What is the difference between the local bar coordinate system and the global bar coordinate system ?
The local is determined by the position of the bar in the 3D space (X along a bar) and its rotation about its own X axis (Y and Z).
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I am analyzing a building using a 3D frame. Would the displacement experienced by each node used in the frame be in the local coordinate system or in the global coordinate system ?
In the global coordinate system but deflections of bars in the local ones.
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In your answer you mention bars. Would the displacement of the nodes used in the 3D frame be in the global coordinate system and the deflection of the nodes used in the frame be in the local coordinate system ?
The deflection does not refer to a node; you can only see a displacement of a node regardless of an object it belongs to.
Would the values of RX, RY and RZ that appear in the displacement results table be in the global coordinate system ?
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