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buoyantPimpleFoamを用いた球周りの抗力係数の計測
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yuki yuki
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Nov 17, 2025, 7:26:43 AM
Nov 17
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お世話になっております.
buoyantPimplefoamを用い,255Kに固定した球周りを289Kの水が流れるような問題を実装しております.
球周りの抗力係数をfunctionobjects/forcecoeffsで計測し,ベンチマークを行ったのですが,理論値より8パーセントほど大きく出てしまいます.
また,計算も発散しているようです.
大きな原因はなにが考えられるでしょうか.
下記に実行ファイル,温度場,速度場可視化結果を添付します.
よろしくお願いします.
T_v0.02.mp4
Waterflow_iceball_org.tgz
U_v0.02.mp4
H‐Tsubota@xsim.info
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Nov 19, 2025, 11:02:37 PM (12 days ago)
Nov 19
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下記で回答しました。 #重複した質問
https://groups.google.com/g/openfoam/c/CTLTNRsjwME
2025年11月17日月曜日 21:26:43 UTC+9 yuki yuki:
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