Fluids

Fluids

Modeling proppant “Sand transport in hydraulic fracture” using DDPM

    • Ashtiwi
      Subscriber
      I am trying to investigate the effect of the fluid viscosity on sand transport "proppant" in a single fracture using the Eulerian-Lagrangian model "DDPM". I am facing a problem with k and epsilon
       
      The software gives me a floating-point for (k )and divergence with (epsilon). I decreased the time step to 0.001 < the dx/u, and added some inflation layers to the wall to capture the turbulent flow near the walls. And in some cells reverse flow. Please if you any recommendations.
       
      Thank you
       
      Ash
    • Rob
      Ansys Employee

      It's a complex problem. I'd suggest reviewing the multuphase documentation and talk to your supervisor.

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