1 Reply Latest reply on Aug 25, 2015 4:01 PM by Janko Stellaard

    Flange displacement with spring connectors simulation question

    Andrew Zacharias

      I want to simulate flange displacement from a pressure internally that is connected by spring connectors on the front face to shoulder screws/shims which are involved in cyclic symmetry and are fixed to another flange. I have a split line on the back of the flange for internal pressure and another split line on the front that encompasses the bolt hole to indicate spring face connection. I have various spring data, and want to test whether or not certain pressures can act against the force of the spring to open up. Is this a feasible simulation without nonlinear simulation and also with the spring connectors? Thanks.

       

      Here are some sample model pictures as well:

        • Re: Flange displacement with spring connectors simulation question
          Janko Stellaard

          Hi Andrew,

           

          The spring connector can only be setup as a linear spring. To introduce nonlinear spring behaviour you have to simulate the spring with a dummy part with nonlinear characteristics.

           

          The simulation can be considered linear when:

          • deformations are relatively small (small strain, and force directions don't change significantly)
          • linear material behaviour
          • loads are static and applied graduately

           

          If these points don't apply, you need to do a nonlinear analysis.

           

          Janko Stellaard

          Cadmes BV

          The Netherlands