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sy2315317

@sy2315317
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最新

  • OpenFOAM计算复杂外形报错
    S sy2315317

    求助,目前在使用hy2Foam求解器计算类似乘波体外形,已经计算过钝头算例可以得到收敛解。但目前计算外形相对复杂,二维计算,计算域为1*0.55m,网格数量42000。计算过程中经常报错,求问有没有什么调试建议。下面是报错信息。

    Mean and max Courant Numbers = 5.29417e-05 0.0491796
    deltaT = 3.99074e-11
    Time = 2.017990284e-06
    
    diagonal:  Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG:  Solving for N2, Initial residual = 0.000161695, Final residual = 3.0494e-13, No Iterations 1
    DILUPBiCG:  Solving for O2, Initial residual = 0.000148597, Final residual = 1.8029e-13, No Iterations 1
    DILUPBiCG:  Solving for NO, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG:  Solving for N, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG:  Solving for O, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal:  Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal:  Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
    smoothSolver:  Solving for Ux, Initial residual = 1.07385e-06, Final residual = 1.49309e-06, No Iterations 1000
    smoothSolver:  Solving for Uy, Initial residual = 8.83461e-07, Final residual = 1.19425e-06, No Iterations 1000
    diagonal:  Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0
    smoothSolver:  Solving for e, Initial residual = 2.94288e-05, Final residual = 3.15326e+222, No Iterations 400
    Attempt to use rho2ReactionThermo out of temperature range 11152 times during this iteration.
    	-1.64159e+236 < Tlow: 200
    Phase no 1.0  ExecutionTime = 3564.14 s  ClockTime = 3564 s  Iteration no 4641 (0.79 s)
    
    Mean and max Courant Numbers = 5.41311e-05 0.0489379
    deltaT = 4.07806e-11
    Time = 2.018031064e-06
    
    diagonal:  Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG:  Solving for N2, Initial residual = 0.000162296, Final residual = 1.67236e-16, No Iterations 2
    DILUPBiCG:  Solving for O2, Initial residual = 0.000148383, Final residual = 6.70388e-18, No Iterations 2
    DILUPBiCG:  Solving for NO, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG:  Solving for N, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG:  Solving for O, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal:  Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal:  Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
    #0  Foam::error::printStack(Foam::Ostream&) at ??:?
    #1  Foam::sigFpe::sigHandler(int) at ??:?
    #2  ? in "/lib/x86_64-linux-gnu/libc.so.6"
    #3  Foam::GaussSeidelSmoother::smooth(Foam::word const&, Foam::Field<double>&, Foam::lduMatrix const&, Foam::Field<double> const&, Foam::FieldField<Foam::Field, double> const&, Foam::UPtrList<Foam::lduInterfaceField const> const&, unsigned char, int) at ??:?
    #4  Foam::GaussSeidelSmoother::smooth(Foam::Field<double>&, Foam::Field<double> const&, unsigned char, int) const at ??:?
    #5  Foam::smoothSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:?
    #6  Foam::fvMatrix<Foam::Vector<double> >::solveSegregated(Foam::dictionary const&) at ??:?
    #7  Foam::fvMatrix<Foam::Vector<double> >::solveSegregatedOrCoupled(Foam::dictionary const&) at ??:?
    #8  Foam::fvMesh::solve(Foam::fvMatrix<Foam::Vector<double> >&, Foam::dictionary const&) const at ??:?
    #9  ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    #10  ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    #11  ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    #12  __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
    #13  ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    
    

  • 使用mapFields 操作更改网格计算出错
    S sy2315317

    @biaowai 在 使用mapFields 操作更改网格计算出错 中说:

    印象可以修改差值方式或者用mapFieldsPar试试

    我用的1706版本,尝试过修改差值方式还是不行。去试试mapFieldsPar。


  • 使用mapFields 操作更改网格计算出错
    S sy2315317

    @学流体的小明 确实是数据插值有问题,手动把右下角网格点数据改掉了,大概两行,一百多个点,现在可以跑起来了


  • 使用mapFields 操作更改网格计算出错
    S sy2315317

    计算域不变,边界条件不变,将12000个网格加密到15000个后,使用 mapFields -consistent ../sourceFolder 命令进行结果映射的时候,映射之后的场是这个样子,感觉分布不合理,是不是 mapFields 操作有问题。
    3a04469f-1d56-4bcd-ad13-d65c980d3061-a9df742554677a3bb8691fcfd22eeac.png


