I am trying to set up a simulation similar to the partly fluidized bed examples on the CFDEM example page. Were those examples run using the same code as was released?
I find that when the particles get that close together the CFD simulation quickly gets very high and unrealistic velocities and crashes.
Reducing the timesteps does not seem to help.
Any suggestions?
Thanks,
Alexa
cgoniva | Wed, 04/06/2011 - 11:49
Hi Alexa, we used some
Hi Alexa,
we used some slightly different code for that. It is possible that the solver version which is currently online runs into trouble for densely packed beds.
We will release a new solver within the next few days including a testcase for dense bed. You can give it a try with that one.
Cheers,
Chris
cfdsam | Mon, 06/17/2013 - 22:58
Hi experts,
Hi experts,
Is it any tutorial available for fluidized bed using CFD-DEM? I didn't see any example in recent released version which help and give a clue for simulating dense particulate systems. How can i start to simulate a fluidized bed?
cgoniva | Wed, 06/19/2013 - 16:28
Hi,
Hi,
have a look at ErgunTestMPI ... it is a fixed bed being fluidized - that should be exactly what you were looking for ;-)
Cheers,
Chris