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# Free Surface Flow – ANSYS Fluent Training Package, 10 Practical Exercises

\$540.00 Student Discount

This CFD training package is prepared for BEGINNER, INTERMEDIATE, and ADVANCED users of ANSYS Fluent software in the FREE SURFACE FLOW area, including 10 practical exercises.

#### Spillway (3-D & Transient), ANSYS Fluent CFD Simulation Tutorial

• The present problem simulates the flow of water through a spillway by ANSYS Fluent software.
• The 3-D geometry of the present model is designed using Design Modeler software.
• The meshing of the model has been done using ANSYS Meshing software and the element number is 698691.
• The Transient solver is applied.
• To define the two-phase flow in this simulation, a Multiphase VOF (volume of fluid) model is used, considering the Free Surface model.

#### Ogee Spillway CFD Simulation, ANSYS Fluent Training

• The problem numerically simulates the Ogee Spillway using ANSYS Fluent software.
• We design the 3-D model by the Design Modeler software.
• We Mesh the model by ANSYS Meshing software, and the element number equals 10959.
• We use the VOF Multi-Phase model to define water and air in channels.

#### Spillway (2-D & Transient) CFD Simulation, Two-Phase Flow, ANSYS Fluent Training

In this project, the two-phase flow of water and air flowing over an ogee spillway is simulated.

#### Counterflow CFD Simulation within a Canal, ANSYS Fluent Tutorial

• The problem numerically simulates a counterflow within a canal using ANSYS Fluent software.
• We design the 3-D model by the Design Modeler software.
• We Mesh the model by ANSYS Meshing software, and the element number equals 256899.
• We perform this simulation as unsteady (Transient).
• We use the VOF Multi-Phase model to define two phases: water and air.

#### Circular Weir Simulation, Eulerian Three-Phase (Air, Water, and Sand), ANSYS Fluent Training

• The problem numerically simulates Three-phase flow over a Circular Weir using ANSYS Fluent software.
• We design the 3-D model by the Design Modeler software.
• We Mesh the model by ANSYS Meshing software, and the element number equals 4770.
• We use the Eulerian Multi-Phases model to define three phases of flow, including air, water and sand.

#### Lifting Dam CFD Simulation, Ansys Fluent Training

In this project, two different cases of lifting dams have been simulated and the results have been investigated.

#### Open Channel Flow (Two-Phase) CFD Simulation, ANSYS Fluent Training

In this analysis, the two-phase flow of water and air inside an open channel is investigated.

#### Spillway (Wide-Edge) with Lateral Slope, Two-Phase Flow, ANSYS Fluent

In this analysis, the flow inside a wide-edge spillway is investigated.

#### Open Channel Flow inside a 180-Degree Bend, ANSYS Fluent Simulation Training

The problem simulates a two-phase flow (water and air) inside an open channel with a 180-degree arc using ANSYS Fluent software.

#### Pollution Spread in the Stagnant River, Ansys Fluent Training

• The problem numerically simulates the Pollution Spread in the Stagnant River using ANSYS Fluent software.
• We design the 3-D model with the Design Modeler software.
• We mesh the model with ANSYS Meshing software, and the element number equals 161562.
• We perform this simulation as unsteady (Transient).
• We use the VOF Multiphase model to define the phases of water and pollutant.

## Free Surface Flow CFD Simulation Package, ANSYS Fluent Training

This CFD training package is prepared for BEGINNER, INTERMEDIATE, and ADVANCED users of ANSYS Fluent software in the FREE SURFACE FLOW area, including 10 practical exercises. You will learn and obtain comprehensive training on how to simulate projects. The achieved knowledge will enable you to choose the most appropriate modeling approaches and methods for applications and CFD simulations.

Free Surface Flow occurs in many applications. some of these cases are investigated in this training package.

### Spillway & Weir

One of the main applications of Free Surface low is in Spillways. Spillways are structures used to pass excess water and floods from the top to the bottom of the dam.

