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restone新蟲 (初入文壇)
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[交流]
【求助】Time step too small in stiffbs是怎么回事? 已有2人參與
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Sample Text在用離散相求解水滴蒸發(fā)時,連續(xù)相計算完后,用熱質(zhì)耦合計算,沒有問題,后來加入了UDF幫助中的DPM_SOURCE就出現(xiàn)了: Time step too small in stiffbs: dt = 3.819282e-21, t = 4.316239e-04 0 y = 2.000002e-11 dy/dt = -1.075370e+03 1 y = 2.312000e+02 dy/dt = 0.000000e+00 Time step too small in stiffbs: dt = 3.589703e-21, t = 4.311432e-04 0 y = 2.000000e-11 dy/dt = -1.076570e+03 1 y = 2.312000e+02 dy/dt = 0.000000e+00 Time step too small in stiffbs: dt = 3.513279e-21, t = 4.311310e-04 0 y = 2.000002e-11 dy/dt = -1.076599e+03 1 y = 2.312000e+02 dy/dt = 0.000000e+00 之類的,就out of memory,沒法算下去了。怎么回事呢?請各位大俠指教。! |
新蟲 (初入文壇)

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