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FATAL ERROR: Max number of iterations exceeded |
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July 5, 2016, 16:55 |
FATAL ERROR: Max number of iterations exceeded
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#1 |
New Member
Henry
Join Date: May 2016
Posts: 15
Rep Power: 10 |
I've been having a lot of trouble tracing the source of this error. I know it happens in the thermoI.H file, but I can't trace what is calling that, or figure out any reason why this is happening.
The case i am running is a simple wedge (meshed with snappy hex mesh) inside a blockmesh region using rhoCentral foam. any help would be really appreciated this is the error log file Code:
/*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 3.0.1 | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : 3.0.1-119cac7e8750 Exec : rhoCentralFoam -parallel Date : Jul 01 2016 Time : 12:54:38 Host : "cfd01" PID : 30359 Case : /----/wedge15maxIterError nProcs : 36 Slaves : 35 ( "cfd01.30360" "cfd01.30361" "cfd01.30362" "cfd01.30363" "cfd01.30364" "cfd01.30365" "cfd01.30366" "cfd01.30367" "cfd01.30368" "cfd01.30369" "cfd01.30370" "cfd02.26571" "cfd02.26572" "cfd02.26573" "cfd02.26574" "cfd02.26575" "cfd02.26576" "cfd02.26577" "cfd02.26578" "cfd02.26579" "cfd02.26580" "cfd02.26581" "cfd02.26582" "cfd03.29133" "cfd03.29134" "cfd03.29135" "cfd03.29136" "cfd03.29137" "cfd03.29138" "cfd03.29139" "cfd03.29140" "cfd03.29141" "cfd03.29142" "cfd03.29143" "cfd03.29144" ) Pstream initialized with: floatTransfer : 0 nProcsSimpleSum : 0 commsType : nonBlocking polling iterations : 0 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create mesh for time = 0 Reading thermophysical properties Selecting thermodynamics package { type hePsiThermo; mixture pureMixture; transport const; thermo hConst; equationOfState perfectGas; specie specie; energy sensibleInternalEnergy; } Reading field U Creating turbulence model Selecting turbulence model type laminar fluxScheme: Kurganov Starting time loop Mean and max Courant Numbers = 0.00521015 0.119072 deltaT = 2.4e-06 Time = 2.4e-06 diagonal: Solving for rho, 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 diagonal: Solving for rhoUz, Initial residual = 0, Final residual = 0, No Iterations 0 smoothSolver: Solving for Ux, Initial residual = 0.999285, Final residual = 0.00389594, No Iterations 5 smoothSolver: Solving for Uy, Initial residual = 0.999999, Final residual = 8.69665e-17, No Iterations 5 smoothSolver: Solving for Uz, Initial residual = 1, Final residual = 8.81879e-17, No Iterations 5 diagonal: Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0 smoothSolver: Solving for e, Initial residual = 1.46977e-11, Final residual = 1.46977e-11, No Iterations 0 ExecutionTime = 0.68 s ClockTime = 1 s Mean and max Courant Numbers = 0.00625242 0.142579 deltaT = 2.88e-06 Time = 5.28e-06 diagonal: Solving for rho, 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 diagonal: Solving for rhoUz, Initial residual = 0, Final residual = 0, No Iterations 0 smoothSolver: Solving for Ux, Initial residual = 6.23273e-10, Final residual = 6.23273e-10, No Iterations 0 smoothSolver: Solving for Uy, Initial residual = 1.24042e-05, Final residual = 6.5351e-18, No Iterations 5 smoothSolver: Solving for Uz, Initial residual = 0.00028774, Final residual = 4.85118e-17, No Iterations 5 diagonal: Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0 smoothSolver: Solving for e, Initial residual = 5.7298e-12, Final residual = 5.7298e-12, No Iterations 0 [0] [1] [1] [1] --> FOAM FATAL ERROR: [1] Maximum number of iterations exceeded [1] [1] From function Foam::scalar Foam::species::thermo<Thermo, Type>::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo<Thermo, Type>::*)(Foam::scalar, Foam::scalar)const, Foam::scalar (Foam::species::thermo<Thermo, Type>::*)(Foam::scalar, Foam::scalar)const, Foam::scalar (Foam::species::thermo<Thermo, Type>::*)(Foam::scalar)const) const [with Thermo = Foam::hConstThermo<Foam::perfectGas<Foam::specie> >; Type = Foam::sensibleInternalEnergy; Foam::scalar = double; Foam::species::thermo<Thermo, Type> = Foam::species::thermo<Foam::hConstThermo<Foam::perfectGas<Foam::specie> >, Foam::sensibleInternalEnergy>] [1] in file /home/openfoam/OpenFOAM/OpenFOAM-3.0.