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Structural Dynamics

Structural Dynamics

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  3. In which coordinate system are the results reported for Response Spectrum Analysis (RSA)?

In which coordinate system are the results reported for Response Spectrum Analysis (RSA)?

Tagged: 19, coordinate-system, mapdl, mechanical-apdl, response spectrum, structural-dynamics, structural-mechanics
    • April 5, 2023 at 2:33 pm
      FAQFAQ
      Participant

      Displacement, stresses, and strains are reported in the solution coordinate system (see RSYS command). The solution coordinate system for element quantities (e.g., stresses and strains) is the element coordinate system. By default, for solid elements, the element coordinate systems are global cartesian. For beam elements is based on the element alignment. The solution coordinate system for nodal quantities (e.g., displacements) is the nodal coordinate system. By default, the nodal coordinate systems are global cartesian.

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