In project 1, the two-phase flow of water and air flowing over a 2-D ogee spillway by an Unsteady solver is simulated. The water will enter the computational domain with a mass flow rate of 60 tons/s and it flows over the spillway. The standard k-epsilon model is exploited to solve fluid flow equations and the VOF multiphase model is used to investigate the motion and interaction of the existing phases.

Problem 2 simulates the flow of water through a 3-D spillway by a Transient solver. Since the modeled fluids are water and air, the two-phase flow model is used. To define the two-phase flow in this simulation, a two-phase VOF (volume of fluid) model is used; So its primary phase is air and its second phase is water.

Problem 3 is an ogee spillway CFD simulation. The purpose of the present study is to investigate the behavior of water flow after passing through an ogee spillway in the presence of airflow. The main task of this type of structure (spillway) is to remove excess water in situations such as floods that water flow damages the dam body.

In analysis 4, the flow inside a Wide-Edge Spillway with Lateral Slope is investigated. It should be pointed out that there is an elevation difference between the main and sub-channel for reasons like storing a portion of flowing water. The RNG k-epsilon model is used for solving turbulent flow equations.

In project 5, the three-phase flow of water, air, and sand flowing over a Circular WEIR are simulated. The water will enter the computational domain with a velocity of 1m/s and it flows over the sand bed behind the weir. The water flow will lift some of the sand and carry it as it flows over the weir.

### Canal (Free Surface)

Problem 6 simulates a counterflow in a canal. The purpose of this work is to investigate the type of fluid flow behavior when exposed to a flow in the opposite direction. In this simulation, water flows from the canal into a rectangular section horizontally, and at the same time another flow of water from a pipe lying on the floor of the same canal, horizontally but in the opposite direction of the initial flow into the canal.

### Dam (Free Surface)

Numerical simulation of lifting dam has been performed in project 7. The VOF model is used to simulate two fluid phases, and the purpose of this project is to investigate the changes in the FREE SURFACE of the fluid over time. Two models are reviewed in this project. In the first model, the flow continues its path after crossing the dam, but in the second model, it encounters an obstacle.

### Open Channel Flow

An open channel is a waterway channel, or artificial waterways, for water conveyance, or to service water transport vehicles.

In analysis 8, the two-phase flow of water and air inside an Open Channel is investigated. The standard k-omega model is used for solving turbulent flow equations. Also, a multi-phase VOF model with the use of an OPEN CHANNEL setting is activated to simulate two phases of water and air inside the channel.

Problem 9 simulates two-phase flow (water and air) inside an open channel with a 180-Degree Bend. To simulate the mentioned two-phase flow, the multiphase VOF model (Volume of Fluid) has been used; Because this two-phase flow is considered FREE SURFACE currents.

### River

Finally, in project 10, a Numerical simulation of River Pollution has been done. The VOF model is used to simulate the phases. Pollutant enters the river from a nonuniform profile somewhere in the middle of the stagnant river, and it diffuses into the water.

## Reviews

1. Callie Leuschke

Does the training cover how to interpret the results of the free surface flow simulation?

• MR CFD Support

Certainly. The training includes a section on interpreting the results of your simulation. This is crucial in understanding the implications of your simulation results and how they can inform your design decisions.

2. Maye Cole

How does the training handle the complexities of the Volume of Fluid (VOF) model?

• MR CFD Support

The training includes a comprehensive section on using the VOF model in ANSYS Fluent. It covers the principles of the model and how to use it effectively to simulate free surface flows.

3. Mr. Devante Wiza

Does the training include any material on the effect of gravity and surface tension on free surface flows?

• MR CFD Support

Yes, it does. The training includes a section on the influence of gravity and surface tension on free surface flows. This is crucial in accurately simulating these flows.

4. Dr. Weldon Ebert I

I’d like to in simulate wave breaking. Do you know if the training covers that?

• MR CFD Support

Yes, indeed. The training includes exercises that delve into the simulation of wave breaking. This is particularly important in coastal and offshore engineering applications. Call On WhatsApp