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Old   June 19, 2007, 17:12
Default Particle Injection Distribution
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Hi, I'm using fluent to do some particle tracking in a 3-d model. I am injecting particles from a surface. Any idea how I can make the particles distribution totally random along the surface with different particles diameters? thanks a lot!

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Old   June 19, 2007, 23:12
Default Re: Particle Injection Distribution
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Hi use some kind particle size distribution function. rosin rammler is available in fluent. u can make ur own also

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Old   June 20, 2007, 00:08
Default Re: Particle Injection Distribution
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I understand I can use Rosin-Rammler with the parameters dbar and n, but I was wondering if I select surface injection with Rosin-Rammler, how these different diameters will be distributed among the nodes in the surface? Let's say I have a circle as the surface of injection. The diameters will be ditributed randomely inside the circle or it will be a uniform distribution?

Thanks a lot!
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Old   June 20, 2007, 09:20
Default Re: Particle Injection Distribution
Allan Walsh
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The best way for you to answer the questions would be try it out. The distribution will be uniform based on some range of parameters - i.e. position, velocity, diameter. For something more exotic, you would have to write your particle generating routine.
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