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Hello, I'm modelling a complex structure in Hypermesh with Nastran profile and I need to connect two components. One is a tube meshed with pshell elements while the other is a solid meshed with psolid. The tube is perpendicular to the solid surface but I cannot have the same mesh for various reasons. In Abaqus I would use a tie constraint between the edge of the tube and the surface of the solid but I can't understand how to do so with Nastran and Hypermesh. I tried to use the cards BSURF, BCONNECT AND BCTABLE but I'm not able to figure out how they works. Any suggestions would be highly appreciated. Thank you! Stefano