Dust Particles Entering the Room, Ansys Fluent Training

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In this project,  dust particles entering from the windows into the room have been simulated and the results of this simulation have been investigated.

This product includes Geometry & Mesh file and a comprehensive Training Movie.
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Dust Particles Project Description

In this project, numerical simulation of dust particles entering from the windows into a room has been done using Ansys Fluent software. In this project, the dust particles entering the building at a speed of 0.25 m/s are examined, and the house’s sedimentation and dust movement are depicted. Also in this simulation, a two-way DPM model is used


The 3-D geometry of the present model is carried out using Design Modeler software.

dust particles

The meshing of this present model has been generated by Ansys Meshing software. The mesh grid is unstructured and the total cell number is 42061.

dust particlesdust particlesdust particles

Dust Particles CFD Simulation

To simulate the present model, several assumptions are considered, which are:

  • The solver is pressure-based.
  • This Simulation is transient.
  • The gravity effect is ignored.
Viscous laminar
Cell zone conditions
Fluid  air
Boundary conditions
Inlet Velocity Inlet
velocity magnitude 0.25 m/s
Outlet Pressure Outlet
Pressure outlet 0 pa
Wall Wall
Pressure-Velocity Coupling coupled
Pressure PRESTO
momentum first-order upwind
gradient Least squares cell base
Initialization methods Standard
gauge pressure 0 pa
velocity 0.25 m/s
Time step size 0.001 s-0.05  s
Number of time step 25000
Material properties Standard
fluid water
density 1.225
viscosity 1.7894e-05 Kg/m.s
Particle diameter 0.0001
time 0 200


we can see from the contours, the airflow, and the movement of the dust. The flow created by the wind speed carries the dust in the direction of the flow. And dust in areas of vortex formation may have more sediment.

You can obtain Geometry & Mesh file and a comprehensive Training Movie which presents how to solve the problem and extract all desired results.


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