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General Mechanical

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Is the result exactly correct result for modal analysis ?

    • muhammadagussriharto
      Subscriber

      Hi, guys. I just wanna ask something relate to my model and the result is appropriate accurately even though there's need experiment to get "actual result" 

      So, Let's start . 

      I cofidently at beginning when I solve the holllow beam I made and the settings have been made . but there's something a little make me not put confident  on that . You may like ask , where and when?

      Look image on the below: 

      minimum occurs on: Midsurfaces 1 

      maximum occurs on: Midsurfaces 2 

      If the "occurs" happen different side , so I predict the result of deformation not correct  or inaccurately.

      I assume THAT WIL BE CORRECT if the minimum occurs and maximum occurs happen on one side "only' 

      So , is there any advice or opinion for that . I really need help . 

      at below the geometry look like . btw , I'm using midsurface because thin structure . 

    • Erik Kostson
      Ansys Employee

       

       

      See this post that explains some important aspects/points of modal analysis.

      https://innovationspace.ansys.com/forum/forums/topic/unreasonable-behavior-of-a-structure-during-a-modal-simulation-2/

      I would also suggest to take our free modal analysis course (search under courses):

      https://innovationspace.ansys.com/product/modal-analysis/

       

      All the best

      Erik

       

       

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