VizGrain is modeling tool within the OverViz Simulation Suite for rarefied gas flows, macro-particle (e.g. dust) dynamics and hybrid plasma simulations.


  • 1-D, 2-D (planar/axisymmetric) and 3-D problems
  • Multiple particle types (e.g. multiple species)
  • Particle force models: Electromagnetic Lorentz force, Gravitational force, aerodynamic drag
  • Particle chargeup models
  • Particle collisions: Direct-Simulation Monte Carlo (DSMC) approach, Monte Carlo Collision (MCC) approach
  • Coupling to VizGlow (hybrid plasma simulations, prediction of complex ion energy and angular distribution functions on processing surfaces)
  • Hybrid unstructured mixed mesh formulation
  • Parallel computing


  • Thin film etching / deposition
  • Gas stream processing
  • Low-pressure aerodynamic flows
  • Chemical processing

Industries Served:

  • Semiconductor Equipment Makers
  • Semiconductor IC Manufacturers
  • Solar Cell Manufacturers
  • Flat Panel Display Manufacturers
  • Aerospace Industry (e.g. rarefied flows)

Download VizGrain Brochure