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-   -   Defining DPM Particle Injections with a UDF (http://www.cfd-online.com/Forums/fluent/87367-defining-dpm-particle-injections-udf.html)

TedBrogan April 18, 2011 16:45

Defining DPM Particle Injections with a UDF
 
Hello all,

I'd like to inject single particles with varying properties at specific locations and at specific times that are not known at the start of the simulation. I know I could easily define injections before the simulation if I knew all the details then.

I'm already using a UDF to identify the time and location a particle is to be injected. Does anyone know of a way to create injections that have not been defined in the injections GUI using a UDF?

DEFINE_DPM_INJECTION_INIT only works for injections defined before the simulation begins. A text injection file seems like a possibility, but wouldn't the injection file need to modified on the fly? Is that possible?

Any suggestions are greatly appreciated as I can't find any documentation on this in the forum or in the user's manual.

Thank you in advance,
Ted


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