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Search took 0.00 seconds. Search: Posts Made By: dhuckaby
Forum: OpenFOAM January 6, 2010, 12:39
Replies: 45
Views: 16,827
Posted By dhuckaby
Ilja, there is a steady chemistry solver...

Ilja,

there is a steady chemistry solver which is part of alternateReactingFoam package
written by Gschaider et al. . See the following links for more info:...
Forum: OpenFOAM December 22, 2009, 09:06
Replies: 45
Views: 16,827
Posted By dhuckaby
Ilja, You will need re-compile with...

Ilja,

You will need re-compile with modifications to the reactingFoam source code for an "igniter". If you are using 1.6.x, coalChemistryFoam provides an example of how to do this. You will...
Forum: OpenFOAM December 18, 2009, 14:34
Replies: 45
Views: 16,827
Posted By dhuckaby
Ilja, There is a "timeVaryingFixedValue"...

Ilja,

There is a "timeVaryingFixedValue" boundary condition which would allow you to decrease the inlet temperature over time. Did you try igniting by increase the pilot temperature ? There is...
Forum: OpenFOAM December 16, 2009, 09:11
Replies: 45
Views: 16,827
Posted By dhuckaby
Ilja, A number of things may effect the...

Ilja,

A number of things may effect the flame temperature (and shape):
- turbulence model
- ode solver and settings
- kinetic model
- mesh resolution

The following paper, among other...
Forum: OpenFOAM December 8, 2009, 09:00
Replies: 45
Views: 16,827
Posted By dhuckaby
IIja, I ran the tutorial case with the...

IIja,

I ran the tutorial case with the settings described in the previous posts I was only able to reproduce the error when the sum of the species mass fractions was equal to zero. The code ran...
Forum: OpenFOAM December 7, 2009, 15:58
Replies: 45
Views: 16,827
Posted By dhuckaby
IIja, Could you post the text for the...

IIja,

Could you post the text for the "thermophysicalProperties" and "chem.inp" for the case
described above ?

You could also try running with all the inlet mass fractions set to the the...
Forum: OpenFOAM December 7, 2009, 08:53
Replies: 45
Views: 16,827
Posted By dhuckaby
IIja, I was able to reproduce a similar...

IIja,

I was able to reproduce a similar error when I either set all the initial mass fractions to 0 or
all the mass fractions were set to 0 at any boundary.

Dave
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