CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > OpenFOAM > OpenFOAM Running, Solving & CFD

Erro during run the solver..

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   August 25, 2016, 02:05
Default Erro during run the solver..
  #1
New Member
 
mohd nor hazwan bin hadzir
Join Date: May 2016
Posts: 8
Rep Power: 10
M.N Hazwan Hadzir is on a distinguished road
Hai all, im Hazwan, im new in OpenFoam usage,

i got some problem during im running the solver in MHD..

anybody have involve in this kind of problem??


Courant Number mean: 18740.4 max: 2.49723e+06
smoothSolver: Solving for Ux, Initial residual = 0.670023, Final residual = 9.80478e-06, No Iterations 193
smoothSolver: Solving for Uy, Initial residual = 0.846497, Final residual = 9.9397e-06, No Iterations 70
DICPCG: Solving for p, Initial residual = 0.988061, Final residual = 7.26658e-07, No Iterations 392
time step continuity errors : sum local = 0.0726019, global = -0.00074038, cumulative = -0.000826256
DICPCG: Solving for p, Initial residual = 0.28924, Final residual = 4.96783e-07, No Iterations 391
time step continuity errors : sum local = 0.0742087, global = 0.00076225, cumulative = -6.40061e-05
DICPCG: Solving for p, Initial residual = 0.205221, Final residual = 3.70875e-07, No Iterations 391
time step continuity errors : sum local = 0.0385866, global = 0.000402648, cumulative = 0.000338642
#0 Foam::error:rintStack(Foam::Ostream&) at ??:?
#1 Foam::sigFpe::sigHandler(int) at ??:?
#2 ? in "/lib/x86_64-linux-gnu/libc.so.6"
#3 Foam::symGaussSeidelSmoother::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::symGaussSeidelSmoother::smooth(Foam::Field<d ouble>&, 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 ? at ??:?
#7 ? at ??:?
#8 ? at ??:?
#9 ? at ??:?
#10 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
#11 ? at ??:?
Floating point exception (core dumped)
M.N Hazwan Hadzir is offline   Reply With Quote

Old   August 28, 2016, 23:47
Default Courant number
  #2
New Member
 
Maryam
Join Date: Dec 2015
Posts: 13
Rep Power: 10
Persia is on a distinguished road
Change your time step to make sure that your Courant number stays below 1.
Persia is offline   Reply With Quote

Reply

Tags
courant number, mhdfoam


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
[ANSYS Meshing] Help with element size sandri_92 ANSYS Meshing & Geometry 14 November 14, 2018 08:54
Pinning the processors in cluster to run a solver coolcrasher OpenFOAM Running, Solving & CFD 0 November 5, 2015 07:11
new Solver won't run parallel Chris Lucas OpenFOAM 4 January 10, 2012 11:30
HOW can I run a solver without installatiom waynezw0618 OpenFOAM Installation 1 December 12, 2007 01:39
Help, can't stop solver run...Windows OS ben akih CFX 2 November 13, 2006 11:05


All times are GMT -4. The time now is 14:36.