Learning Forum

[Afifsena]

Is there any solution to know the mass flow rate outlet by ansys itself? Without input anything on outlet (even I don't have any data about the outflow/pressure outlet)

[Rob]

The CFD solvers require boundary conditions to then evaluate the flow field. Mass flow tends to fairly critical for this! What are you trying to model?

[Afifsena]

this my example project (from the complex one), i want to know mass flow rate outlets (from the red) that given by ansys itself, because i don't know any data about the outlets (pressure, velocity, mass flow rate, etc). I only know the diameter outlet is different. In this image i choosed outflow type because i want to know the pressure outlet but in real field i didn't know the value of each flow rate weighting, and that cause the mass flow rate from report has same value (0,5 kg/s)

[Rob]

With that mesh it's more surprising that the model ran. You're using an outflow boundary too which isn't recommended: read the documentation to see what it's doing.
Do a few tutorials to see how much mesh resolution we use there, and then try again. As a hint, a velocity inlet and pressure outlets should give you a more reasonable result once you've fixed the mesh.

[Afifsena]

thank you very much sir, can i know where is the documentation?

[Rob]

Click on "Help", it's web based but the software has all the links built in.

[Amine Ben Hadj Ali]

Crystal Ball and I can provide it to you without any runs :)

Mesh is awful (sorry) but you need to start from there :)