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  3. How to calculate the positive or negative mass flow rate through an arbitrary plane in CFD Post?

How to calculate the positive or negative mass flow rate through an arbitrary plane in CFD Post?

Tagged: cfd-post, fluid-dynamics, General
    • June 5, 2023 at 7:05 am
      FAQFAQ
      Participant

      Just us following expressions to sum up the positive or negative mass flow rates through the cells of an arbitrary plane with name “Surface”: Positive mass flow rate: areaInt(max(0.0[m/s],Velocity u * Normal X + Velocity v * Normal Y + Velocity w * Normal Z)*Density)@Surface Negative mass flow rate: areaInt(min(0.0[m/s],Velocity u * Normal X + Velocity v * Normal Y + Velocity w * Normal Z)*Density)@Surface

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