Learning Forum

[Pollovr]

Hello, I'm currently trying to perform a parametric study on a tank with a fluid and a baffle. The tank is accelerated with a sinusoidal acceleration and therefore we have sloshing, that's why I'm using a Multiphase VOF simulation.

The goal is to study how the position and lenght of the baffle affects the results. I have done a similar simulation with no parameters and it runs perfectly, but when I try to performe different studies and retain the data trough a parametric study, it just won't work. I don't know if it's either that the setup won't work (it should, no input other than the mesh itself is affected by the parameters, I'm only chaning the geometry). Or may be I'm doing something wrong.

[Amine Ben Hadj Ali]

Can you stop and just update one particular Design Point. Moreover your DP board looks bit odd:what is that for a row with columns titled as N Which Software are you using to run the sloshing problem?n

[Pollovr]

The column N is the units (Force - Newton). I'm using Fluent.n

[Rob]

Parameters and transient calculations can get a bit messy as the output isn't constant. By all means use the parametric tools to set up the models, but I'd advise running in stand alone mode to get the results. n

[Pollovr]

Parameters and transient calculations can get a bit messy as the output isn't constant. By all means use the parametric tools to set up the models, but I'd advise running in stand alone mode to get the results./forum/discussion/comment/100260#Comment_100260

Hello Rob, thank you so much for your answer, what do you mean by 'running in stand-alone mode'?n

[Rob]

Launch Fluent from the Start menu. You lose the parametric tools but if you create the case in Workbench you can export the case to run having used the parametric tools to set up the model. The benefit is the workflow isn't there so data is stored for that case rather than that project and can't be overwritten when/if you run the next design point or click in the wrong box in the Workbench project. n

[Pollovr]

Launch Fluent from the Start menu. You lose the parametric tools but if you create the case in Workbench you can export the case to run having used the parametric tools to set up the model. The benefit is the workflow isn't there so data is stored for that case rather than that project and can't be overwritten when/if you run the next design point or click in the wrong box in the Workbench project./forum/discussion/comment/100379#Comment_100379

I see, and how do you export the case?n

[Rob]

File - Export in the top menu in Fluent. n

[Pollovr]

But that means that I won't be able to prepare multiple cases and run them one after the other. I'll have to run one, what until it's finished, set the next as current and run it; right?n