Physics | CD-adapco
  • Motion
    • Overset
      • Allow multiple overlapping overset zones
      • Useful for modeling applications such as gear pumps
    • Virtual Disk Model
      • Body Force Propeller Method for marine applications
    • DFBI Model
      • Four-DOF Maneuvering Motion – motion specified in a plane, whilst other four degrees of freedom unconstrained
      • Planar Motion Carriage – for modeling ship maneuverability
  • Lagrangian
    • User coding now available for particles and injectors, both Lagrangian and DEM
      • Specification of particle diameter, particle mass flow rate, body force and energy source
    • Particle lift model
      • Shear lift – available for both Lagrangian and DEM
    • Particle size may now be specified as a time varying cumulative density function (CDF)
    • New option to define flow rate per parcel stream
    • Exact eddy interaction time option for turbulent dispersion
      • Allows the user to choose method of how Lagrangian sub-step is chosen when turbulent dispersion is used
      • Turned on will represent previous behavior, unselected may improve speed but at the cost of accuracy


    • Enthalpy difference method for calculating the latent heat of vaporization of droplets
    • Option to stop Lagrangian/DEM sub-stepping when the stop button is pressed
      • Previously user had to wait until sub-stepping was complete
      • Progress bar and stop betting now available under tree
  • DEM
    • Rotational lift model (using Magnus force equation)
    • Rotational drag model
    • 1-way wall to DEM particle heat transfer
    • Rolling friction computation for DEM now separated from the Hertz-Mindlin model, and a total of three rolling friction models are available:
      • Force Proportional rolling model (default model used in version 8.02 and before)
      • Constant Torque rolling model (new in this version)
      • Displacement Damping (new in this version)
    • Geometry parts may now be used to define lattice and random injectors


  • Fluid Film


    • Fluid film compatible with moving meshes
      • Rigid Body Motion and Morpher
      • Allows complex water management and soiling analyses
    • Blockage effect of liquid film accounted
    • Fluid film solidification with removal of solidified mass
      • Removed mass used to morph boundary to model accumulation on the wall
      • Useful for modeling applications such as ice build up
  • VOF
    • Cavitation Model
      • Option to scale cavitation rate based on its sign to control the rate of bubble growth and collapse independently
  • Turbulence
    • Standard k-w Model updated to Wilcox’s 2008 formulation
      • Better prediction of separated flows
      • Reduced dependence on free-stream/inflow boundary conditions
    • Standard Non-Linear k-e Models
      • Exposed Reynolds Stresses as field functions


  • Acoustics
    • FW-H Collect on TRN for Post-Processing Model
      • Collects unsteady source surface data into a TRN file
      • At the post-processing stage, then calculates the far-field noise contribution at the receivers location
      • For impermeable surfaces, and transient stationary simulations


  • Equation of State
    • Real Gas models now compatible with PPDF combustion (equilibrium and flamelet)
    • Thermal Non-Equilibrium Ideal Gas Model
      • Typically used for problems such as hypersonic re-entry and nozzle flows
      • Two temperature model –  translational-rotational temperature, and vibrational-electronic temperature
  • Materials
    • Specification of dynamic viscosity and thermal conductivity of water and steam based on the IAPWS specification for use with the IAPWS real gas models
  •  


  • Reacting Flow
    • Soot Two-Equation Model (Moss Brookes Hall soot model) for non-premixed combustion.
      • Solves two additional transport equations
    • New Surface Chemistry Model, available with the following models:
      • The Homogenous Reactor with Surface Chemistry model
      • The Eddy Break-Up (EBU) model
      • The Non-reacting model with Segregated Species
  • Radiation


    • Circumferential heat flux averaging for steady state simulations
      • Rotationally averaged interface for the simulation of rapidly rotating parts with non-symmetric heat flux
        • Geometry divided up into averaging strips
      • Heat flux may be averaged on internal fluid/solid interface or on external boundary
      • Compatible with co-simulation
    • Effect of soot formation now included in DOM radiation
  •  


  • EMAG
    • Transverse Magnetic Potential Model – Simulate transverse magnetic mode in 2D
      • Impressed currents and flux linkage calculations are supported using the excitation coil model
  • Harmonic balance
    • User specified vector of modes to construct filtered mode field functions
  • Boundaries


    • New options for Free Stream boundary condition
      • Altitude, Length Scale, and Reynolds Number
      • Altitude and Mach Number
      • For both new options the corresponding atmosphere can be defined as Standard (1977 Standard Atmosphere), or by a User Table
    • Flow Split Outlet
      • Option to use a specified mass flow rate (Segregated Solver)
    • Fan Interface
      • Specify performance curve as a table
      • Specify performance curve as the difference of static pressure downstream and total pressure upstream
    • Stagnation Inlet
      • Pressure jump option – Fan, porous jump, or loss coefficient
    • Pressure Outlet
      • Pressure jump option – Fan, porous jump, or loss coefficient

 

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