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  3. Why I cannot apply flow out boundary condition to the boundary of a multi-material Euler domain at Y = 0?

Why I cannot apply flow out boundary condition to the boundary of a multi-material Euler domain at Y = 0?

Tagged: 18.2, autodyn, boundary-conditions, Explicit - AUTODYN, Model Generation, structural-mechanics
    • June 5, 2023 at 7:05 am
      FAQFAQ
      Participant

      Y = 0 represents the axis of axial symmetry. There is no flow across the X axis due to axial symmetry. Thus flow out boundary condition cannot be applied to the boundary at X axis. User can apply the flow out boundary conditions at the lower I index, upper I index, and upper J index planes in the multi-material Euler domain.

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