# Cavitation error: overflow

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 April 10, 2012, 22:32 Cavitation error: overflow #1 New Member   Sidda.John Join Date: Mar 2012 Posts: 5 Rep Power: 7 OUTER LOOP ITERATION = 9 CPU SECONDS = 1.994E+04 ---------------------------------------------------------------------- | Equation | Rate | RMS Res | Max Res | Linear Solution | +----------------------+------+---------+---------+------------------+ | U-Mom-water at 25 c | 0.39 | 4.7E-03 | 7.1E-02 | 2.0E+07 F | | V-Mom-water at 25 c | 0.06 | 1.6E-03 | 3.0E-02 | 1.1E+07 F | | W-Mom-water at 25 c | 0.13 | 3.0E-04 | 1.7E-02 | 3.1E+07 F | | U-Mom-ware vapour at | 0.00 | 7.6E-07 | 1.3E-04 | 4.3E+05 F | | V-Mom-ware vapour at | 0.00 | 3.5E-07 | 5.5E-05 | 4.4E+04 F | | W-Mom-ware vapour at | 0.00 | 9.7E-07 | 1.9E-04 | 3.0E+05 F | | P-Vol | 0.00 | 1.7E-06 | 2.0E-04 | 9.1 5.3E+05 F | +----------------------+------+---------+---------+------------------+ +--------------------------------------------------------------------+ | ****** Notice ****** | | A wall has been placed at portion(s) of an INLET | | boundary condition (at 100.0% of the faces, 100.0% of the area) | | to prevent fluid from flowing out of the domain. | | The boundary condition name is: inlet. | | The fluid name is: water at 25 c. | | If this situation persists, consider switching | | to an Opening type boundary condition instead. | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | ****** Notice ****** | | A wall has been placed at portion(s) of an INLET | | boundary condition (at 100.0% of the faces, 100.0% of the area) | | to prevent fluid from flowing out of the domain. | | The boundary condition name is: inlet. | | The fluid name is: ware vapour at 25 c. | | If this situation persists, consider switching | to an Opening type boundary condition instead. | +--------------------------------------------------------------------+ | Mass-water at 25 c | 0.94 | 3.5E-03 | 4.8E-01 | 11.3 1.4E-07 OK| | Mass-ware vapour at | 1.40 | 4.8E-03 | 8.1E-01 | 11.7 2.3E-07 OK| +----------------------+------+---------+---------+------------------+ | K-TurbKE-water at 25 | 0.91 | 2.0E-02 | 5.6E-01 | 11.1 5.5E-08 OK| | O-TurbFreq-water at | 0.70 | 8.8E-02 | 1.0E+00 | 7.1 1.2E-06 OK| +----------------------+------+---------+---------+------------------+ Parallel run: Received message from slave ----------------------------------------- Slave partition : 3 Slave routine : ErrAction Master location : RCVBUF,MSGTAG=1012 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=1012 Message label : 001100279 Message follows below - : +--------------------------------------------------------------------+ | ERROR #001100279 has occurred in subroutine ErrAction. | | Message: | | Stopped in routine 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. +--------------------------------------------------------------------+ | The following user files have been saved in the directory | | C:\Users\Z800\Documents\6p9403mm | | 20120327_3916_Working\dp0\CFX\CFX\Work1\Fluid Flow_001: | | | | mon | +--------------------------------------------------------------------+ This run of the ANSYS CFX Solver has finished. the warning occured suddenly, does anyone know how to solve this problem?

 April 15, 2012, 18:02 #2 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 14,319 Rep Power: 110 Your simulation has diverged. Do a search on the forum for "floating point error" for tips.

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