CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > FLUENT

Density based solver, Chemkin, Stiff combustion

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   April 20, 2012, 13:37
Arrow Density based solver, Chemkin, Stiff combustion
  #1
New Member
 
Mohammad Ghazvini
Join Date: Mar 2010
Posts: 16
Rep Power: 7
mahmohammad is on a distinguished road
Hi all,

I'm trying to simulate a model with Fluent V12. It a rectangular channel with both gas phase and surface reactions. I used a pressure based solver with Chemkin, when I increase the inlet velocity, the contours start to get wavy and unsteady.
So since apparently there is no "stiff chemistry solver" available if u use Chemkin, the only option that I have is using density based solver. But when I switch to that, reaction stops happening! There is no place for chemkin input in that!!

Please help me know what can I do? Is using density based software a correct decision?

Mike
mahmohammad is offline   Reply With Quote

Reply

Tags
chemkin, combustion, density based solver, stiff chemistry

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Pressure based and Density based Solver Xobile Main CFD Forum 18 April 13, 2015 07:49
A New Solver for Supersonic Combustion nakul OpenFOAM Announcements from Other Sources 18 February 19, 2013 08:48
How to compile an unsteady solver based on solver of MRFSimpleFoam? renyun0511 OpenFOAM Running, Solving & CFD 0 April 27, 2010 11:16
Weller combustion model - engineFoam solver. ghindi OpenFOAM Running, Solving & CFD 0 February 22, 2010 05:02
density update by UDF in non-premixed combustion IKSOO FLUENT 2 December 8, 2002 21:37


All times are GMT -4. The time now is 11:37.