Particles Motion in the Sediment Trap Device, CFD Simulation Ansys Fluent

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In this project, Particles Motion in the Sediment Trap Device has 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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Particles Motion Project Description

In this project, which has been done by the CFD numerical simulation method with the help of Ansys Fluent software, the motion of particles in a part of the sediment trap device has been investigated by the one-way dpm model. The particle diameter is 1 mm, and the flow moves at a speed of one meter per second.


The 3-D geometry of the present model is carried out using SpaceClaim software. The length of the calculation area is 30 cm, and its height is 15 cm.

Particles Motion

The meshing of this present model has been generated by ANSYS Meshing software. The mesh type is unstructured, and the total cell number is 87075.

Particles Motion

Particles Motion CFD Simulation

To simulate the present model, we consider several assumptions:

  • The solver is pressure-based.
  • The present simulation is unsteady in terms of time.
  • The gravity effect is equivalent to -9.81 m.s-1.

The following is a summary of the steps for defining the problem and its solution

Viscous model Spalart Allmaras
Discrete phase on
particle treatment unsteady particle tracking
material in injection anthracite
particle type in injection inert
injection type surface
Boundary conditions
Inlet Velocity inlet
velocity magnitude 1 m.s-1
discrete phase BC type reflect
Outlet Pressure outlet
gauge pressure 0 Pascal
discrete phase BC type escape
Walls Wall
wall motion stationary wall
discrete phase BC type escape
Solution Methods
Pressure-velocity coupling   simple
Spatial discretization pressure second-order
momentum second-order upwind
Modified turbulent viscosity first-order upwind
Initialization method   hybrid


In this simulation, particle deposition in a sedimentation device is investigated.  Fluent software has different definitions for the amount of sedimentation on the walls, all of which have been studied in this project.

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


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