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November 26, 2017, 15:14 |
Different results for same simulation
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#1 |
New Member
Edward
Join Date: Nov 2017
Posts: 1
Rep Power: 0 |
Hello,
I am running the exact same model & parameters (basically the same simulation) without any changes at all. Basically, run today, close the thing, come back tomorrow, run again the same thing and I get two different answers. Anybody know any reason why that could be? Thanks in advance. |
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April 4, 2018, 09:38 |
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#2 |
New Member
Laura Sumner
Join Date: Mar 2017
Posts: 13
Rep Power: 9 |
hey did you ever find out why this was happening? Having the same issue myself!
Laura |
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April 5, 2018, 07:16 |
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#3 |
Member
ehsan
Join Date: Sep 2014
Posts: 38
Rep Power: 12 |
What are your boundary conditions? What is the coupling method (velocity-pressure)?
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April 6, 2018, 04:37 |
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#4 |
Senior Member
Join Date: Aug 2014
Location: Germany
Posts: 292
Rep Power: 14 |
I suspect the simulations are not set up identical or the simulation itself has some kind of randomnes implemented. If the first thing can be ruled out entirely, i would help to know the simulation approach e.g. DNS, LES, RANS, URANS, BC's etc.
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