  • RamC驻点线上组分计算结果异常
    S sy2315317

    使用hy2Foam求解器做RamC模型验证,在驻点线画图时发现异常,组分质量分数结果使用线性坐标为正常曲线,如下所示。6f6a06b3-134f-4d53-be6f-85c18312c808-image.png
    但当转换为指数坐标时,曲线出现奇怪波动,请问是为什么呢?7e641883-94cd-4d05-bf9f-0405d67feb7d-image.png


  • 使用makeAxialMesh生成楔形网格后网格正交性变差
    S sy2315317

    但计算过程中会出现CFL数突然增大之后报错的问题Mean and max Courant Numbers = 0.0196702 0.2
    deltaT = 1.34917e-09
    Time = 1.381229231e-07

    diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG: Solving for N2, Initial residual = 0.102714, Final residual = 8.31435e-10, No Iterations 11
    DILUPBiCG: Solving for O2, Initial residual = 0.0998228, Final residual = 2.97854e-08, No Iterations 11
    DILUPBiCG: Solving for NO, Initial residual = 0.00103043, Final residual = 4.54498e-07, No Iterations 11
    DILUPBiCG: Solving for N2+, Initial residual = 0.157236, Final residual = 1.27729e-09, No Iterations 11
    DILUPBiCG: Solving for O2+, Initial residual = 0.157241, Final residual = 1.44374e-09, No Iterations 11
    DILUPBiCG: Solving for NO+, Initial residual = 0.157279, Final residual = 1.20494e-09, No Iterations 11
    DILUPBiCG: Solving for N, Initial residual = 0.00643012, Final residual = 4.19377e-07, No Iterations 11
    DILUPBiCG: Solving for O, Initial residual = 0.00193657, Final residual = 2.2919e-07, No Iterations 11
    DILUPBiCG: Solving for N+, Initial residual = 0.157174, Final residual = 1.12526e-09, No Iterations 11
    DILUPBiCG: Solving for O+, Initial residual = 0.156703, Final residual = 1.23372e-08, No Iterations 11
    DILUPBiCG: Solving for e-, Initial residual = 0.0591289, Final residual = 2.85246e-15, No Iterations 5
    diagonal: Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal: Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal: Solving for rhoUz, Initial residual = 0, Final residual = 0, No Iterations 0
    smoothSolver: Solving for Ux, Initial residual = 5.41102e-05, Final residual = 5.24963e-09, No Iterations 120
    smoothSolver: Solving for Uy, Initial residual = 0.00128686, Final residual = 1.27448e-07, No Iterations 160
    smoothSolver: Solving for Uz, Initial residual = 0.000139985, Final residual = 1.28962e-08, No Iterations 70
    diagonal: Solving for rhoEv, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal: Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0
    smoothSolver: Solving for hevel, Initial residual = 0.000257938, Final residual = 3.98118e-07, No Iterations 400
    smoothSolver: Solving for e, Initial residual = 0.00686842, Final residual = 6.70799e-06, No Iterations 140
    Attempt to use rho2ReactionThermo out of temperature range 139 times during this iteration.
     Thigh: 40000 < 640000
    Phase no 1.0 ExecutionTime = 4.97 s ClockTime = 5 s Iteration no 112 (0.04 s)

    Mean and max Courant Numbers = 0.0196515 0.552368
    deltaT = 4.88502e-10
    Time = 1.386114254e-07

    diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0
    DILUPBiCG: Solving for N2, Initial residual = 0.0831271, Final residual = 4.94891e-09, No Iterations 11
    DILUPBiCG: Solving for O2, Initial residual = 0.0830444, Final residual = 6.0302e-09, No Iterations 11
    DILUPBiCG: Solving for NO, Initial residual = 0.0225179, Final residual = 4.10796e-07, No Iterations 11
    DILUPBiCG: Solving for N2+, Initial residual = 0.070932, Final residual = 1.23497e-08, No Iterations 11
    DILUPBiCG: Solving for O2+, Initial residual = 0.0707959, Final residual = 1.16027e-08, No Iterations 11
    DILUPBiCG: Solving for NO+, Initial residual = 0.0712528, Final residual = 1.38649e-08, No Iterations 11
    DILUPBiCG: Solving for N, Initial residual = 0.117227, Final residual = 8.58776e-08, No Iterations 11
    DILUPBiCG: Solving for O, Initial residual = 0.209694, Final residual = 8.63459e-07, No Iterations 11
    DILUPBiCG: Solving for N+, Initial residual = 0.240723, Final residual = 1.5458e-05, No Iterations 11
    DILUPBiCG: Solving for O+, Initial residual = 0.0709349, Final residual = 3.14266e-08, No Iterations 11
    DILUPBiCG: Solving for e-, Initial residual = 0.0330941, Final residual = 7.94061e-14, No Iterations 3
    diagonal: Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal: Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal: Solving for rhoUz, Initial residual = 0, Final residual = 0, No Iterations 0
    smoothSolver: Solving for Ux, Initial residual = 1.89119e-05, Final residual = 1.65027e-09, No Iterations 70
    smoothSolver: Solving for Uy, Initial residual = 0.000264353, Final residual = 2.41377e-08, No Iterations 102
    smoothSolver: Solving for Uz, Initial residual = 5.29899e-05, Final residual = 5.01779e-09, No Iterations 70
    diagonal: Solving for rhoEv, Initial residual = 0, Final residual = 0, No Iterations 0
    diagonal: Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0
    smoothSolver: Solving for hevel, Initial residual = 0.278772, Final residual = 249.287, No Iterations 400
    smoothSolver: Solving for e, Initial residual = 0.00510102, Final residual = 1.56626e+32, No Iterations 400
    Attempt to use rho2ReactionThermo out of temperature range 3106 times during this iteration.
    -2.31822e+10 < Tlow: 200
     Thigh: 40000 < 3.66402e+10
    Phase no 1.0 ExecutionTime = 5.02 s ClockTime = 5 s Iteration no 113 (0.05 s)

