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-   -   Monitor solver (http://www.cfd-online.com/Forums/openfoam-solving/60517-monitor-solver.html)

tsjb00 August 19, 2005 14:20

Hi. I have a question about mo
 
Hi. I have a question about monitoring solver performance. It seems information of some solvers are displayed (such as residual and iteration), while others are not. How can I turn on monitoring the residual of a specific solver? Many thanks!

JB

henry August 19, 2005 14:29

Which solvers do you think are
 
Which solvers do you think are not displaying residuals?

tsjb00 August 19, 2005 14:43

Like the density equation for
 
Like the density equation for compressible flow.

henry August 19, 2005 14:46

That's a diagonal and source o
 
That's a diagonal and source only equation the exact solution of which is source/diagonal with a residual of 0 and no iterations so it didn't seem useful to print this information on the screen.

tsjb00 August 19, 2005 14:59

Thanks for your help! Just mak
 
Thanks for your help! Just make sure I get it right. Is it correct that the performace information of all solvers will be automatically displayed by calling 'solve' function?

JB

henry August 19, 2005 15:02

Yes provided it is switched on
 
Yes provided it is switched on in your .OpenFoam-1.1/controlDict file which it is by default:

lduMatrix 1;

tsjb00 August 19, 2005 15:28

Many thanks! Have a nice weeke
 
Many thanks! Have a nice weekend!


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