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[DPM/DDPM]How to employ UDF only for total flow rate of a injection?

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Old   June 26, 2016, 10:19
Smile [DPM/DDPM]How to employ UDF only for total flow rate of a injection?
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Dear all,
My simulation is transient, and I have tried DEFINE_DPM_INJECTION_INIT and 'loop(p,I->p_init)' inside for a simple constant-flow-rate case. However, the tracked particle number didn't increase with time.
In this situation, I start to think about writing an UDF which only modifies the total flow rate of a injection. I believed I could do it since we have a dropdown right beside the total-flow-rate blank.
Unfortunately, I failed to find the way to do it although I thought I've well read through the UDF guide..
Does anyone has some good ideas?
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Old   June 27, 2016, 01:18
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Originally Posted by Narita View Post
Dear all,
My simulation is transient, and I have tried DEFINE_DPM_INJECTION_INIT and 'loop(p,I->p_init)' inside for a simple constant-flow-rate case. However, the tracked particle number didn't increase with time.
In this situation, I start to think about writing an UDF which only modifies the total flow rate of a injection. I believed I could do it since we have a dropdown right beside the total-flow-rate blank.
Unfortunately, I failed to find the way to do it although I thought I've well read through the UDF guide..
Does anyone has some good ideas?
!!!!!!!!!!!!!
It seems I made a mistake when employing DEFINE_DPM_INJECTION_INIT. I'm now attempting with it.
Back soon for any news!
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Old   June 27, 2016, 01:25
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Originally Posted by Narita View Post
!!!!!!!!!!!!!
It seems I made a mistake when employing DEFINE_DPM_INJECTION_INIT. I'm now attempting with it.
Back soon for any news!
!!!!!!!!!!!!!!!!!!

Sorry I made a mistake in my codes.
The good news is that you can freely use the macro to set the injection flow rate as a function as you like -- it perfectly works with the transient DPM simulation.
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