bug in Fluent 6.1

February 9, 2004, 18:58

Is anybody happy with this: When you try to track trajectories of 30nm particles using DPM, they simply evaporate even for inert steel at 300K!

If you have a solution to this problem, please let me know.

The bug has been there for half a year. I don't know what the Fluent people are doing.

February 10, 2004, 03:42

I suspect the reply you'll get is "it's not a bug it's a feature".

I've had other problems with the DPM model (maybe in 6.0 I don't remember) where droplets that really should have evaporated reach a diameter that's near enough to zero to make no difference, and cause all sorts of numerical problems. (i.e. overflow)

Rob

February 9, 2004, 18:58	bug in Fluent 6.1	#1
hedonists Guest Posts: n/a	Is anybody happy with this: When you try to track trajectories of 30nm particles using DPM, they simply evaporate even for inert steel at 300K! If you have a solution to this problem, please let me know. The bug has been there for half a year. I don't know what the Fluent people are doing.

February 10, 2004, 03:42	Re: bug in Fluent 6.1	#2
Rob Hart Guest Posts: n/a	I suspect the reply you'll get is "it's not a bug it's a feature". I've had other problems with the DPM model (maybe in 6.0 I don't remember) where droplets that really should have evaporated reach a diameter that's near enough to zero to make no difference, and cause all sorts of numerical problems. (i.e. overflow) Rob

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