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-   -   Simulating Particle motion in tube using UDF (https://www.cfd-online.com/Forums/fluent-udf/94745-simulating-particle-motion-tube-using-udf.html)

alib022 November 24, 2011 05:13

Simulating Particle motion in tube using UDF
 
Hi friends

I want to simulate moving a particle in a tube of water. I want to use UDF, Is there any one have any simple example of this type of UDF files?
or any body know which macro better to use?
CG_MOTION or SDOF ?

Spring.s March 11, 2012 06:02

Hi
I think that your case will not require to UDF!
You can use the Injection option of Define meno in fluent for tail the one or more particle.

Jessica.S March 11, 2012 23:32

Quote:

Originally Posted by alib022 (Post 333395)
Hi friends

I want to simulate moving a particle in a tube of water. I want to use UDF, Is there any one have any simple example of this type of UDF files?
or any body know which macro better to use?
CG_MOTION or SDOF ?

what kind of particle? rigid body?

alib022 March 12, 2012 10:21

yes, it's a rigid body, a rigid ball which it's diameter is half of tube's diameter

Jessica.S March 12, 2012 11:37

this might help...

http://www.cfd-online.com/Forums/flu...-6dof-udf.html

Jessica.S March 12, 2012 11:39

you can also swap the 6dof with cg motion. personally i prefer 6dof...

ninhtran March 27, 2017 04:49

Quote:

Originally Posted by alib022 (Post 348943)
yes, it's a rigid body, a rigid ball which it's diameter is half of tube's diameter

Hi Ali,

I would like to ask you how did you solve the moving sphere in the tube?
Now I get stuck on this problem and it could be great if you can help me.

Thanks Ali!


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