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Is it possible to apply boundary conditions w.r.t. local axes?

April 26, 2017Axes Boundary Conditions local possible w.r.t

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Is it possible to apply boundary conditions w.r.t. local axes?

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Yes it is possible to apply boundary conditions w.r.t local co-ordinate axes. Consider the situation where you want to apply a rotation at a set of nodes which lie along the periphery of a circular arc. Consider the figure where nodes 1 to 5 along the outer radius are to be subjected to a rotation of 1 unit. Then a local cylindrical co-ordinate system transformation is set up first. The nodes 1 to 5 are formed into an element set called CID1.