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  3. Why are some segments or entire surfaces absent in the binary interface force file intfor for *CONTACT_TIED?

Why are some segments or entire surfaces absent in the binary interface force file intfor for *CONTACT_TIED?

Tagged: ls-dyna, LS-DYNA Suite, lsdyna, R12, structural-mechanics
    • March 17, 2023 at 8:59 am
      FAQFAQ
      Participant

      In MPP, unless the tied contact is made “groupable”, slave nodes are paired with master segments during decomposition, and the unnecessary master segment s are deleted from the contact definition. This makes it impossible to write all the original master surface data to the intfor file. The good news is you can make the tied contacts groupable by adding the following 2 lines to the input deck: *CONTROL_MPP_CONTACT_GROUPABLE 2

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