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I’d like to mesh a thin tube. The following gives a strange result when thickness becomes too small: height = 3; radius = 1; thickness = .06; ir = ImplicitRegion[(radius – thickness)^2 <= x^2 + y^2 <= radius && 0 <= z <= height, {x, y, z}]; mesh = ToElementMesh[ ir, {{-radius, radius}, {-radius, radius},Read more

I realised that in the new version of mathematica (11.2.) there is a problem with boundary meshing. If I set the MeshOrder=2 the meshing procedure doesn’t recognise the boundary elements between two phases. Somehow lot of elements are not considered as boundary elements. This is quite problematic when i have to apply plane forces toRead more