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For questions regarding the choice and/or appropriateness of conditions necessary to model a particular phenomenon with a partial differential equations.
5
votes
FEniCS: how to specify boundary conditions on a circle inside 2D mesh
As the error message suggest the DirichletBC does not hit any mesh entities with corresponding dofs. You need to examine your subdomains. One way to debug these are to apply the DirichletBC to a Funct …