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General Mechanical

General Mechanical

Topics related to Mechanical Enterprise, Motion, Additive Print and more.
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  3. Dynamic analysis

Dynamic analysis

    • February 6, 2020 at 3:15 pm
      SEKER77
      Subscriber

      After I have done transient analysis for historical tower with solid 65 element, I get this plot. But are these blue lines cracks or not? 


    • February 6, 2020 at 4:21 pm
      peteroznewman
      Subscriber

      Aren't these blue lines just showing the elements in the mesh?


      I thought cracks showed as red lines.

    • February 6, 2020 at 5:23 pm
      SEKER77
      Subscriber

      I agree with you. But ? cant see any red lines and ? dont get any warning message after the analysis. Whats wrong?

    • February 6, 2020 at 6:33 pm
      peteroznewman
      Subscriber

      Maybe nothing is wrong and the load is not large enough to crack the part.

    • February 6, 2020 at 7:12 pm
      SEKER77
      Subscriber

      maybe. But I can see eqv plastic strain. maybe my crack snippet is not sufficent. I couldnt understand.


       

    • February 6, 2020 at 7:13 pm
      SEKER77
      Subscriber

      /SHOW,png,rev,1


      /ANG,0


      /VIEW,1,-1,-1,1 !Use these values to change the view


      /ZOOM,1,ON


      /DEVICE,VECTOR,ON


      /PLNSOL,EPEL,INT


      SET,1,100


      PLCRACK,1,1

    • February 6, 2020 at 8:10 pm
      peteroznewman
      Subscriber

      I don't think the mesh is fine enough to represent cracks. I think you need 10x or more elements in the location of highest stress than you have in this mesh.

    • February 8, 2020 at 3:11 pm
      SEKER77
      Subscriber

      Let me try it. I will inform you.

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