General Mechanical

General Mechanical

Use directional acceleration result from response spectrum for nonlinear static structural analysis

    • viechr78

      Hello everyone,

      I'm currently conducting a seismic calculation of a pressure vessel (diameter: 1.7m, height 14m), for which I conducted a modal analysis and a response spectrum analysis, so far, so good.
      For the pressure vessel calculation according to EN13445 (gross plastic deformation check), a analysis with nonlinear material behavior (linear elastic - ideal plastic) has to be performed. Therefore I can't just simply sum up the results from the response spectrum analysis and the static structural analysis; instead I have to consider the seismic acceleration loads directly in the static structural analysis. I'd like to use the directional acceleration result from the response spectrum as a load in the static structural analysis. Is there any way to do this?

      Best Regards, Christian

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