Reacting Flows

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  3. How do I determine the volume of a cloud with a certain range of a species concentration?

How do I determine the volume of a cloud with a certain range of a species concentration?

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    • June 6, 2022 at 8:33 am
      FAQFAQ
      Participant

      First, mark the cells with a species mass fraction INSIDE of ISO-MIN and ISO-MAX under Adapt – Refine/Coarsen – Cell Registers – New – Field Variable – Type = Cells in Range. Then, split the fluid zone by marked register register under Mesh->Separate->Cells. Calculate the volume of the resulting new fluid zone under Report->Volume Integrals->Volume. If the split operation fails or you have a number of fluid zones, do the following:
      1.Define a custom field function that calculates cell volume
      2.Define a user-defined scalar (UDS)
      3.Patch the UDS in the register with the custom field function
      4.Calculate the volume of the register by Volume Integral->Sum of UDS in the whole fluid zone

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