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Mechanical engineering is an engineering branch that combines engineering physics and mathematics principles with materials science, to design, analyze, manufacture, and maintain mechanical systems.It is one of the oldest and broadest of the engineering branches.
The mechanical engineering field requires an understanding of core areas including mechanics, dynamics, thermodynamics, materials science, structural analysis, and electricity. In addition to these core principles, mechanical engineers use tools such as computer-aided design (CAD), computer-aided manufacturing (CAM), and product lifecycle management to design and analyze manufacturing plants, industrial equipment and machinery, heating and cooling systems, transport systems, aircraft, watercraft, robotics, medical devices, weapons, and others. It is the branch of engineering that involves the design, production, and operation of machinery.
Mechanical engineering emerged as a field during the Industrial Revolution in Europe in the 18th century; however, its development can be traced back several thousand years around the world. In the 19th century, developments in physics led to the development of mechanical engineering science. The field has continually evolved to incorporate advancements; today mechanical engineers are pursuing developments in such areas as composites, mechatronics, and nanotechnology. It also overlaps with aerospace engineering, metallurgical engineering, civil engineering, electrical engineering, manufacturing engineering, chemical engineering, industrial engineering, and other engineering disciplines to varying amounts. Mechanical engineers may also work in the field of biomedical engineering, specifically with biomechanics, transport phenomena, biomechatronics, bionanotechnology, and modelling of biological systems.
What do mechanical engineers do?
Mechanical engineering combines creativity, knowledge and analytical tools to complete the difficult task of shaping an idea into reality.
This transformation happens at the personal scale, affecting human lives on a level we can reach out and touch like robotic prostheses. It happens on the local scale, affecting people in community-level spaces, like with agile interconnected microgrids. And it happens on bigger scales, like with advanced power systems, through engineering that operates nationwide or across the globe.
Mechanical engineers have an enormous range of opportunity and their education mirrors this breadth of subjects. Students concentrate on one area while strengthening analytical and problem-solving skills applicable to any engineering situation.
Society is dependent on mechanical engineering. The need for this expertise is great in many areas and thus, there are no restrictions for the novice mechanical engineer. Jobs are always in demand, especially in the automotive, aerospace, electronics, biomedical engineering, civil engineering, entrepreneurship, manufacturing engineering, mechanical engineering, biotechnology and energy industries.
1. Problem Solving
A portion of every mechanical engineer’s day involves solving client problems. Mechanical engineering is often figuring out how to make mechanical or thermal devices work better, more efficiently or have different capabilities. Solving the problems requires hard skills, of course, but it also requires strong analytical ability, which is a soft skill.
2. Creativity
Mechanical engineers often develop and design products. In the case of mechanical engineers, the products can be anything from robots to environmentally friendly power generation. Conceptualizing, developing and inventing entirely new products calls for creativity.
3. Clear communication abilities
clients will need to be walked through the workings of the exciting new products you and your team will develop. You will need to explain to non-engineers the how, what and why of new products and processes.
4. Collaboration
Almost all engineering roles take place in a collaborative environment. You will likely work on a team, and need to be an excellent team player. You need to collaborate effectively with a broad range of people.
You’ll also need to collaborate across functions. Many mechanical engineers work with other types of engineers, architects or IT professionals. The teams can be very diverse. Top job candidates exhibit an ability to collaborate across functions and with diverse sets of people.
5. Mathematics
Yes, we know this is not exactly a soft skill. Many people might classify mathematics as a hard skill. And you also need the hard skills of statistics and calculus.
But what we are talking about here is the part of mathematics that’s an aptitude. The bottom line for mechanical engineers is you have to have strong mathematical aptitude to excel at the job. You have to be totally comfortable with math and like it.
Let’s put it this way. The world has many people in it who might love to design new solar panels, robots and innovative batteries. But however strong their desire is, they won’t be able to do those things if they don’t have an aptitude for mathematics.
Mechanical engineering existed from the time when humans created the first tool for themselves. It existed from the time when basic machinery powered by animal labor and human, wind or water energy or their combination.
