General Mechanical

General Mechanical

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Area of force not matching

    • December 15, 2019 at 12:03 pm
      BeckyGrech13
      Subscriber

       Hello everyone. So my colleague and I had to learn Ansys for structural testing as product designers. We are now trying to do a very simple project with the program but we have encountered difficulties. So we designed a very basic 3D shape and applied a force which we shaped as 2D footprints. We checked all the results given by Ansys and at the first phase everything matched up: stress, force and area of footprint. What we later did is we started reducing material from the 3D shape and applying the same force and we did this process twice over (4 phases in all). Unfortunately when we were double checking the numerical values given by Ansys the area of the foot print, which is our constant, changed. Does anyone know why? Might it have something to do with the program simplifying the mesh ? 


      Thanks B


      phase 1 with constant foot print Phase 2 with the same foot print Phase 3 and foot printphase 4 with foot print

    • December 15, 2019 at 12:57 pm
      peteroznewman
      Subscriber

      In Mechanical, click on the Mesh branch in the Outline. In the Details window in the Sizing category is Mesh Defeaturing. Turn that off and see if you maintain a constant footprint area.

    • December 15, 2019 at 3:26 pm
      BeckyGrech13
      Subscriber

      Thanks will try it out and let you know

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