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MFIX-Exa documentation
MFIX-Exa documentation

User guide:

  • Introduction
  • Quick start guide
    • Building MFIX-Exa
    • Running your first simulation
    • Visualizing results
      • Using Paraview
  • Run-time inputs
    • Defining the domain
    • Specifying a geometry
    • Region definitions
    • Model options
    • Species solver
    • Fluid model
    • Solids model
    • Initial conditions
    • Boundary conditions
    • Defining chemical reactions
    • Example inputs
    • Porous media definitions
    • Output
      • Checkpointing
      • Plotfiles and other output
      • Debugging
      • Monitors
      • Reports
      • Ascent
    • Initialization
    • Time stepping
    • Grids, tiles, and tagging
    • Mesh refinement
    • Multigrid solvers
    • Advanced
    • Multiple Program Multiple Data (MPMD)

Reference:

  • System of Units
  • Particle distributions
  • Gridding and Load Balancing
    • Grid Creation
    • Dual Grid Approach
    • Load Balancing
  • Solving the Fluid Equations
    • Fluid Variables
    • Fluid Equations
    • Time Discretization
      • Fluid Time Step
      • Computing slopes
      • Creating the MAC (Marker and Cell) velocities
  • Particles
    • Particle Basics
    • Particle/Fluid Interactions
    • Particle/Wall Interactions
    • Particles on GPUs
  • Chemical Reactions
  • Example rates UDFs
  • Embedded Boundaries
    • Constructing Embedded Boundaries in MFIX-Exa
    • Local Mesh Refinement at Walls
    • The Level-Set Function
  • Building on HPC Systems
    • OLCF Frontier
    • OLCF Summit
    • OLCF Crusher TDS
    • Perlmutter
    • Polaris
    • NCSA Delta
    • PSC Bridges-2
    • Joule 2.0
  • Multiple Program Multiple Data (MPMD)
  • Debugging
  • Works cited

Tools:

  • PIC to DEM conversion

Tests and Benchmarks:

  • Continuous Integration (CI)
  • Regression Testing
  • Qualitative Benchmarks
    • Clustering in the HCS
    • Granular Rayleigh-Taylor
    • Mehrdad’s Bed
    • Single Bubble Injection
    • Bidisperse segregation
    • References
  • Chemistry code tests
    • 1. Eulerian01: athermal, constant density
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Time Discretization¶

  • Fluid Time Step
  • Computing slopes
    • Boundary conditions
  • Creating the MAC (Marker and Cell) velocities