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January 1, 2025 at 11:14 pm
vikoviko3009
SubscriberHi all,Â
Im simulating the mixing of hydrogen and air in a 2d geometry and i want to compute and plot for each point of the grid the following ratio (see below), something like a contour plot. The mass flow rates are defined as integral over the area of density, normal velocity and mass fraction. How can I compute this?
Â
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January 2, 2025 at 12:00 pm
Rob
Forum ModeratorFluent has volume fraction data, and we also know the volume of a cell and it's density. You can then work out the mass of each species and from there the mass fraction. I'd use Custom Field Functions, but I suspect Expressions will also work.Â
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January 6, 2025 at 10:26 pm
vikoviko3009
SubscriberThank you for the answer, but could you tell me how to asses the voulme fraction data?
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January 7, 2025 at 11:34 am
Rob
Forum ModeratorIn a calculation? Either in a Custom Field Function or an Expression: both are covered in the User's Guide.Â
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