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  • Users: earthlink
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  1. earthlink

    Transformation matrix for 3D frame?

    Hi all, I have been searching transformation matrix for 3D frame element here and there, but could not find it. Does anyone know what is the transformation matrix for 3D frame element in the direct stiffness matrix approach. For the 2D beam it looks like this...
  2. earthlink

    Finding Element Stress of Space Frame Stiffness Method

    Hi all If I have interconnected frames, when using stiffness matrix for frame I can find the reaction at each node of the space frame. So now I have these reaction forces at each node. Then lets say there is this node A connecting 3 frame elements a, b and c. I know the reaction force at A...

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