There are 2 ways of doing what you want.
1. Defining surface goals
You can define a Volume Flow Rate surface goal for each flow opening you want to monitor. You can then monitor these values during the simulation in the solver Window.
You have to define the goals before running the analysis.
After the analysis is complete, you can use a Goal Plot to display the convergence curves and the values.
2. Defining Surface Parameters
By defining a surface Parameter for each inlet/outlet, you can obtain many parameters for each of them: average velocity, mass and volume flow rates, etc. You can do that after the analysis has been run.
The choice is yours...
Thanks for you'r quick response (;
Your approach is excactly what I am looking for, but can you help me meassure volumeflow/velocity through the openings in the dividing wall, inside the box. Those openings are no inlets or outlets, but are indside the Computational Domain, and since they are openings and not solid surfaces i can't attach Surface Goal or Surface Parameter.
I believe Julien was refering to using Surface Bodies to measure these (as opposed to the surfaces of solid bodies). Flow considers surfaces bodies to not affect flow, however they define geometry that flow can calculate results based on. Make a series of surfaces based on the holes in your dividing plate, then select those surfaces for the goals and plots.
Actually, you can't create Surface Paramaters on facesof surface bodies.
so what you have to do is create a solid body that has the face you desire. Then, you disable it in component control in Flow simulation.
this way, it doesn't influence the flow.
but you are able to select the face for a Goal or a surface parameter.
There you go!
Your approach worked perfectly (; Thank you very much
And also thanks to Bill (;
Simon, you might be missing this part - insert a part and extrude it to be normal to the opening, then do a cavity operation so that you have bodies fitting the individual hole, then disable the bodies so they are treated like fluid and not walls byt flow sim and then you can add the goal to the surfaces and get what you want to know. You can also do the above, not re run the simulation add no goals and use the surface parameters to one the newly creaded surfaces to get what you want to know.