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Forum: OpenFOAM Running, Solving & CFD

October 27, 2015, 02:08

Replies: 18

PIMPLE pressure residual behaviour

Views: 5,174

Posted By fabian_roesler

I'd not say that it is a bug. The residuals show...

I'd not say that it is a bug. The residuals show the variation of the conserved quantity. By using more PIMPLE iterations, you can increase the Courant number what leads to a larger time step. The...

Forum: OpenFOAM Running, Solving & CFD

October 26, 2015, 05:09

Replies: 18

PIMPLE pressure residual behaviour

Views: 5,174

Posted By fabian_roesler

You are just plotting the first iteration...

You are just plotting the first iteration residual of your PIMPLE simulation.
When using high Courant Numbers and many PIMPLE iterations, the first residual will be high. However, the first residual...

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