不具普遍性

1.

size of the communicator(5) is smalller than the size of Cartesian topology(10)

原因：parallel.ini忘记改成跟切分的时候一致了。

2.

Fatal error in MPI_Sendrecv: Message truncated, error stack:
MPI_Sendrecv(230).................: MPI_Sendrecv(sbuf=0x39837f0, scount=5776, MPI_BYTE, dest=4, stag=4, rbuf=0x3984e90, rcount=5776, MPI_BYTE, src=2, rtag=4, MPI_COMM_WORLD, status=0x715430) failed
MPIDI_CH3U_Receive_data_found(129): Message from rank 2 and tag 4 truncated; 55696 bytes received but buffer size is 5776

原因：boundbox.ini输出错了，应该要保持和颗粒网格大小一致，可以手动运行到这一步，手动改，之后再想想咋解决一步完成。最主要就是还是传递的信息确实大小不对。

3.

/rebuild.sh line 11: patch: command not found

原因：由于有些计算节点没有patch工具包，解决方法在openfoam wmake编译时节点没有patch_imastrid的博客-CSDN博客

4.

boundary文件中有些边界没读到，是因为distributor是shared为关键词，make.sh文件中句子可以修改：

###--- Make boundary types. ---###
checkMesh | grep "singly connected\|shared edge" > tempfile1

5.

Time = 0
Courant Number mean: 3.01246e-05 max: 0.0365493
DILUPBiCG:  Solving for Ux, Initial residual = nan, Final residual = nan, No Iterations 1001
DILUPBiCG:  Solving for Uy, Initial residual = nan, Final residual = nan, No Iterations 1001
DILUPBiCG:  Solving for Uz, Initial residual = nan, Final residual = nan, No Iterations 1001
GAMGPCG:  Solving for p, Initial residual = nan, Final residual = nan, No Iterations 11
GAMGPCG:  Solving for p, Initial residual = nan, Final residual = nan, No Iterations 11
[0]
[0]
[0] --> FOAM FATAL IO ERROR:
[0] wrong token type - expected Scalar, found on line 0 the word 'nan'
[0]
[0] [1] [4]
[4]
[4] --> FOAM FATAL IO ERROR: file: /ncsfs02/yyxie/parallel120/parallel120_test/processor0/system/data.solverPerformance.p at line 0.
[0]
[0]     From function operator>>(Istream&, Scalar&)
[0]     in file lnInclude/Scalar.C at line
[4] wrong token type - expected Scalar, found on line 0 the word 'nan'
[4]
[4] file: /ncsfs02/yyxie/parallel120/parallel120_test/processor4/system/data.solverPerformance.p at line 0.
[4]
[4]     From function operator>>(Istream&, Scalar&)93.
[0]
FOAM parallel run exiting
[0]

原因：第一步就出问题，应该是前面设置就出错了。居然是节点的问题...k208的求解器不能求解PISO...具体不清楚是为啥，但是我换成别的节点就行了，比如k228等等

6.

Time = 0.303
Courant Number mean: 9.6689e+25 max: 2.61778e+32
DILUPBiCG:  Solving for Ux, Initial residual = 1, Final residual = 0.000786645, No Iterations 67
DILUPBiCG:  Solving for Uy, Initial residual = 1, Final residual = 0.000918154, No Iterations 66
DILUPBiCG:  Solving for Uz, Initial residual = 1, Final residual = 0.000712793, No Iterations 67
GAMGPCG:  Solving for p, Initial residual = 1, Final residual = nan, No Iterations 11
GAMGPCG:  Solving for p, Initial residual = nan, Final residual = nan, No Iterations 11
[2]
[2]
[8]
[8]
[8] --> FOAM FATAL IO ERROR:
[8] wrong token type - expected Scalar, found on line 0 the word 'nan'
[6] [1] [0] [2] --> FOAM FATAL IO ERROR:
[2] wrong token type - expected Scalar, found on line 0 the word 'nan'
[2]
[2] file: /ncsfs02/yyxie/parallel120/parallel120/processor2/system/data.solverPerformance.p at line 0.
[2]
[2]     From function operator>>(Istream&, Scalar&)
[2] [9]
[9]
[9] --> FOAM FATAL IO ERROR:
[9] wrong token type - expected Scalar, found on line 0 the word 'nan'
[9]
[9] file: /ncsfs02/yyxie/parallel120/parallel120/processor9/system/data.solverPerformance.p at line 0.
[9]
[9]     From function operator>>(Istream&, Scalar&)
[9]     in file lnInclude/Scalar.C at line 93.
[9]
FOAM parallel run exiting
[9]

