@bestucan 万分感谢!感谢赵老师,感谢您! 已经向您邮箱发了邮件zhou_hli@163.com
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Henry Zhou 发布的最新帖子
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群体平衡模型学习资料求推荐
请教下各位老师,最近想详细学习下群体平衡模型,包括模型的构建过程,模型求解方法,聚并、破碎、成核、生长、溶解核函数模型等内容,有哪些中英文学习资料可以学习?恳请各位老师推荐,谢谢!
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群体平衡模型学习资料
最近想详细学习下群体平衡模型,包括模型的构建,模型求解,聚并、破碎、成核、生长、溶解模型等内容,有哪些中英文学习资料可以看,麻烦各位老师推荐一下,谢谢啦!
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分散相体积分数增加,报错!
multiphaseEulerfoam,低离散相分数的时候,没问题,离散相增加到0.35,就报错,尝试修改了边界条件、相间作用力模型、离散格式和网格都无果,差别就是跑的时间长短,最终都发散报错如下:
[8] #0 Foam::error::printStack(Foam::Ostream&) at ??:? [8] #1 Foam::sigFpe::sigHandler(int) at ??:? [8] #2 ? in "/lib/x86_64-linux-gnu/libc.so.6" [8] #3 Foam::divide(Foam::Field<double>&, Foam::UList<double> const&, Foam::UList<double> const&) at ??:? [8] #4 Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > Foam::operator/<Foam::fvPatchField, Foam::volMesh>(Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > const&, Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> const&) in "/home/zhl/OpenFOAM/OpenFOAM-8/platforms/linux64GccDPInt32Opt/bin/multiphaseEulerFoam" [8] #5 Foam::PhaseCompressibleMomentumTransportModel<Foam::phaseModel>::nu() const at ??:? [8] #6 Foam::RASModels::kEpsilon<Foam::PhaseCompressibleMomentumTransportModel<Foam::phaseModel> >::correct() at ??:? [8] #7 Foam::phaseSystem::correctTurbulence() at ??:? [8] #8 ? in "/home/zhl/OpenFOAM/OpenFOAM-8/platforms/linux64GccDPInt32Opt/bin/multiphaseEulerFoam" [8] #9 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" [8] #10 ?[ubuntu:09382] *** Process received signal *** 或者这样: [8] #0 Foam::error::printStack(Foam::Ostream&) at ??:? [8] #1 Foam::sigFpe::sigHandler(int) at ??:? [8] #2 ? in "/lib/x86_64-linux-gnu/libc.so.6" [8] #3 Foam::divide(Foam::Field<double>&, Foam::UList<double> const&, Foam::UList<double> const&) at ??:? [8] #4 Foam::operator/(Foam::tmp<Foam::Field<double> > const&, Foam::UList<double> const&) at ??:? [8] #5 Foam::PhaseCompressibleMomentumTransportModel<Foam::phaseModel>::nu(int) const at ??:? [8] #6 Foam::epsilonWallFunctionFvPatchScalarField::calculate(Foam::momentumTransportModel const&, Foam::List<double> const&, Foam::fvPatch const&, Foam::Field<double>&, Foam::Field<double>&) at ??:? [8] #7 Foam::epsilonWallFunctionFvPatchScalarField::calculateTurbulenceFields(Foam::momentumTransportModel const&, Foam::Field<double>&, Foam::Field<double>&) at ??:? [8] #8 Foam::epsilonWallFunctionFvPatchScalarField::updateCoeffs() at ??:? [8] #9 Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh>::Boundary::updateCoeffs() at ??:? [8] #10 Foam::RASModels::kEpsilon<Foam::PhaseCompressibleMomentumTransportModel<Foam::phaseModel> >::correct() at ??:? [8] #11 Foam::phaseSystem::correctTurbulence() at ??:? [8] #12 ? in "/home/zhl/OpenFOAM/OpenFOAM-8/platforms/linux64GccDPInt32Opt/bin/multiphaseEulerFoam" [8] #13 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" [8] #14 ?[ubuntu:07707] *** Process received signal *** 求大神指点一二!
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multiphaseEuler中湍流模型
请教下各位老师,在multiphaseEuler中湍流模型设置中,经产看到:
simulationType RAS; RAS { RASModel kEpsilon; turbulence on; printCoeffs on; } LES { LESModel NicenoKEqn; turbulence on; printCoeffs on; delta cubeRootVol; cubeRootVolCoeffs { } }
或者:
simulationType laminar; RAS { RASModel continuousGasKEpsilon; turbulence off; printCoeffs on; }
类似的设置,不太明白已经是RAS或者 laminar了,下边的LES和RAS有何作用?
非常感谢老师们赐教。 -
RE: 初始粒径对结果中平均直径的影响有多大
@李东岳 文献中实验结果有平均直径数据,入口处给的是各相的体积分数, 大小范围可以参考结果,不知道初始粒径分布怎们给。另外液滴聚并用的CT模型,破碎用的LuoSvendsen,不知道合理不。非常感谢李老师的解答!
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初始粒径对结果中平均直径的影响有多大
各位老师好!我在用multiphaseEulerFoam中pbm模型模拟液滴或者气泡聚并破碎,初始粒径的范围和分布,对平均直径的结果影响有多大?如果没有实验数据,该如何设置初始粒径的范围和分布呢?再有,一般要多少时间流动可以稳定?各位老师有没有好的经验。
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液固两相流中颗粒相的粘度模型应该如何设置?
在文献中看到一个颗粒相的粘度模型,随着颗粒相的体积分数变化。形式如下:
。请教下各位老师,这个在哪里设置?或者在哪里植入。现在完全没有思路
,请各位老师不吝赐教!