流体全般

流体全般

  1. マイチャンネル
  2. AIS Japan - 流体全般
  3. メッシュが振動して自由表面が発散する

メッシュが振動して自由表面が発散する

Tagged: 2020 R2, General, polyflow
    • January 31, 2023 at 8:55 am
      FAQFAQ
      Participant

      POLYFLOWの自由表面計算は、自由界面がのこぎり型に振動することがあります。 自由表面の設定に”Upwinding in the kinematic equation”を追加することで改善されます。 ※定常計算やエボリューション計算で推奨 設定場所 　F.E.M. Task 1 　→ F.E.M. Task Sub-task 1 　―→ Flow boundary conditions 　――→ Free surface along boundary 　―――→ Kinematic condition 　――――→ Upwinding in the kinematic equation

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