Color Spraying on the Wall, CFD Simulation Ansys Fluent Training

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In this project, color spraying on the wall 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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Color Spraying Project Description

In this project, color spraying on the wall has been simulated by Ansys Fluent software. We used the one-way DPM to simulate the discrete phase. The injection type is a cone and the velocity of the particles is equal to 10 with a cone angle of 30 degrees.


The 3D geometry of this project has been produced with SpaceClaim software. The length and width of the computational area are 3 m, and its height is 4 m.

Color Spraying

Mesh is created with  Ansys Meshing software and the mesh type is unstructured. The number of cells is 254934.

Color Spraying

To simulate the present model, we consider several assumptions:

  • The solver is pressure-based.
  • The current simulation is unsteady in terms of time.
  • We ignored the gravity effect.

Here is a summary of the steps for defining the problem and its solution in the following table:

Viscous model laminar
Discrete phase on
particle treatment unsteady particle tracking
material in injection Color Spray
particle type in injection inert
injection type cone
Boundary conditions
Wall&wallback wall
wall motion stationary wall
discrete phase BC type scape
top wall Wall
wall motion stationary wall
discrete phase BC type trap
Solution Methods
Pressure-velocity coupling   simple
Spatial discretization pressure second-order
momentum second-order upwind
Modified turbulent viscosity first-order upwind
Initialization method   standard

Color Spraying Results

In this simulation, the spray paint on the wall is simulated using an injector to insert the particles in a conical manner. According to the conical angle, the range of motion of the particles is determined.

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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