|
[Sponsors] |
November 3, 2011, 11:52 |
overflow problem
|
#1 |
Senior Member
Join Date: Jul 2010
Posts: 152
Rep Power: 16 |
hello everyone,
================================================== ==================== OUTER LOOP ITERATION = 1 CPU SECONDS = 1.198E+03 ---------------------------------------------------------------------- | Equation | Rate | RMS Res | Max Res | Linear Solution | +----------------------+------+---------+---------+------------------+ | Wallscale | 0.00 | 2.2E-03 | 2.9E-02 | 29.3 8.9E-02 OK| +----------------------+------+---------+---------+------------------+ Parallel run: Received message from slave ----------------------------------------- Slave partition : 3 Slave routine : ErrAction Master location : RCVBUF,MSGTAG=1033 Message label : 001100279 Message follows below - : +--------------------------------------------------------------------+ | ERROR #001100279 has occurred in subroutine ErrAction. | | Message: | | Floating point exception: Overflow | | | | | | | | | | | +--------------------------------------------------------------------+ Parallel run: Received message from slave ----------------------------------------- Slave partition : 3 Slave routine : ErrAction Master location : RCVBUF,MSGTAG=1033 Message label : 001100279 Message follows below - : +--------------------------------------------------------------------+ | ERROR #001100279 has occurred in subroutine ErrAction. | | Message: | | Stopped in routine FPX: C_FPX_HANDLER | | | | | | | | | | | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | An error has occurred in cfx5solve: | | | | The ANSYS CFX solver exited with return code 1. No results file | | has been created. | +--------------------------------------------------------------------+ End of solution stage. I have a question. I always recieve this error from the solver and my question is: Does this message mean something certain or it is common message and can express any "bad setting"??? Thank all of you for any answers. |
|
November 3, 2011, 17:46 |
|
#2 |
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,872
Rep Power: 144 |
I need to write an FAQ on this, answered it hundreds of times.
Overflow error means the solver has diverged big-time. You need to improve the numerical stability. This could be improve mesh quality, better initial conditions, improperly set boundary conditions or physics. On rare occasions you need double precision numerics. |
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
area does not match neighbour by ... % -- possible face ordering problem | St.Pacholak | OpenFOAM | 11 | September 4, 2024 05:28 |
Problem in implementing cht | tilek | CFX | 3 | May 8, 2011 09:39 |
Adiabatic and Rotating wall (Convection problem) | ParodDav | CFX | 5 | April 29, 2007 20:13 |
overflow problem | bruno | CFX | 2 | November 26, 2006 17:28 |
Is this problem well posed? | Thomas P. Abraham | Main CFD Forum | 5 | September 8, 1999 15:52 |