I am using beams with 1000X greater stiffness than my standard beams to model rigid connections. I have not had much success using the "rigid connections" feature in Pro/Mechanica. It won't let me make a rigid connection between a point in space and a surface. It says, "model not restrained properly". So I spider three of my extra-rigid beam elements from my point to three points on the surface. This seems to work fine, but any idea why the rigid conection feature is not working for me?
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