Fluids

Fluids

How does FLUENT calculate Brownian force?

    • cs_zy
      Subscriber
    • DrAmine
      Ansys Employee
      You need to code it again as an additional force which you can then store for each particle as particle scalar
    • cs_zy
      Subscriber
      Thanks´╝îDrAmine. Programming Brownforce with UDF? And then export it? How should I do?
      And Can I get the momentum exchange between the particle and the fluid´╝ƒI know the formula for momentum exchange between particles and fluid. Can I use this formula to define an expression in CFD-POST to calculate the specific value of momentum exchange´╝ƒ
      Really Appreciate.
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