why black lines appear?

haveto
haveto Altair Community Member
edited July 3 in Community Q&A

image

i want to know why black lines appear? i off geometry, just on mesh

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Answers

  • bhaskar Goswami
    bhaskar Goswami New Altair Community Member
    edited July 3

    Try to chek the free edges and 1D elements. 
    if Free edge or Free 1 D element is there, delete it. 

    Free edge (Shift+F3), 1D element in Qualtiy parameters.


    also chek the Mesh Normal.  (Shift+F10)

  • Michael Herve_21439
    Michael Herve_21439
    Altair Employee
    edited July 3

    Hello @haveto ,

     

    generally that is linked to a different normal orientation for neighbor elements. Can you please check your elements orientation?

     

    Best Regards,

    Michael

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