the BC to many nodes. For example, if I apply the BC in the Loop of  the element, the BC of the node shared by other elements has to be applied again. If I apply the BC in the Loop of the node, first I must decide the element in which the node locates. Both methods are not convenient. Why not ITK provedes the class used to apply BC based on the node instead of  the element?

Thank you in advance!

Best regards,

Yixun Liu
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