    [10] #0 Foam::error::printStack(Foam::Ostream&)[9] #0 Foam::error::printStack(Foam::Ostream&) at ??:?
    at ??:?
    [9] #1 Foam::sigFpe::sigHandler(int)[10] #1 Foam::sigFpe::sigHandler(int) at ??:?
    [9] #2 ? at ??:?
    [10] #2 ? in "/lib/x86_64-linux-gnu/libc.so.6"
    [9] #3 Foam::sqrt(Foam::Field<double>&, Foam::UList<double> const&) in "/lib/x86_64-linux-gnu/libc.so.6"
    [10] #3 Foam::sqrt(Foam::Field<double>&, Foam::UList<double> const&) at ??:?
    [9] #4 Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > Foam::sqrt<Foam::fvPatchField, Foam::volMesh>(Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > const&) in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [9] #5 at ??:?
    [10] #4 ?Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > Foam::sqrt<Foam::fvPatchField, Foam::volMesh>(Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > const&) in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [9] #6 in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [10] #5 ?? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [9] #7 __libc_start_main in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [10] #6 in "/lib/x86_64-linux-gnu/libc.so.6"
    [9] #8 ?? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [10] #7 __libc_start_main in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [DESKTOP-N36BFE3:23240] *** Process received signal ***
    [DESKTOP-N36BFE3:23240] Signal: Floating point exception (8)
    [DESKTOP-N36BFE3:23240] Signal code: (-6)
    [DESKTOP-N36BFE3:23240] Failing at address: 0x3e800005ac8
    [DESKTOP-N36BFE3:23240] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7f49b1370090]
    [DESKTOP-N36BFE3:23240] [ 1] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7f49b137000b]
    [DESKTOP-N36BFE3:23240] [ 2] in "/lib/x86_64-linux-gnu/libc./lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7f49b1370090]
    [DESKTOP-N36BFE3:23240] [ 3] so.6"
    [10] #8 /home/sy/OpenFOAM/OpenFOAM-v1706/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZN4Foam4sqrtERNS_5FieldIdEERKNS_5UListIdEE+0x3a)[0x7f49b1f24b7a]
    [DESKTOP-N36BFE3:23240] [ 4] hy2Foam(ZN4Foam4sqrtINS_12fvPatchFieldENS_7volMeshEEENS_3tmpINS_14GeometricFieldIdT_T0_EEEERKS8+0x174)[0x55dafcc83f74]
    [DESKTOP-N36BFE3:23240] [ 5] hy2Foam(+0x3fed5)[0x55dafcc10ed5]
    [DESKTOP-N36BFE3:23240] [ 6] hy2Foam(+0x3464c)[0x55dafcc0564c]
    [DESKTOP-N36BFE3:23240] [ 7] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7f49b1351083]
    [DESKTOP-N36BFE3:23240] [ 8] hy2Foam(+0x35f1e)[0x55dafcc06f1e]
    [DESKTOP-N36BFE3:23240] *** End of error message ***
    ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [DESKTOP-N36BFE3:23241] *** Process received signal ***
    [DESKTOP-N36BFE3:23241] Signal: Floating point exception (8)
    [DESKTOP-N36BFE3:23241] Signal code: (-6)
    [DESKTOP-N36BFE3:23241] Failing at address: 0x3e800005ac9
    [DESKTOP-N36BFE3:23241] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7fb8d8d28090]
    [DESKTOP-N36BFE3:23241] [ 1] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7fb8d8d2800b]
    [DESKTOP-N36BFE3:23241] [ 2] /lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7fb8d8d28090]
    [DESKTOP-N36BFE3:23241] [ 3] /home/sy/OpenFOAM/OpenFOAM-v1706/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZN4Foam4sqrtERNS_5FieldIdEERKNS_5UListIdEE+0x3a)[0x7fb8d98dcb7a]
    [DESKTOP-N36BFE3:23241] [ 4] hy2Foam(ZN4Foam4sqrtINS_12fvPatchFieldENS_7volMeshEEENS_3tmpINS_14GeometricFieldIdT_T0_EEEERKS8+0x174)[0x55f634616f74]
    [DESKTOP-N36BFE3:23241] [ 5] hy2Foam(+0x3fed5)[0x55f6345a3ed5]
    [DESKTOP-N36BFE3:23241] [ 6] hy2Foam(+0x3464c)[0x55f63459864c]
    [DESKTOP-N36BFE3:23241] [ 7] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7fb8d8d09083]
    [DESKTOP-N36BFE3:23241] [ 8] hy2Foam(+0x35f1e)[0x55f634599f1e]
    [DESKTOP-N36BFE3:23241] *** End of error message ***

    Primary job terminated normally, but 1 process returned
    a non-zero exit code. Per user-direction, the job has been aborted.


    mpirun noticed that process rank 9 with PID 0 on node DESKTOP-N36BFE3 exited on signal 8 (Floating point exception).


  • 使用makeAxialMesh生成楔形网格后网格正交性变差
    S sy2315317

    已经解决了,需要在controlDic中修改输出精度,至少在12以上


  • 使用makeAxialMesh生成楔形网格后网格正交性变差
    S sy2315317

    使用pointwise输出二维网格,网格检查结果良好fafdaa8b-3460-48da-aac0-2f40cea6718c-image.png
    但是用
    makeAxialMesh -case ~/OpenFOAM/sy-v1706/run/00mesh -axis symmetry -wedge BaseAndTop
    collapseEdges指令生成楔形网格后检查网格质量,正交性变差,导致计算不断报错。
    32985f27-03ad-47cb-bfaf-b26cce83f1b1-image.png


  • openfoam并行运算报错
    S sy2315317

    想请教一下,相同算例直接计算可以得到收敛结果,但并行运算时算到大概一半时间时报错。下面是decomposeParDict文件和报错信息。fdce3ec9-55cc-4e40-ae91-cc9c1413f4f2-image.png
    报错信息.txt


