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北京石油化工学院2026年研究生招生接收调剂公告
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siyuan653

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[交流] 【求助】fluent模拟气固流化床采用欧拉模型并行计算出现问题 已有7人参与

如题,Domain Extents:
   x-coordinate: min (m) = -1.504056e+000, max (m) = 1.504056e+000
   y-coordinate: min (m) = -1.504056e+000, max (m) = 1.504056e+000
   z-coordinate: min (m) = -3.954906e+000, max (m) = 4.000000e+000
共计Level    Cells    Faces    Nodes   Partitions
    0   118973   263258    38429            1
迭代 0.001s间隔。每步迭代 23次, ( courant数=0.01)  在迭代了3步后出现问题如下,一直很困惑,好像是网格的问题,但是不知道如何解决啊

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 3076 cells
    75 4.8345e-01 7.0716e-02 2.1623e-02 6.4105e-02 1.7573e-02 5.0451e-01 4.7495e-02 3.5347e-02 4.8223e-02 5.3105e-04  0:00:10   17

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 2508 cells
    76 4.6065e-01 5.8686e-02 1.6510e-02 5.7279e-02 1.4017e-02 3.4583e-01 3.2057e-02 4.1836e-02 5.8991e-02 7.4475e-04  0:00:07   16

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 3486 cells
    77 1.0186e+00 1.9718e-02 1.4642e-02 1.9111e-02 1.2713e-02 2.0827e-01 2.2457e-02 2.8415e-01 4.0360e-01 5.9720e-04  0:00:09   15

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 1703 cells
    78 4.0658e-01 6.9883e-02 1.2277e-02 6.7578e-02 1.1482e-02 4.0341e-01 1.9761e-02 1.5802e-01 2.0972e-01 6.5258e-04  0:00:06   14

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 2438 cells
    79 4.7345e-01 5.2263e-02 1.0559e-02 4.9648e-02 1.0218e-02 5.6377e-01 1.7629e-02 4.0762e-02 7.3831e-02 5.3690e-04  0:00:07   13

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 2365 cells
  iter continuity  u-phase-1  u-phase-2  v-phase-1  v-phase-2  w-phase-1  w-phase-2  k-phase-1 eps-phase- vf-phase-2     time/iter
    80 4.0495e-01 6.6257e-02 9.9206e-03 6.6314e-02 9.3302e-03 2.4041e-01 1.4873e-02 3.4090e-02 5.3204e-02 4.8348e-04  0:00:05   12

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 2711 cells
    81 3.8580e-01 4.6926e-02 9.3235e-03 4.9785e-02 8.8725e-03 6.8015e-02 1.1986e-02 1.5275e-02 3.5898e-02 5.2936e-04  0:00:06   11

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 2956 cells
    82 5.6706e-01 4.9482e-02 8.9290e-03 5.2217e-02 8.8058e-03 2.1373e-01 1.2180e-02 3.9639e-02 6.7662e-02 1.1788e-03  0:00:04   10

Error: Floating point error: invalid number

Error Object: #f

Balancing not successful.
999999 (..\..\src\mpsystem.c@1123): mpt_read: failed: errno = 10054

999999: mpt_read: error: read failed trying to read 8 bytes: Invalid argument
s!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***unable to read the cmd header on the pmi context, Undefined dynamic error code.
Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partitiounable to read the cmd header on the pmi context, Undefined dynamic error code.
n a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertiunable to read the cmd header on the pmi context, Undefined dynamic error code.
ces!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
        ***Cannot bisect a graph with 0 vertices!
        ***You are trying to partition a graph into too many parts!
unable to read the cmd header on the pmi context, Undefined dynamic error code.
unable to read the cmd header on the pmi context, Undefined dynamic error code.
unable to read the cmd header on the pmi context, Undefined dynamic error code.
received suspend command for a pmi context that doesn't exist: unmatched id = 5
received suspend command for a pmi context that doesn't exist: unmatched id = 4
received suspend command for a pmi context that doesn't exist: unmatched id = 3

job aborted:
rank: node: exit code[: error message]
0: y-1pbwn1t8x2e: -1073741819: process 0 exited without calling finalize
1: y-1pbwn1t8x2e: -1073741819: process 1 exited without calling finalize
2: y-1pbwn1t8x2e: -1073741819: process 2 exited without calling finalize
3: y-1pbwn1t8x2e: -1073741819: process 3 exited without calling finalize
4: y-1pbwn1t8x2e: -1073741819: process 4 exited without calling finalize
5: y-1pbwn1t8x2e: -1073741819: process 5 exited without calling finalize
received suspend command for a pmi context that doesn't exist: unmatched id = 2
received suspend command for a pmi context that doesn't exist: unmatched id = 0
The Parallel FLUENT process could not be started.
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47425804

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robert2020(金币+1):多谢提供建议,欢迎常来仿真模拟版交流! 2010-11-09 22:42:27
你把迭代时间步长缩小些试试 而且是缩小很多 0.001s有点太大了
2楼2010-11-09 08:51:16
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siyuan653

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nono2009(金币+1):鼓励分享经验 2010-12-02 07:25:53
引用回帖:
Originally posted by 47425804 at 2010-11-09 08:51:16:
你把迭代时间步长缩小些试试 而且是缩小很多 0.001s有点太大了

谢谢你,我倒是没事过调节步长值,但是我是重新画了网格就可以了,减少画网格的分区
做一个平凡而不平庸的人
3楼2010-11-10 08:40:19
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冰点done

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小木虫(金币+0.5):给个红包,谢谢回帖交流
请问楼主,颗粒直径怎么设置的?常数么
激情过后是无限的空虚
4楼2010-12-01 16:15:16
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siyuan653

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引用回帖:
Originally posted by 冰点done at 2010-12-01 16:15:16:
请问楼主,颗粒直径怎么设置的?常数么

在PHASE中可以定义颗粒直径啊
做一个平凡而不平庸的人
5楼2010-12-02 10:09:31
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冰点done

木虫 (小有名气)


小木虫(金币+0.5):给个红包,谢谢回帖交流
引用回帖:
Originally posted by siyuan653 at 2010-12-02 10:09:31:

在PHASE中可以定义颗粒直径啊

那里面不是只能定义成常数么?我想要定义为一个粒度区间怎么实现呢?
激情过后是无限的空虚
6楼2010-12-02 10:13:44
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siyuan653

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引用回帖:
Originally posted by 冰点done at 2010-12-02 10:13:44:

那里面不是只能定义成常数么?我想要定义为一个粒度区间怎么实现呢?

可以吧,用udf 试试,应该可以
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7楼2010-12-02 10:51:47
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冰点done

木虫 (小有名气)


小木虫(金币+0.5):给个红包,谢谢回帖交流
引用回帖:
Originally posted by siyuan653 at 2010-12-02 10:51:47:

可以吧,用udf 试试,应该可以

我没写出来,udf刚学,在论坛里找了一个好像也不能用
激情过后是无限的空虚
8楼2010-12-02 13:01:10
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hejingfeng

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小木虫(金币+0.5):给个红包,谢谢回帖交流
楼主做的是什么流化床的模拟呢?
9楼2010-12-05 04:12:24
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siyuan653

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引用回帖:
Originally posted by hejingfeng at 2010-12-05 04:12:24:
楼主做的是什么流化床的模拟呢?

射流流化床 3维的 您是做什么模拟的?
做一个平凡而不平庸的人
10楼2010-12-05 09:42:47
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