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When should PRINCIPAL_FACE_P macro be used in a UDF?

Tagged: 2019 R1, fluent, fluid-dynamics, General - FLUENT, udf
    • March 17, 2023 at 8:59 am
      FAQFAQ
      Participant

      This is generally used when looping over faces of an internal surface which shares partitions across the surface. This macro helps to use the principal face and avoids repetition of calculations, for example when calculating the face area.

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