Search found 3 matches
- Thu May 20, 2021 3:11 pm
- Forum: code_saturne usage
- Topic: [Dispersion in frozen flow] - issue with user scalar value at boundary
- Replies: 5
- Views: 2443
Re: [Dispersion in frozen flow] - issue with user scalar value at boundary
Hello, Thank you for your advice. I just put a convective inlet BC at the source as you suggested, for dispersion in a non-frozen flow. The concentration profile is quite homogeneous. Though the max value (near pollutant source) remains under the prescribed concentration at the source by ca an order...
- Thu May 20, 2021 10:43 am
- Forum: code_saturne usage
- Topic: [Dispersion in frozen flow] - issue with user scalar value at boundary
- Replies: 5
- Views: 2443
Re: [Dispersion in frozen flow] - issue with user scalar value at boundary
Hello, First of all, thank you for your time and reactivity! I already tried to use a flux boundary condition instead of Dirichlet. I am facing the same issue regarding the concentration profile at the surface, which remains inhomogeneous. Can it be related to the fact that I imposed wall boundary c...
- Wed May 19, 2021 6:39 pm
- Forum: code_saturne usage
- Topic: [Dispersion in frozen flow] - issue with user scalar value at boundary
- Replies: 5
- Views: 2443
[Dispersion in frozen flow] - issue with user scalar value at boundary
Hello, I am trying to perform simulation with the atmospheric module in order to test dispersion scenari of user scalar with an Eulerian approach (concentration of pollutant in this special case) The pollutant is quite dillute (very low volume fraction) and we are working in steady flow. Besides, ma...