# floating-point exception

 Register Blogs Members List Search Today's Posts Mark Forums Read

 March 11, 2014, 13:35 floating-point exception #1 Member   Tommy Sp Join Date: Jan 2014 Posts: 51 Rep Power: 3 I typed in my icoFoam simulation ... but during the solution of the problem for me a strange error occurred ... could someone help me? Time = 0.02 Courant Number mean: 4.68652 max: 147.282 smoothSolver: Solving for Ux, Initial residual = 0.684281, Final residual = 9.81462e-06, No Iterations 358 smoothSolver: Solving for Uy, Initial residual = 0.703995, Final residual = 9.75952e-06, No Iterations 328 smoothSolver: Solving for Uz, Initial residual = 0.667195, Final residual = 9.90306e-06, No Iterations 192 DICPCG: Solving for p, Initial residual = 0.986274, Final residual = 8.25583e-07, No Iterations 568 time step continuity errors : sum local = 3.36085e-05, global = 1.625e-07, cumulative = 2.27159e-07 DICPCG: Solving for p, Initial residual = 0.25685, Final residual = 7.96574e-07, No Iterations 561 time step continuity errors : sum local = 8.31849e-05, global = -4.63043e-07, cumulative = -2.35884e-07 ExecutionTime = 30.92 s ClockTime = 31 s Time = 0.025 Courant Number mean: 47.9784 max: 1456.76 #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&, Foam::lduMatrix const&, Foam::Field const&, Foam::FieldField const&, Foam::UPtrList const&, unsigned char, int) at ??:? #4 Foam::symGaussSeidelSmoother::smooth(Foam::Field&, Foam::Field const&, unsigned char, int) const at ??:? #5 Foam::smoothSolver::solve(Foam::Field&, Foam::Field 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 ??:? Exceção de ponto flutuante (imagem do núcleo gravada) MY OBSERVATION>>>GOOGLE TRANSLATOR Exceção de ponto flutuante (imagem do núcleo gravada) = floating-point exception (core image recorded) ANYONE KNOWS WHAT THIS MEANS?? HOW TO FIX IT?? THANKS ALL!

March 12, 2014, 05:22
#2
Senior Member

Alexey Matveichev
Join Date: Aug 2011
Location: Nancy, France
Posts: 1,235
Rep Power: 21
Quote:
 Originally Posted by vitorspadeto Time = 0.025 Courant Number mean: 47.9784 max: 1456.76 #0 Foam::error:rintStack(Foam::Ostream&) at ??:?
Don't you think 1456 is to much for Courant number? Check your initial and boundary conditions.

Quote:
 Exceção de ponto flutuante (imagem do núcleo gravada) MY OBSERVATION>>>GOOGLE TRANSLATOR Exceção de ponto flutuante (imagem do núcleo gravada) = floating-point exception (core image recorded)
This is rather usual message for the program that caught a terminating signal. So this message has actually nothing to do with your problem.

 Thread Tools Display Modes Linear Mode

 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 OffTrackbacks are On Pingbacks are On Refbacks are On Forum Rules

 Similar Threads Thread Thread Starter Forum Replies Last Post ebah6 OpenFOAM Running, Solving & CFD 8 May 13, 2013 09:01 Janshi STAR-CCM+ 4 March 14, 2012 11:21 sudhasran OpenFOAM Running, Solving & CFD 3 March 12, 2012 17:23 jochemvandenbosch OpenFOAM Running, Solving & CFD 4 February 16, 2012 04:24 Robert@cfd ANSYS Meshing & Geometry 20 November 11, 2011 05:59

All times are GMT -4. The time now is 23:46.