How to input a UDF code for simulaing particle-laden flow -- CFD Online Discussion Forums

September 10, 2019, 02:23	How to input a UDF code for simulaing particle-laden flow	#1
EvanHuang New Member Evan Huang Join Date: Apr 2017 Posts: 5 Rep Power: 9	Hi I am dealing with the problem simulating a circular cylinder in a wind tunnel with air (carried fluid) and solid particles(dispersed phase), the Reynolds number is around 3900 and I am done with the single-phase(air) part with importing the UDF function for the experiments inlet and boundary conditions to Ansys Fluent 18, but now I want to add three source term for my particles' motion which are momentum, k, and epsilon. So my questions are 1. How should I choose the multiphase model in Fluent, for example, DEM, DPM or ...? 2. How to add source terms to it? and the code? 3. I also want to simulate the adhesion of particles, How to achieve? 4. Is there any examples or code related to my problem that I can consult? Thank you for helping!

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