Fluids

Fluids

Lee’s Model

    • sakwaboa
      Subscriber

      Is it possible to develop a UDF for the relaxation time (coeff) in Lee's Model in Volume of Fluid (vof)? The coefficient depends of density of liquid (rho_L) and vapor (rho_v) and other parameters. See the equation below the definition of the coeff in Lee's model below:

    • Surya Deb
      Ansys Employee
      Hello, nYou can use DEFINE_LINEARIZED_MASS_TRANSFER or DEFINE_MASS_TRANSFER UDF for this. Please check this link which shows an example to customize mass transfer in multiphase case using UDF. nI hope this helps.nRegards,nSuryan
    • DrAmine
      Ansys Employee
      Better to write the UDF for mass transfer as Surya highlighted.n
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