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

About Data File and Solving PDE by Fluent

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   March 19, 2003, 08:50
Default About Data File and Solving PDE by Fluent
  #1
Sebeci
Guest
 
Posts: n/a
Hello every body(Please Help) I have two questions. First:I have created a mesh in a simple domain.I want to assign cells with different property.For example to cell one ro1, cell two ro2,(ro is density)and etc.I have done it by writting data file.After reading it with "Fluent" by first iteration those value changes and it ignores data file. Why? Second:Can we solve a partial diffrential equation only by simulating the coefficients of equation in the fluent without paying any attention to physical manner of equation? Does this method is a normal way? If it isn't obvious please ask by e-mail.

Thanks

Sebeci
  Reply With Quote

Old   March 20, 2003, 04:08
Default Re: About Data File and Solving PDE by Fluent
  #2
Chetan Kadaki
Guest
 
Posts: n/a
For the mesh, you state you want to assign two differentiate between two regions. Does the domain consist of one fluid with 2 different sets of initial conditions, and does the fluid mix throughout? Or are we talking of two different fluids? Or are we talking of fluids seperated by a wall?

For the case where you have one fluid, but want different initial conditions: after initializing the solution, create an adaption register (adapt-->region, then select the area you want to mark), then patch different values in the adapted area (solve-->initialize-->patch, select register and variable and enter the value, repeat for each value).

In the other case, in Gambit, you need to define the different areas as seperate faces/volumes, and then when defining boundary conditions, create two seperate fluids.

I don't know if I've answered your question, or if I have helped. Please provide me with more details and specify what it is your trying to do exactly.
  Reply With Quote

Old   March 25, 2003, 00:48
Default Re: About Data File and Solving PDE by Fluent
  #3
Sebeci
Guest
 
Posts: n/a
Dear Chetan Thanks for your reply but the domain consist of one fluid with 1 initial condition for every cell that is differ from another cell.Exactly I want to assign different property for cells. For example porosity of cell be differ from the cell neighborhood. I AM LOOKING FOR YOU REPLY

THANKS

  Reply With Quote

Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
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 Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
transsonic nozzle with rhoSimpleFoam Unseen OpenFOAM Running, Solving & CFD 8 July 1, 2022 07:54
problem with Min/max rho tH3f0rC3 OpenFOAM 8 July 31, 2019 10:48
Orifice Plate with a fully developed flow - Problems with convergence jonmec OpenFOAM Running, Solving & CFD 3 July 28, 2011 06:24
Low Mach number Compressible jet flow using LES ankgupta8um OpenFOAM Running, Solving & CFD 7 January 15, 2011 14:38
Error while running rhoPisoFoam.. nileshjrane OpenFOAM Running, Solving & CFD 8 August 26, 2010 13:50


All times are GMT -4. The time now is 00:27.