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Short Wave in the Sea, Ansys Fluent Simulation Training

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In this project, a short wave in the sea 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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Description

Project Description

In this project, numerical simulation of water spraying from the roof of the greenhouse has been done using Ansys Fluent software. The purpose of this project is to investigate the ability to simulate short waves with First-Order Airy theory in Fluent software and the VOF model with the open channel wave bc has been used.

Geometry&Mesh

The two-dimensional geometry of this project has been produced with Spaceclaim software. The length of the computational area is 210 cm and its height is 76 cm.

Short Wave

The meshing of this present model has been generated by Ansys Meshing software. The mesh grid is unstructured and the total cell number is 55468.4

Short Wave

Short Wave CFD Simulation

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

  • The solver is pressure-based.
  • Simulation has only examined fluid behavior; in other words, heat transfer simulation has not been performed.
  • The effect of gravity on the flow is considered to be 9.81 m.s-2 and along with the y-axis in the present model.

 The Laminar viscous model has been used to solve the flow field equations, and the pressure-velocity coupling scheme is SIMPLE. The second-order upwind discretization method has been used for momentum and PRESTO! For the pressure discretization.

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

Models
Multiphase
Homogeneous model Volume of fluid
Number of Eulerian phases 2(air& water)
Interface modeling Sharp

Interfacial

Formulation explicit
Body force formulation Implicit body force
Viscous Laminar
Material Properties
 Air
Density 1.225
viscosity 1.7894e-05
water-liquid
Density 998.2
viscosity 0.001003
Methods
Pressure-Velocity Coupling SIMPLE
  Pressure PRESTO!
  Momentum Second-order upwind
Volume fraction Compressive
Initialization
Initialization methods Standard
Patch Phase Phase2
  Variable Volume Fraction
Registers to patch Region_0
Value 1
Run calculation
Time advancement Type adaptive
Parameters
Initial time step size 0.001
Settings Minimum time step size 0.0001
Maximum time step size 0.0001
Time step size 20000

Results

In Fluent software, it is possible to send waves from the input boundary condition into the domain. According to the speed counters, it is clear that when the waves move at sea level, vortices are created in the surrounding air and it can be said that the intensity of air turbulence is proportional. It is with the height of the waves, which is why we see strong winds when we stand by the sea of waves.

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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