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General Mechanical

General Mechanical

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  3. Zooming in on the mesh at the geometric transition zone reveals unshaped lines

Zooming in on the mesh at the geometric transition zone reveals unshaped lines

    • October 12, 2024 at 8:06 am
      1617836513
      Subscriber

      I'm doing a torsion test on a screw and noticed that the maximum value of the stress is in a cell at the intersection of the round hole and the threads, which seems to be a stress singularity? And zooming in on that cell, there is a single straight line from the node, just a straight line, not an edge of the tetrahedral mesh, why does this line exist? Does it make sense?

       

    • October 12, 2024 at 8:28 am
      1617836513
      Subscriber

      The diagram above shows me cutting the threads and studs into two entities and sharing the topology. In the mesh model without the separation, there are no shorts in the mesh in the geometric past zone. That's why？

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