求助

yy863973

我的网格的单元分布如下
0.9-1.0 0个
0.8-0.9 0个
0.76-0.8 0个
最大的是0.755
总共有186万个网格
该网格的质量如何呀？
但是算冷态流场时只算了20步就出现了如下问题
iter continuity x-velocity y-velocity z-velocity     energy          k    epsilon     time/iter

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 1869417 cells

absolute pressure limited to 1.000000e+000 in 922726 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 161362 cells
     1 1.0000e+00 2.5299e-04 1.0358e-03 2.9942e-04 3.6055e-08 2.3813e-04 6.6638e+00 13:52:55 1999

absolute pressure limited to 1.000000e+000 in 603978 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 139583 cells
     2 1.0000e+00 2.8008e-02 7.8378e-02 3.3740e-02 1.3296e-04 3.7871e-01 5.6519e+02 12:19:16 1998

reversed flow in 102 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 8239 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 385 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 458160 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 139703 cells
     3 3.9258e-01 5.7994e-02 1.1090e-01 6.4207e-02 2.9962e+00 1.9281e+00 3.9688e+03 10:57:41 1997

reversed flow in 224 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 14753 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 8763 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 268938 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 130287 cells
     4 1.0000e+00 1.3121e-01 1.5936e-01 1.0391e-01 1.0302e+03 8.0000e-01 1.4165e+03  9:59:04 1996

reversed flow in 128 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 19559 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 19855 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 174369 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 123249 cells
     5 1.0000e+00 2.4230e-01 1.7419e-01 2.3668e-01 9.7517e+04 8.0000e-01 8.4155e-01  9:05:31 1995

reversed flow in 176 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 28251 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 32085 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 75141 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 115119 cells
     6 1.6911e+00 1.9145e-01 2.8233e-01 2.9111e-01 7.5095e+03 8.0000e-01 7.9932e-01  8:22:39 1994

reversed flow in 144 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 29857 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 42643 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 25902 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 105433 cells
     7 1.9249e+00 1.4700e-01 1.5237e-01 1.2867e-01 3.3451e+04 8.0000e-01 7.9989e-01  7:48:21 1993

reversed flow in 162 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 39464 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 55175 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 19140 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 100550 cells
     8 2.5649e+00 7.6030e-02 1.5961e-01 1.0601e-01 7.9149e+03 8.0000e-01 7.9910e-01  7:20:54 1992

reversed flow in 162 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 44920 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 76122 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 21597 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 92305 cells
     9 5.1117e+00 7.3835e-02 1.4186e-01 9.3356e-02 4.7768e+03 8.0000e-01 7.9767e-01  7:05:33 1991

reversed flow in 166 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 49874 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 98106 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 24354 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 86734 cells
    10 6.8762e+00 6.3730e-02 8.6513e-02 8.7934e-02 5.1718e+04 8.0000e-01 7.9989e-01  6:46:36 1990

reversed flow in 137 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 79497 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 155171 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 34296 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 88845 cells
    11 1.1081e+01 8.1879e-02 9.2742e-02 1.3404e-01 2.8302e+04 8.0000e-01 7.8736e-01  6:31:25 1989

reversed flow in 113 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 57002 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 169866 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 30393 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 78340 cells
  iter continuity x-velocity y-velocity z-velocity     energy          k    epsilon     time/iter
    12 5.3064e+01 1.1128e-01 1.1218e-01 1.1979e-01 3.5830e+05 8.0000e-01 7.9997e-01  6:19:14 1988

reversed flow in 47 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 57273 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 216769 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 29919 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 76718 cells
    13 4.0141e+01 1.7166e-01 7.7543e-02 1.8196e-01 8.1734e+05 8.0000e-01 7.9854e-01  6:16:06 1987

reversed flow in 15 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 57732 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 265976 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 30722 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 77103 cells
    14 7.5178e+01 2.0755e-01 8.1615e-02 1.8307e-01 1.8887e+06 8.0000e-01 7.9971e-01  6:06:56 1986

reversed flow in 12 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 59948 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 318637 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 32891 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 77855 cells
    15 1.7373e+02 1.7418e-01 4.0029e-02 6.1679e-02 1.1737e+09 8.0000e-01 7.9983e-01  5:59:34 1985

reversed flow in 14 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 62371 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 374305 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 34980 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 78720 cells
    16 3.2717e+02 4.5789e-01 1.3035e-01 1.1553e-01 4.2778e+08 8.0000e-01 8.0000e-01  6:00:15 1984

reversed flow in 10 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 65403 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 438088 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 37402 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 80703 cells
    17 6.1579e+02 2.0683e-01 6.6725e-02 6.7528e-02 2.1284e+08 8.0000e-01 7.9999e-01  5:54:09 1983

reversed flow in 19 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 70430 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 496303 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 40008 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 110342 cells
    18 2.4792e+03 1.1894e-01 5.0323e-02 5.9130e-02 1.2181e+09 8.0000e-01 7.9995e-01  5:49:15 1982

reversed flow in 15 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 116085 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 642182 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 43529 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 125237 cells
    19 7.1675e+03 2.9180e-01 1.0193e-01 1.0485e-01 9.6255e+08 8.0000e-01 8.0031e-01  5:51:54 1981

reversed flow in 23 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 107487 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 741565 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 47770 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 123735 cells
    20 2.4210e+04 8.8138e-02 3.0098e-02 3.1966e-02 4.1906e+09 8.0000e-01 8.5336e-01  5:47:22 1980

reversed flow in 24 faces on pressure-outlet 5.
temperature limited to 1.000000e+000 in 131527 cells on zone 2 in domain 1
  temperature limited to 5.000000e+003 in 811108 cells on zone 2 in domain 1

absolute pressure limited to 1.000000e+000 in 52966 cells on zone 2

turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 1869417 cells

Error: > (greater-than): invalid argument [2]: wrong type [not a number]
Error Object: 1.#inf
啥原因呀？急得我都快疯了，跪求高手呀

scorpiohu

网格质量不好判断，你给的网格信息不全。
引起你计算的警告信息 有可能是你边界条件给的不合理。
你的模型都不给 只给了这么多警告信息，而且全是无用信息。
对于别人判断你的问题基本没用。

浪子轻狂

你那个网格质量＜0.8，不算太好，但还可以算。
下面的提示表明，湍流粘性和压力超限了，建议你可以把松弛因子改小一些再试试，也可能是初始化值给的不合理。
楼上说的有道理，你无用信息太多，既没描述问题，也没说明湍流参数的选取和设置，无法给出详细的意见。
要想解决问题，先学会如何提问吧。