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# Marine Engineering CFD Training Package for Beginners

\$787.00 Student Discount

• Offshore Pipeline Considering Hydrodynamic Forces
• Sea Robot Motion
• Water Turbine (Horizontal Axis & Vertical Axis)
• FSI Analysis
• Short Wave in the Sea
• Jet Ski
• Falling Objects into Water

#### Offshore Pipeline Considering Hydrodynamic Force, ANSYS Fluent CFD Simulation Training

• The problem numerically simulates seawater flow around offshore pipelines using ANSYS Fluent software.
• We aim to investigate Drag and Lift in Two comparative cases.
• We design the 2-D model by the ICEM software.
• We Mesh the model by ICEM software.
• This mesh is Structured, and the element number equals 135417.
• We use two UDF to define wavy flow velocity and relative pressure due to wave motion.
• We perform this simulation as unsteady (Transient).

#### Sea Robot Motion Immersed in Water, Dynamic Mesh

• The problem numerically simulates Sea Robot Motion Immersed in the Water using ANSYS Fluent software.
• We design the 3-D model by the Design Modeler software.
• We mesh the model with ANSYS Meshing software, and the element number equals 30010.
• We perform this simulation as unsteady (Transient).
• We use the Dynamic Mesh model to apply the location displacement and the shape changes of computational cells.

#### Water Turbine (Horizontal Axis), ANSYS Fluent CFD Simulation Training

The present study investigates the water flow on the horizontal axis water turbine blades so that the purpose of the problem is to investigate the distribution of velocity and pressure on the blade's wall.

#### Darrieus Vertical Axis Water Turbine, Dynamic Mesh, ANSYS Fluent Training

• The problem numerically simulates the Darrieus Vertical Axis Water Turbine 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 7422668.
• We perform this simulation as unsteady (Transient).
• We use the Dynamic Mesh Model to define the change of meshing around the rotating turbine blades.
• We define a Rigid Body by a rotational motion with one degree of freedom (1-DOF).

#### FSI Analysis for a Ball in Water Flow, ANSYS Fluent CFD Simulation Training

• The problem numerically simulates the FSI Analysis for a Ball in Water Flow 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 20192.
• We perform this simulation as unsteady (Transient).
• We use Dynamic Mesh to define the mesh deformation.
• We perform Fluid-Structure Interaction (FSI) to define system coupling between Fluent and Transient Structural.

#### Submarine Robot motion in a Water Channel, Dynamic Mesh, ANSYS Fluent

The present problem simulates the movement of a submarine robot inside a canal containing water flow using ANSYS Fluent software.

#### Short Wave in the Sea CFD Simulation, Ansys Fluent

In this project, a short wave in the sea has been simulated and the results of this simulation have been investigated.

#### FSI Method for Water Turbine Vibration CFD Simulation

The present study investigates the water flow around a vertical water turbine considering unsteady CFD simulation.

#### Jet Ski CFD Simulation (Two-Phase Flow Study), ANSYS Fluent Training

• The problem numerically simulates the Jet Ski 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 1748941.
• We use the VOF Multi-Phase model to define the two-phase flow.

#### Falling Objects into Water Simulation, Dynamic Mesh, ANSYS Fluent Training

• The problem numerically simulates the Falling Objects into Water using ANSYS Fluent software.
• We design the 2-D model by the Design Modeler software.
• We Mesh the model by ANSYS Meshing software, and the element number equals 8727.
• We perform this simulation as unsteady (Transient).
• We use Dynamic Mesh to apply mesh changes over time.
• We use a UDF is used to define cubes' motion toward the water surface.
• We use the VOF Multi-Phase model to define water and air.

## Marine Engineering CFD Simulation Training Package by ANSYS Fluent, 10 Practical Exercises For Beginners

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

Marine engineering is a branch of engineering that deals with the construction as well as the operation of mechanical equipment for seagoing craft, docks, and harbor installations. The basic job of a Marine engineer is to design, build and maintain vehicles/structures used on or around water. Marine engineers are specialist technical professionals who design, develop, build, install, inspect, and maintain the propulsion systems, engines, pumps, and other pieces of technical equipment that make boats and other maritime vessels function effectively. Marine engineering is the engineering of boats, ships, submarines, and any other marine vessel. Here it is also taken to include the engineering of other ocean systems and structures – referred to in certain academic and professional circles as “ocean engineering.”We start the training package with 2 practical exercises for BEGINNER users.

Practical exercise number 1 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 2, the moving of a robot (cube) in water is simulated. The water enters the inlet boundary with a velocity of 1.5m/s while the robot moves towards this boundary with a velocity of 3m/s. The dynamic mesh model is activated and smoothing and remeshing options are enabled.

Study number 3 investigates the water flow on the horizontal axis water turbine (HAWT) blades so that the purpose of the problem is to investigate the distribution of velocity and pressure on the wall of the blade. There are two areas around the blades, including a cylindrical area just around the blades and a large area around the cylinder. The flow of water in the large outer space behaves like a normal flow, while in the cylindrical region around the blades, the rotational flow is caused by the rotational motion of the blades. Problem number 4 simulates the water flow around a vertical axis water turbine (VAWT) submerged in water using the dynamic mesh method. The water turbine is from the category of vertical axis turbines and is of the Darrieus type; So the axis of the turbine is perpendicular to the direction of water flow.

Practical exercise number 5 simulates the movement of a spherical ball in water flow. We perform this simulation using FSI (fluid-solid interaction) method. In this simulation, a computational area is designed in the form of a horizontal tube filled with water flow. Problem number 6 simulates the movement of a submarine robot inside a canal containing water flow. The dynamic mesh method has been used to simulate the horizontal movement of this robot inside the channel. In this simulation, a two-dimensional channel is designed to flow at a speed of 1.5 m.s-1. In project number 7, a short wave in the sea is simulated by ASYS Fluent software.

Study number 8 investigates the water flow around a vertical water turbine considering unsteady CFD simulation. In the present case, it is assumed that the turbine blades are affected by the flow of the passing fluid; that means, the fluid flowing through the turbine blades imposes forces on the turbine blades and these forces cause deformation of the body of these blades. In project number 9, an attempt has been made to investigate the effect of the movement of a jet ski on the interface of two fluids (water and air). The computational domain consists of an inlet wherein the water enters with a mass flow rate of 50000Kg/s and a pressure outlet. The multi-phase VOF model is activated for solving multi-phase flow equations and the standard k-epsilon model is exploited to account for the turbulence in fluid flows.

Two cubes falling into the liquid are simulated in tutorial number 10. In general, it is essential to study the motion of objects in liquids. The fall of the cubes due to the acceleration of gravity helps a lot to understand the phenomenon of sloshing.

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