Connectivity of second order element

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rhotze
2013-06-05
2013-06-05
  • rhotze

    rhotze - 2013-06-05

    Good morning!
    I would like to ask you if there is any documentation available concerning the connectivity of the second order elements created by netgen (especially TRIG6 and TET10).
    Something like this would really help me a lot:
    Connectivity http://imageshack.us/photo/my-images/221/connectivity.jpg

    Thank you for your attention,
    Bernd

     
  • Joachim Schoeberl

    sorry, there's no drawing in the docu.
    I copied the following lines from the code (secondorder.cpp)
    Each row consists of 3 indices (V1 V2 E), where the edge point E lies between corner points V1 and V2.
    Please note 0-based indexing

    static int betw_trig[3][3] =
    { { 1, 2, 3 },
    { 0, 2, 4 },
    { 0, 1, 5 } };
    static int betw_tet[6][3] =
    { { 0, 1, 4 },
    { 0, 2, 5 },
    { 0, 3, 6 },
    { 1, 2, 7 },
    { 1, 3, 8 },
    { 2, 3, 9 } };

    Joachim

     
  • rhotze

    rhotze - 2013-06-05

    Thank you very much, Joachim. That helps me a lot.
    Bernd

     

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