原因：这个是算到某一步就是nan了。。。应该是不收敛。正在思考怎么解决。

发现换成别的节点，0时刻的计算都会不一样。而且没有开头的报错句子：

sh: numactl: command not found
sh: numactl: command not found
sh: numactl: command not found

由于5个进程，3个在k208跑的，2个在183跑。应该是k208没这个command，因此有可能不收敛和它有关系。好像不是这个问题，救命。而且这个command not found现在在任何节点也没有报了。。。可能又是节点暂时抽风吧。

一些影响收敛的总结，最后有不收敛的一些可能因素：

openfoam串行收敛，并行不收敛_imastrid的博客-CSDN博客

发现是solid stress的参数没设置对，pstar改成10能收敛。还需要搜更多文献来判断一般用什么值好。也不是这个原因。。。。。继续排查

最后总结：基本都是因为颗粒堆积（即颗粒太多或者速度不够）或者节点抽风问题。

最终问题已经排查出来了：这些颗粒堆积主要是因为，并行边界的流体网格和颗粒网格不匹配，使得边界颗粒分配错区域，然后又没有被删掉。

7.

想要分多几块区域并行计算，想提高计算速度，但是运行总出现以下问题：

Starting time loopTime = 0
Courant Number mean: 8.2246e-05 max: 0.0997866
rank: 4, Number of outside parcels is: 0
rank: 5, Number of outside parcels is: 0
rank: 0, Number of outside parcels is: 0
rank: 1, Number of outside parcels is: 0
rank: 3, Number of outside parcels is: 0
rank: 2, Number of outside parcels is: 0
DILUPBiCG:  Solving for Ux, Initial residual = 1, Final residual = 1.40667e-11, No Iterations 1
DILUPBiCG:  Solving for Uy, Initial residual = 1, Final residual = 1.13372e-11, No Iterations 1
DILUPBiCG:  Solving for Uz, Initial residual = 1, Final residual = 1.16978e-11, No Iterations 1
GAMGPCG:  Solving for p, Initial residual = 1, Final residual = 5.76869e-05, No Iterations 7
GAMGPCG:  Solving for p, Initial residual = 0.111191, Final residual = 6.28914e-05, No Iterations 2
time step continuity errors : sum local = 5.5144e-06, global = 1.90473e-09, cumulative = 1.90473e-09
GAMGPCG:  Solving for p, Initial residual = 0.0188875, Final residual = 2.26998e-05, No Iterations 3
GAMGPCG:  Solving for p, Initial residual = 0.00571711, Final residual = 4.39705e-07, No Iterations 3
time step continuity errors : sum local = 4.29642e-08, global = -4.2329e-11, cumulative = 1.8624e-09
[1] #0  Foam::error::printStack(Foam::Ostream&)sh: addr2line: command not foundaddr2line failed
[1] #1  Foam::sigSegv::sigHandler(int)sh: addr2line: command not foundaddr2line failed
[1] #2  ?sh: addr2line: command not foundaddr2line failed
[1] #3  sh: which: command not found
?
[1] #4  __libc_start_mainsh: addr2line: command not foundaddr2line failed
[1] #5  sh: which: command not found
?
APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)

或者

Starting time loopTime = 0
Courant Number mean: 0.188764 max: 3.95571
rank: 4, Number of outside parcels is: 0
rank: 5, Number of outside parcels is: 0
rank: 0, Number of outside parcels is: 0
rank: 1, Number of outside parcels is: 0
rank: 3, Number of outside parcels is: 0
rank: 2, Number of outside parcels is: 0
DILUPBiCG:  Solving for Ux, Initial residual = 1, Final residual = 8.13386e-05, No Iterations 3
DILUPBiCG:  Solving for Uy, Initial residual = 1, Final residual = 0.000307587, No Iterations 3
DILUPBiCG:  Solving for Uz, Initial residual = 1, Final residual = 8.44655e-05, No Iterations 3
GAMGPCG:  Solving for p, Initial residual = 1, Final residual = 2.99442e-05, No Iterations 5
GAMGPCG:  Solving for p, Initial residual = 0.263998, Final residual = 9.31053e-06, No Iterations 3
time step continuity errors : sum local = 8.98934e-07, global = -2.99344e-09, cumulative = -2.99344e-09
GAMGPCG:  Solving for p, Initial residual = 0.0625925, Final residual = 1.21207e-05, No Iterations 4
GAMGPCG:  Solving for p, Initial residual = 0.0745601, Final residual = 2.57919e-07, No Iterations 4
time step continuity errors : sum local = 2.60687e-08, global = 4.84023e-11, cumulative = -2.94504e-09
APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)

