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[求助]
浮點(diǎn)溢出x-momentum ->Increasing relaxation sweeps! 已有1人參與
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我首先進(jìn)行定常計(jì)算,質(zhì)量流量入口,壓力出口,收斂后再進(jìn)行大渦模擬,設(shè)置了interface,而且網(wǎng)格質(zhì)量是0.35以上(ICEM),在求解一段時間后就會出現(xiàn)如下情況 # Divergence detected in AMG solver: x-momentum -> Increasing relaxation sweeps! reversed flow in 7103 faces on pressure-outlet 72. Divergence detected in AMG solver: x-momentum Divergence detected in AMG solver: y-momentum Divergence detected in AMG solver: z-momentum Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: x-momentum Divergence detected in AMG solver: y-momentum Divergence detected in AMG solver: z-momentum Divergence detected in AMG solver: pressure correction Divergence detected in AMG solver: pressure correction 我定常計(jì)算時修改松弛系數(shù)后就不會出現(xiàn) reversed flow in 7103 faces on pressure-outlet 72. 但是也會浮點(diǎn)溢出 這個問題已經(jīng)困擾我兩周多。。。 |


木蟲 (著名寫手)

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