Shower Channel Drain CFD Simulation, ANSYS Fluent Training

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In this project, a shower drain inside a inclined channel with 120 water input is simulate.

This ANSYS Fluent project includes CFD simulation files and a training movie.

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Project description

In this project, a shower drain inside a inclined channel with 120 water input is simulated and analyzed by ANSYS Fluent software. In order to analyze the air and water flow inside the channel, standard k-epsilon model with the use of standard wall functions is exploited. The multi-phase VOF model have been used to investigate the two-phase flow of air and water within this channel.

Shower Channel Drain Geometry & Mesh

The geometry of this project is designed in ANSYS Design Modeler® and meshed inside ANSYS Meshing®. The mesh type used for this geometry is unstructured and the element number is 1310945.

shower Mr CFD

Shower Channel Drain CFD Simulation Settings

The key assumptions considered in this project are:

  • Simulation is done using pressure-based solver.
  • The present simulation and its results are considered to be steady and do not change as a function time.
  • The effect of gravity has been taken into account and is equal to -9.81 m/s2 in Y direction.

The applied settings are recapitulated in the following table.

(shower) Models
Viscous model k-epsilon
k-epsilon model standard
near wall treatment standard wall function
Multi-phase VOF
Phase 1 Air
Phase 2 Water
(shower) Boundary conditions
Inlets velocity inlet
Water inlet(from inlet 1 to 109) velocity 1.98 to 2.36 m/s
Outlets Pressure outlet
wall motion stationary wall
(shower) Solution Methods
Pressure-velocity coupling Coupled
Spatial discretization pressure PRESTO!
Volume fraction Compressive
momentum first order upwind
turbulent kinetic energy first order upwind
turbulent dissipation rate first order upwind
(shower) Initialization
Initialization method   Standard
gauge pressure 1.164153e-10 Pa
velocity (x,y,z) 0 m/s-1
Turbulent kinetic energy 0.01744463 m2/s2
Turbulent dissipation rate 2.755207 m2/s3
Water volume fraction 0


We obtain the contours of pressure, velocity and phases volume fraction.

All files, including Geometry, Mesh, Case & Data, are available in Simulation File. By the way, Training File presents how to solve the problem and extract all desired results.


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