  • open foam三维算例内场为什么一直是初值?
    S sy2315317

    @ShaneHEEE 设置的是从x方向流入 我再检查一下


  • open foam三维算例内场为什么一直是初值?
    S sy2315317

    @李东岳 好的,谢谢老师,我再检查看看


  • open foam三维算例内场为什么一直是初值?
    S sy2315317

    已经计算至0.001s,按照我设置的初始速度应该已经走过一半距离,但现在数值还是只存在与第一层网格。有点搞不懂到底是哪个部分出现了问题


  • open foam三维算例内场为什么一直是初值?
    S sy2315317

    不是标准算例 是自己建的模型 是可压缩流动


  • open foam三维算例内场为什么一直是初值?
    S sy2315317

    使用hy2Foam求解器计算三维翼型流场过程中出现内场维持初值不变的情况,建立一个简单的长方体算例出现相同情况,仅入口两层网格存在数值,下面是计算至0.001s的情况8c0f18ab-f4d3-4e96-ba26-d00e002bd84d-image.png 091744f6-990c-4ba1-919c-e626a94cd3b1-image.png 采用100x10x10的结构化网格,下面是入口,上面是出口,四周设置为零梯度条件。42c349b3-0da8-4149-993e-59125812899b-image.png
    6203d83a-5914-4146-8eae-4317e48c6485-image.png
    50093f20-c812-486b-a5df-87f609247cf6-image.png
    1dc73e03-4d6c-46ac-a41f-fbadd6e3fa12-image.png
    9b23ce6e-969f-47fa-94cd-cf97ef956115-image.png


  • OpenFOAM调用Fortran程序
    S sy2315317

    仿照https://www.cfd-online.com/Forums/openfoam-solving/60471-call-fortran-program-openfoam.html进行Fortran程序的调用,编译过程中报错: from chemistryModel/rho2ChemistryModel/rho2ChemistryModels.C:37:
    /home/sy/OpenFOAM/sy-v1706/src/thermophysicalModels/strath/strathSpecie/lnInclude/CEATransportI.H:152:7: error: expected constructor, destructor, or type conversion before ‘(’ token
    phypro(&TG, &TE, &PT, &PE, &CON[0], &CP_FINAL[0][0], &H_FINAL[0][0], &MIU_FINAL, &K_FINAL[0]);
    但仿照https://www.cnblogs.com/snake553/p/6962386.html编写C++程序可以实现Fortran程序的调用


  • 增加物性计算方法,但计算时报错
    S sy2315317

    增加了一种读取表格计算物性的方法,编译无报错但实际应用时显示下列报错信息eab5b1e7-fcb8-4b12-be0b-abecc65ae3fd-image.png


  • 使用hy2Foam求解器,更换bluntedCone算例网格便计算报错
    S sy2315317

    @Elysiumor 在 使用hy2Foam求解器,更换bluntedCone算例网格便计算报错 中说:

    @sy2315317 请问您按照官网操作,使用gnuplot可以实时查看残差吗

    不能,提示缺了一个库,但装不上


  • 使用hy2Foam求解器,更换bluntedCone算例网格便计算报错
    S sy2315317

    @Elysiumor 直接运算可以得出结果,没试过单线程,并行运算15小时左右


  • 使用hy2Foam求解器,更换bluntedCone算例网格便计算报错
    S sy2315317

    @Elysiumor 我也是照着官网教程安装的~


  • 使用hy2Foam求解器,更换bluntedCone算例网格便计算报错
    S sy2315317

    hy2Foam求解器的bluntedCone算例使用12万网格进行计算,计算时间较长。尝试使用pointwise绘制简化网格进行计算,分别使用400x150、300x100、150x50网格进行计算,正交性较好,均报错。下面是错误信息:
    Foam::rarefied<Foam::powerLawEuckenTransport<Foam::species::multiThermo<Foam::decoupledEnergyModesThermo<Foam::perfect2GasFoam::advancedSpecie >, Foam::sensible2InternalEnergy> > >::correct(Foam::GeometricField<Foam::Vector<double>, Foam::fvPatchField, Foam::volMesh> const&) at ??:?
    [1] #4 ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [1] #5 ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    [1] #6 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
    [1] #7 ? in "/home/sy/OpenFOAM/sy-v1706/platforms/linux64GccDPInt32Opt/bin/hy2Foam"
    使用正交性较差的60x100的网格结果可以计算,但激波位置一直发生变化。
    想问hy2Foam求解器对网格有什么要求?激波位置为什么会一直变化?

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