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What Is Mechanical Engineering?

Mechanical engineering is a multidisciplinary field that involves the application of problem-solving techniques and principles of engineering to design or manufacture an object. It involves extensive analysis of engineering work using principles of force, energy, motion, and technology to ensure that designs created work in an efficient, reliable, and safe way.

Mechanical engineering is applied in every industry. It helps in solving today’s challenges and creating future solutions in space exploration, health care, world hunger, transportation, climate change, energy, and technology, and many more. Mechanical engineering is engrained in many innovations and challenges across many disciplines hence it’s a versatile course. To meet the wide demand, mechanical engineers may work in multiple fields, either designing a process, a component, a machine, or a system. Any component with moving parts requires the expertise of a mechanical engineer. The tasks performed by the engineers vary, ranging from designing small components such as switches and sensors to designing and developing large machines such as satellites and motor vehicles. 

What do mechanical engineers do?

Mechanical engineering combines knowledge, analytical tools, and creativity to solve real-world problems. The tasks performed by mechanical engineers varies depending on the area of specialization. For instance, they can develop advanced electrical systems, design and manufacture motor vehicles and satellites, design control systems, health care systems, or production planning. 

Other tasks performed by mechanical engineers include:

• Creating conceptual designs
• Creating and testing prototypes and simulations in fields such as robotics, aerospace, and automotive engineering
• Performing research, analyzing, and interpreting data
• Designing and developing components, machines, and systems

Technology has simplified the work of mechanical engineers through the introduction of powerful tools such as Computer-aided Engineering (CAE), Computational Fluid Dynamics (CFD), and Finite Element Analysis (FEA).

Mechanical engineering course entry requirements

Mechanical engineering is a technical discipline that can be quite challenging. When applying for a degree in mechanical engineering, most institutions require a strong background in mathematics, physics, and other sciences. Proficiency in technology and computing is also important. 

Disciplines in mechanical engineering

Some of the disciplines in mechanical engineering include:

• Acoustics
• Aerospace
• Automation
• Automotive
• Autonomous Systems
• Biotechnology
• Composites
• Computer-aided Design (CAD)
• Control Systems
• Cybersecurity

• Design
• Energy
• Ergonomics
• Human health
• Manufacturing and additive manufacturing
• Mechanics
• Nanotechnology
• Production planning
• Robotics
• Structural analysis

When pursuing a mechanical engineering degree, some of the fields that will be covered include:

Manufacturing – in the manufacturing sector, mechanical engineers research the best methods to make manufacturing more efficient. For instance, electrical engineering focuses on how to improve circuitry components, laboratory methods concentrate on various ways that can be applied to enhance how mechanical and thermal engineering processes, and products are measured. 

Fluid Mechanics – this field concentrates on various properties such as aerodynamic drag forces and pressure drops from fluid flow. Fluid mechanics is widely applied in the aerospace, manufacturing, and automotive fields.

Material science – this involves testing the brittleness, support loads, and stiffness of materials. It helps in determining the best materials for a specific task. Material science is important in automobile, construction, and development of medical materials

Engineering economics – this field concentrates on making mechanical designs and products usable and pertinent in the real world by estimating costs of the designs, manufacturing, and other engineering aspects and the duration of production. 

Statics – this field focuses on the transmission of forces throughout a particular structure. Once a machine/system is in motion, mechanical engineers assess the dynamics, kinematics, thermodynamics, and heat transfer.