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. [1] FOAM parallel run aborting [1] [2] [2] [2] --> FOAM FATAL ERROR: [3] [3] [3] --> FOAM FATAL ERROR: [3] Maximum number of iterations exceeded [3] [3] From function Foam::scalar Foam::species::thermo<Thermo, Type>::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo<Thermo, Type>::*)(Foam::scalar, Foam::scalar)const, Foam::scalar (Foam::species::thermo<Thermo, Type>::*)(Foam::scalar, Foam::scalar)const, Foam::scalar (Foam::species::thermo<Thermo, Type>::*)(Foam::scalar)const) const [with Thermo = Foam::hConstThermo<Foam::perfectGas<Foam::specie> >; Type = Foam::sensibleInternalEnergy; Foam::scalar = double; Foam::species::thermo<Thermo, Type> = Foam::species::thermo<Foam::hConstThermo<Foam::perfectGas<Foam::specie> >, Foam::sensibleInternalEnergy>] [3] in file /home/openfoam/OpenFOAM/OpenFOAM-3.0.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66[7] [7] [7] --> FOAM FATAL ERROR: [7] Maximum number of iterations exceeded [7] . p: Code:
dimensions [1 -1 -2 0 0 0 0]; internalField uniform 18822.7; boundaryField { inlet { type fixedValue; value uniform 18822.7; } outlet { type zeroGradient; } airplane { type zeroGradient; } bottom { type zeroGradient; } top { type zeroGradient; } symmetry { type symmetryPlane; } left { type zeroGradient; } defaultFaces { type zeroGradient; } } Code:
dimensions [0 0 0 1 0 0 0]; internalField uniform 216.65; boundaryField { inlet { type fixedValue; value uniform 216.65; } outlet { type zeroGradient; } airplane { type zeroGradient; } bottom { type zeroGradient; } top { type zeroGradient; } left { type zeroGradient; } symmetry { type symmetryPlane; } defaultFaces { type zeroGradient; } } Code:
dimensions [0 1 -1 0 0 0 0]; internalField uniform (400 0 0); //(246.933 0 0); boundaryField { inlet { type fixedValue; value uniform (400 0 0); //(246.933 0 0); } outlet { type zeroGradient; } airplane { type slip; } bottom { type zeroGradient; } top { type zeroGradient; } left { type zeroGradient; } symmetry { type symmetryPlane; } defaultFaces { type zeroGradient; } } |
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July 6, 2016, 17:02 |
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#2 |
New Member
Henry
Join Date: May 2016
Posts: 15
Rep Power: 10 |
Also, I changed the boundary conditions to supersonicFreestream and waveTransmissive in hopes that that would help, but i am getting the same problem.
I have my entire post-run case directory on dropbox, with the error located in the log.rho file https://www.dropbox.com/sh/7fvzzazmx...liXvZj0ga?dl=0 Does anyone have any ideas what the problem is? |
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March 15, 2019, 09:15 |
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#3 | |
New Member
Hao Li
Join Date: May 2017
Posts: 7
Rep Power: 9 |
Quote:
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May 13, 2022, 15:55 |
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#4 |
New Member
Fuad Hasibul Hasan
Join Date: Feb 2022
Location: Dhaka, Bangladesh
Posts: 7
Rep Power: 4 |
Hi,
Have you solved this issue? I'm facing a similar error. I've been working on this error for more than a week but could not solve this yet. Please share if you did. In my observation after trying a lot of things is that they are may be a unit problem of the initial and boundary conditions and thermophysical properties. The tutorial cases use the normalized parameters and as soon as I change them to S.I. units like here it causes this error. |
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