Multiphysics



Multicomponent flows

  • Gas-liquid mixtures
  • Bubbly flows
  • Interfacial gas-liquid & liquid-liquid flows
  • Particle & droplet laden flows
  • Dense particle clouds agglomeration & deposition
  • Multi-component flows with heat & mass transfer
  • Phase change: models & interface flux integration
  • Fluid-solid-particle flows

Conductive & convective heat transfer

  • Conductive & convective heat transport
  • Surface &  volumetric heat sources
  • Convective heat transfer models at boundaries
  • Anisotropic heat conduction
  • Boussinesq flows – including in turbulence equations
  • Conjugate heat transfer in 2D and 3D
  • Heat transfer with multiphase-flow
  • Variable thermo-mechanical properties of fluids (including super-critical fluids)
  • Advanced Equations of State (Peng & Robinson, Cubic Plus Association)

Radiative heat transfer

  • Monte Carlo technique

    • Surface to surface radiation (non-participating)
    • Diffuse and spectral reflections
    • Semi-transparent boundaries
  • Diffusive approximation (Rosseland model)

    • Appropriate for optically thick situations
  • Participating media

    • absorbing-emitting media
    • scattering media (arbitrary scattering phase functions)
    • non-grey media

Complex fluids & flows

  • Settling and sedimentation
  • Three- & four-phase flows
  • Non-Newtonian fluids (7 models)
  • Hydrocarbon constitutive laws
  • Binary mixtures
  • Porous media
  • Hydrate & slurries formation
  • Soret & Dufour effects

Reactive flows

  • Infinitely Fast Chemistry (non-premixed)

    • EDC
    • EDC-SDT (Scalar Dissipation Timescale)
    • EDC-MTS (Multiple Timescale)
  • Finite Rate Chemistry  (non-premixed)

    • Arrhenius (volumetric and surface reaction)
    • Flamelet based on Mixture Fraction
    • Progress Variable & Scalar Dissipation Rate
    • DQMOM (in progress)
  • Coupling with CANTERA (derived from Chemkin)

    • Evaluate thermodynamic and transport properties
    • Import Chemkin reaction mechanisms
    • Evaluate reaction rates
    • Pressure dependent reactions
    • Third body reaction
    • Surface reactions (heterogeneous)
    • Build Flamelet libraries

Microfluidics flows

  • Interfacial flow with heat & mass transfer
  • Phase change (boiling, condensation, evaporation)
  • Wetting: static & dynamic contact angle
  • Phase separation via phase field
  • Marangoni effects
  • Electrowetting Effects
  • Subgrid-scale thin-film & lubrication
  • Nano-particle tracking
  • Surface tension highly dominated flows

Fluid-structure interaction (FSI)

  • Rigid body motion
  • Solid-solid collision
  • Solid-wall collision
  • Imposed solid vibration & reaction to turbulence

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