|
[Sponsors] |
October 2, 2007, 23:05 |
Why do residuals increase
|
#1 |
Guest
Posts: n/a
|
For most problems, whenever the solver settings are changed, the residuals would shoot up but rapidly decrease before stabilizing at convergence. What does it mean if the rapid decrease is followed by a very very slow increase with respect to the number of iterations?
|
|
October 3, 2007, 18:59 |
Re: Why do residuals increase
|
#2 |
Guest
Posts: n/a
|
divergence
|
|
October 3, 2007, 19:35 |
Re: Why do residuals increase
|
#3 |
Guest
Posts: n/a
|
shouldn't divergence be rapid wrt iterations?
|
|
October 4, 2007, 18:43 |
Re: Why do residuals increase
|
#4 |
Guest
Posts: n/a
|
no can be gradual esp if low urf's
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
[Tutorials] Tutorial of how to plot residuals ! | wolle1982 | OpenFOAM Community Contributions | 171 | February 20, 2024 03:55 |
what to monitor besides residuals? | franzdrs | FLUENT | 5 | March 21, 2013 04:59 |
How can I increase Heat Transfer at Domain Interf? | B.Simon | CFX | 3 | October 28, 2008 19:53 |
Convergence - scaled vs unscaled residuals | HS | FLUENT | 1 | November 7, 2005 06:45 |
residuals | Karl | CFX | 2 | June 25, 2003 00:13 |