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Fluids

Fluids

Topics related to Fluent, CFX, Turbogrid and more.

Simulation of cavitation with compressibility of a working fluid

    • zzitplay
      Subscriber

      Kind and smart people, please consult me.

      I am trying to simulate cavitation in a closed volume. Is it possible to simulate cavitation with a compressible working fluid in the Ansys module or other software (as I understand it, compressibility is determined by the modulus of elasticity)?

      In Fluent, cavitation models do not work with the сompressible-liquid mode for density - "Both liquid and vapor phases can be incompressible or compressible. For compressible liquids, the density is described using a user-defined function" - you need to write a UDF for density (please share, if you have some), if this has changed in the new versions, please tell me, I did not find the information myself.

      In CFX, compressibility seems to be set via Tait EOS, but I have not found information on whether this will work normally with cavitation.

      I kindly ask knowledgeable people to share the information.

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