问答中心分类: 数值计算组分模拟注气吞吐注完气生产的时候警告组分饱和度变化太大,会导致模型的不收敛  ,该如何调整模型的参数?
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負けないで asked 3年 ago

组分模拟注气吞吐注完气生产的时候警告组分饱和度变化太大,会导致模型的不收敛  ,该如何调整模型的参数? 7801 2.7e-2 6 1532 2021.01.12 r18,10,5M 31.75 r18,14,5M -58e-3(g) r18,14,5M -42e-3( 2) 10e-3 545 4.0 0— Repeat time step: program failed to converge7802 2.1e-2 13 1532 2021.01.12 r18,7,5M -39.1 r18,9,5M 5.0e-2(g) r18,14,5M 2.7e-2( 2) 10e-3 546 4.2 07803 4.2e-2 6 1532 2021.01.12 r18,7,5M 33.83 r18,10,5M 7.5e-2(g) r18,25,5M -42e-3( 2) 10e-3 546 5.0 07804 5.3e-2 6 1532 2021.01.12 r18,7,5M -34.0 r18,25,5M .1020 (g) r18,25,5M 5.8e-2( 2) 10e-3 546 5.5 07805 5.3e-2 6 1532 2021.01.12 r18,7,5M 44.07 r18,7,5M .1086 (g) r18,25,5M -58e-3( 2) 10e-3 546 5.8 0— Repeat time step: composition variation too large, block: 46453 ( r18,16,5M ) 0.1917— Repeat time step: composition variation too large, block: 46453 ( r18,16,5M ) 0.1955— Repeat time step: composition variation too large, block: 46453 ( r18,16,5M ) 0.1821— Repeat time step: composition variation too large, block: 46453 ( r18,16,5M ) 0.1811— Repeat time step: composition variation too large, block: 46453 ( r18,16,5M ) 0.1732— Repeat time step: composition variation too large, block: 46453 ( r18,16,5M ) 0.16437806 4.8e-4 16 1532 2021.01.12 r18,10,5M 268.8 r18,16,5M 8.2e-2(g) r18,16,5M -.142 ( 2) 10e-3 552 4.1 07807 2.7e-4 2 1532 2021.01.12 r18,16,5M -244 r18,16,5M -18e-3(g) r18,16,5M -11e-3( 2) 10e-3 552 3.0 07808 6.6e-4 1 1532 2021.01.12 r18,16,5M -93.4 r18,16,5M -27e-3(g) r18,16,5M -81e-4( 2) 10e-3 552 3.0 07809 1.9e-3 1 1532 2021.01.12 r18,16,5M -50.4 r18,16,5M -15e-3(g) r18,16,5M -39e-4( 2) 10e-3 552 4.0 07810 5.9e-3 2 1532 2021.01.12 r18,16,5F -18.2 r18,14,5M -20e-3(g) r18,25,5M 1.0e-2( 2) 10e-3 552 5.0 07811 1.7e-2 2 1532 2021.01.12 r18,16,5F -19.2 r18,14,5M -45e-3(g) r18,25,5M 2.0e-2( 2) 10e-3 552 6.5 07812 4.5e-2 2 1532 2021.01.12 r18,14,5M 32.69 r18,14,5M .1061 (g) r18,14,5M 3.5e-2( 2) 10e-3 552 7.0 07813 5.0e-2 4 1532 2021.01.12 r18,10,5M -37.9 r18,7,5M .1243 (g) r18,14,5M -56e-3( 2) 10e-3 552 7.2 07814 4.5e-2 4 1532 2021.01.12 r18,7,5M -39.7 r18,7,5M -.107 (g) r18,25,5M -52e-3( 2) 10e-3 552 6.5 0  

1 Answers
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wuxiaoyun 管理员 answered 3年 ago

GEM使用状态方程精细计算相态变化,在计算过程中很容易出现这样的警告或错误,如果出现composition variation too large,可能是由于相态过度变化异常导致的,建议可以从相态模拟着手。