Hydraulic Structure & Civil ANSYS Fluent Training Package, 10 Practical Exercises for BEGINNER Users

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Hydraulic Structure & Civil ANSYS Fluent Training Package, 10 Practical Exercises for BEGINNER Users

This Training Package includes 10 practical exercises that are numerically simulated by ANSYS Fluent software for BEGINNER users in the field of Hydraulic Structures and Civil engineering.

Spillways are structures used to pass excess water and floods from the top to the bottom of the dam. In practical exercise number 1, a spillway is numerically simulated applying a Transient solver. The hydraulic level of water increases after colliding with the body of the dam, so the excess value is discharged from the top of the spillway to the outlet. Problem number 2 is an ogee spillway CFD simulation. Since the channel uses two different flows, the two-phase flow model is used. The two-phase VOF (volume of fluid) model is used in this simulation so that the water is defined as the primary phase, and the air is defined as the secondary phase. The stepped spillway is commonly used in reservoir dams in order to release floods safely.

In analysis number 3, a two-dimensional simulation of a stepped spillway is presented. VOF model is activated for two phases of air and water and standard k-e model with the use of standard wall function is exploited for fluid flow analysis. Issue number 4 simulates the flow of seawater around offshore pipelines. The wave motion of the seawater on the pipelines creates drag and lift forces. Therefore, the location of these transmission pipelines must be in optimal condition to withstand less hydrodynamic forces.

In project number 5, a two-phase flow of air and water around a bridge’s pillars is investigated. The simulation is done using the VOF model for the two phases of air and water. A standard k-e model with the use of standard wall functions is also applied for solving the turbulent flow. Problem number 6 simulates the water flow on an overflow that enters the pond. There is an ogee overflow that leads to a pond. In this simulation, two types of models are defined. In one of which, water flows as a free surface flow to the overflow and then flows into the pond; While in another, the water flows under pressure on the overflow and flows into the pond.

Practical exercise number 7 simulates two-phase flow as soluble particles in a given fluid in a convergent-divergent channel. The Eulerian multiphase model has been used to simulate the present model. The Eulerian multiphase model is considered the most complex model for defining multi-phase flows. In analysis number 8, the two-phase flow inside an open channel with roughness in its middle section is simulated. The water flow enters the channel with a mass flow rate of 32 Kg/s. The k-epsilon equation with scalable wall functions is used to solve and analyze fluid flow.

Problem number 9 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. 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. Finally, in project number 10, the separation of laminar fluid flow from a surface that is easily seen in a natural waterfall is investigated and analyzed. This separation occurs only due to gravity and the difference in height between the two surfaces. Water enters the fluid domain with a mass flow of 20 Kg/s and falls when the lower bed is finished, converting into a waterfall.

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