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Posts posted by M.karthickraja

  1. Hi all,

            I had modeled a steel  Plates of two Cases of Same config  as shown in fig.


    Case :1   2D PLATE  2mm Thickness, F=140N(10N/14 Nodes), constraints at opposite end.


    Case :2   3D hex Plate  2mm Thickness with 2 Layer of Mesh, F=140N(10N/14 Nodes), constraints at opposite end.


    Clarification required :

                   1. Both plates are same in Boundary conditions , dimensions and material property. only the element type varies but why the stress induced is different ?



  2. On 12/21/2016 at 10:07 AM, Rahul R said:

    As mentioned above its a CFD mesh.(Octree hex mesh)

    Octree approach is useful when you have a very poor cad and tricky surfaces. Use this approach when you do not want to spend more time cleaning cad model. On the other hand, advancing front requires less user input to generate a good mesh, but it does require good quality CAD surfaces and tricky surfaces sometimes don't mesh. You can refer wiki on how the Octree algorithm works.





    The Octree based tet meshing introduced in version 13.0 is a faster and high quality alternative to the proven advancing front meshing algorithm, and can be used with more than just CFD applications. And due to the logic behind this scheme it provides a very nice BL transition.



    It can be accessed through the 3D page  tetramesh or CFD tetramesh panel  Tetramesh parameters option. Please refer snapshot below:






    Octree Based.jpg


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