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The udf for "PSI-C" method in FLUENT DPM?

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Old   August 27, 2021, 22:37
Default The udf for "PSI-C" method in FLUENT DPM?
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Shipeng Xu
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Can any researcher provide the udf for calculating the particle concentration in FLUENT DPM model using "PSI-C" method?
I tried to write this udf, but after using both "DEFINE_DPM_SCALAR_UPDATE( ParticleCon,c,t,initialize,tp)" and "C_UDMI(c,t,0)+=P_FLOW_RATE(tp)*dt/C_VOLUME(c,t)" at the same time, the residence time of particles within a cell is always cumulative over all iteration time steps and is not only the final value. Besides, the concentration is always cumulative over the flow time steps.Any suggestion or comment is welcome!
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concentration, dpm, particle, psi-c, unsteady tracking

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