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-   -   How to create multiple solid-fluid domain? (http://www.cfd-online.com/Forums/cd-adapco/54340-how-create-multiple-solid-fluid-domain.html)

Harendra January 26, 2005 02:29

How to create multiple solid-fluid domain?
 
Dear Experts,

I want to simulate a shell and tube heat exchanger. How do I create tubes with finite thickness with different fluids outside and inside?

Regards,

-Harendra

Richard January 26, 2005 04:20

Re: How to create multiple solid-fluid domain?
 
One of the tutorials is about a fin heat exchanger. Have a look at that one to see how to have a solid material and a fluid material and join them together.

To actually generate the grid for your case, you could use

Create and Import Grids -> Create Grids -> Create 3-D Grids

and define the extent of the tubes and the fluid parts seperately in a cylindrical coordinate system. Choose a different cell type for each part, so that it is easier later to assign them to different materials. You can have different fluid materials in your model as long as they are separated by baffles or (in your case) solids.

Harendra January 26, 2005 07:14

Re: How to create multiple solid-fluid domain?
 
Hi Richards, Many thanks. I hope in this way I could be able to do. But if I draw a model using other softwares sucy as SolidWorks or others, then what I have to do to specify separate solid fluid regions? Regards,

-Harendra

Brian January 26, 2005 14:58

Re: How to create multiple solid-fluid domain?
 
This sort of model is really not suited to automeshing, like through Solidworks etc. A good opportunity to learn REAL meshing. :)

steve January 26, 2005 17:41

Re: How to create multiple solid-fluid domain?
 
it is possible in stardesign with imprinting

Harendra January 27, 2005 10:41

What is imprinting or real meshing??
 

Brian January 28, 2005 14:58

Re: What is imprinting or real meshing??
 
I have no idea what imprinting is, but "real meshing" as I meant it, is building the mesh yourself rather than relying on an automatic mesher.


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