都是：

APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)

这句话，我不知道为啥。

目前排查，感觉主要是因为前处理画网格的时候就没把网格画好，在一些地方有不合格的网格，用这句检查：

checkMesh -allGeometry -allTopology

会出现：

有一句：Cells with small determinant(< 0.001) found, number of cells: 400

再运行这一句，然后用paraview查看这些cells在哪：

foamToVTK -cellSet underdeterminedCells

发现是在分布板那的网格，不知道这些网格被挑出来会怎么处理。感觉有可能和它们有关。

但也不一定。头大。因为，不在分布板这切割并行区域，它也不行。

还是同样的问题，出现在切分圆柱案例时，想不通为啥：


Parameters for reinserting.XMIN = -0.127
YMIN = -0.127
ZMIN = 0
XMAX = 0.127
YMAX = 0.127
ZMAX = 0.1
U    = 0
V    = 0
W    = 0
[0] #0  Foam::error::printStack(Foam::Ostream&) at ??:?
[0] #1  Foam::sigSegv::sigHandler(int) at ??:?
[0] #2  ? in "/lib64/libpthread.so.0"
[0] #3  ? at ??:?
[0] #4  ? at ??:?
[0] #5  ? at mppic/inter-phase/transParameters.H:15
[0] #6  __libc_start_main in "/lib64/libc.so.6"
[0] #7  ? at ??:?
APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)

Parameters for reinserting.XMIN = -0.127
YMIN = -0.127
ZMIN = 0
XMAX = 0.127
YMAX = 0.127
ZMAX = 0.1
U    = 0
V    = 0
W    = 0
[2] #0  Foam::error::printStack(Foam::Ostream&)[1] #0  Foam::error::printStack(Foam::Ostream&) in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[2] #1  Foam::sigSegv::sigHandler(int) in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[1] #1  Foam::sigSegv::sigHandler(int) in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[2] #2  ? in "/lib64/libpthread.so.0"
[2] #3   in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[1] #2  ?? in "/lib64/libpthread.so.0"
[1] #3  ? in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
[2] #4   in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
[1] #4  ?? in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
[2] #5  ? in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
[1] #5  ?[0] #0  Foam::error::printStack(Foam::Ostream&) in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[0] #1  Foam::sigSegv::sigHandler(int) in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[0] #2  ? in "/lib64/libpthread.so.0"
[0] #3  ? at mppic/inter-phase/transParameters.H:15
[2] #6  __libc_start_main at mppic/inter-phase/transParameters.H:15
[1] #6  __libc_start_main in "/lib64/libc.so.6"
[2] #7  ? in "/lib64/libc.so.6"
[1] #7  [3] #0  Foam::error::printStack(Foam::Ostream&)? in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[3] #1  Foam::sigSegv::sigHandler(int)[4] #0  Foam::error::printStack(Foam::Ostream&) in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[3] #2  ? in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[4] #1  Foam::sigSegv::sigHandler(int) in "/lib64/libpthread.so.0"
[3] #3   in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
[0] #4  ?? in "/opt/OpenFOAM/OpenFOAM-2.3.x/platforms/linux64IccDPOpt/lib/libOpenFOAM.so"
[4] #2  ? in "/lib64/libpthread.so.0"
[4] #3   in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
? in "/ncsfs02/yyxie/testReactionMPI/Li-MPI/main"
APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)

过了大半年了，好像有点知道为啥了。在mapping的时候，有些区域的最大映射数已经超过我所设置的最大映射数了。

还是不行。。。。好有毒。大爷的

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openfoam一些报错的原因（持续更新）

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