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It is an absolute user friendly system, developed specifically for environmental engineers, who may not have much exposure to numerical concepts in data creation, calculation and analysis.

What is CMESOFT?

CMESOFT is a Computational Fluid Dynamics cartesian/block-structured/ unstructured grid solver for the solution of industrial fluid flow and Heat transfer problems. It has been developed based on solving the Conservation equations of fluid dynamics and heat transfer. It has an attractive graphical pre and post-processor facilities.



  • Excellent Pre-Processing Facilities
  • 2D/3-D cartesian/Block-Structured/Unstructured Grid generation
  • Steady-state and Transient solutions
  • Inviscid and Viscous fluid flows
  • Incompressible and compressible flows
  • Subsonic, Transonic, Supersonic and Hypersonic flows
  • Chemical reactions
  • High precision finite volume method for solving the governing equations
  • Post-processing and online help facilities
  • Accessible and user-friendly menu for non-specialists
  • User interface for defining boundary conditions, convective, diffusive fluxes and source terms

Application Areas:

   Industrial and Road emissions

  • Simulation of atmospheric flow around the complex shape of buildings and chemical units.
  • Heavy gas dispersions in tunnels
  • Leakage source
  • Fire and chemical reactions
  • Simulation of temperature variation
   Impact evaluation

  • Plumes from a single or multiple stacks along with vehicular or other industrial exhaust.
  • Particulate emission from chimneys
  • Chemical reactions related to plume gases
  • Exhaust dispersion of vehicular traffic
  • Waste water plant gases
  • Analysis of different emissions, meteorological and topographical parameters on the plumes and sensitivity analysis for choosing the appropriate emission control device.
   Choice of site monitoring devices

  • In general pollution data monitoring devices are expensive and identifying the monitor sites physically are difficult based on the available data. Hence, AIRSOFT can be used for identifying the sites as well as calibration of concentration field.
   Wind Velocity Field

  • Simulation of atmospheric flow around high-rise buildings and undulated terrain
  • Simulation of wind fields from data stored at meteorological stations
   Urban Air Quality

  • Simulation of Urban air quality
  • Modules for various pollutant CO, SO2, NOx etc for traffic emission.
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