The application of mechanical engineering can be seen in the archives of various ancient and medieval societies. The six classic simple machines were known in the ancient Near East. The wedge and the inclined plane (ramp) were known since prehistoric times. The wheel, along with the wheel and axle mechanism, was invented in Mesopotamia (modern Iraq) during the 5th millennium BC.The lever mechanism first appeared around 5,000 years ago in the Near East, where it was used in a simple balance scale, and to move large objects in ancient Egyptian technology. The lever was also used in the shadoof water-lifting device, the first crane machine, which appeared in Mesopotamia circa 3000 BC. The earliest evidence of pulleys date back to Mesopotamia in the early 2nd millennium BC.
The Sakia was developed in the Kingdom of Kush during the 4th century BC. It relied on animal power reducing the tow on the requirement of human energy. Reservoirs in the form of Hafirs were developed in Kush to store water and boost irrigation.Bloomeries and blast furnaces were developed during the seventh century BC in Meroe.Kushite sundials applied mathematics in the form of advanced trigonometry.
The earliest practical water-powered machines, the water wheel and watermill, first appeared in the Persian Empire, in what are now Iraq and Iran, by the early 4th century BC. In ancient Greece, the works of Archimedes (287–212 BC) influenced mechanics in the Western tradition. In Roman Egypt, Heron of Alexandria (c. 10–70 AD) created the first steam-powered device (Aeolipile).In China, Zhang Heng (78–139 AD) improved a water clock and invented a seismometer, and Ma Jun (200–265 AD) invented a chariot with differential gears. The medieval Chinese horologist and engineer Su Song (1020–1101 AD) incorporated an escapement mechanism into his astronomical clock tower two centuries before escapement devices were found in medieval European clocks. He also invented the world’s first known endless power-transmitting chain drive.
During the Islamic Golden Age (7th to 15th century), Muslim inventors made remarkable contributions in the field of mechanical technology. Al-Jazari, who was one of them, wrote his famous Book of Ingenious Devices in 1206 and presented many mechanical designs.
In the 17th century, important breakthroughs in the foundations of mechanical engineering occurred in England and the Continent. The Dutch mathematician and physicist Christiaan Huygens invented the pendulum clock in 1657, which was the first reliable timekeeper for almost 300 years, and published a work dedicated to clock designs and the theory behind them. In England, Isaac Newton formulated Newton’s Laws of Motion and developed the calculus, which would become the mathematical basis of physics. Newton was reluctant to publish his works for years, but he was finally persuaded to do so by his colleagues, such as Edmond Halley. Gottfried Wilhelm Leibniz is also credited with developing the calculus during this time period.
During the early 19th century Industrial Revolution, machine tools were developed in England, Germany, and Scotland. This allowed mechanical engineering to develop as a separate field within engineering. They brought with them manufacturing machines and the engines to power them.The first British professional society of mechanical engineers was formed in 1847 Institution of Mechanical Engineers, thirty years after the civil engineers formed the first such professional society Institution of Civil Engineers. On the European continent, Johann von Zimmermann (1820–1901) founded the first factory for grinding machines in Chemnitz, Germany in 1848.
In the United States, the American Society of Mechanical Engineers (ASME) was formed in 1880, becoming the third such professional engineering society, after the American Society of Civil Engineers (1852) and the American Institute of Mining Engineers (1871).The first schools in the United States to offer an engineering education were the United States Military Academy in 1817, an institution now known as Norwich University in 1819, and Rensselaer Polytechnic Institute in 1825. Education in mechanical engineering has historically been based on a strong foundation in mathematics and science.
NASA ranks number 1 on our list of the top mechanical engineering companies in the world in 2020. The National Aeronautics and Space Administration (NASA) is an independent agency of the U.S. federal government responsible for the civilian space program, as well as aeronautics and space research. Established in 1958, NASA is notable for space exploration efforts such as the Apollo Moon landing missions, the Skylab space station, and later the Space Shuttle. NASA is one of the best companies for mechanical engineers, hiring positions such as Flight Systems Engineers, Computer Engineers, Electronics Engineers, Space Mission Operations Engineers, and more.
Ranking number 2 on our list of the top 10 mechanical engineering companies in the world is Google. Google is arguably the largest technology company in the world and is known for hiring an endless list of mechanical engineers. Google is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, a search engine, cloud computing, software, and hardware. Alongside Amazon, Facebook, Apple, and Microsoft, Google is considered one of the Big Five technology companies in the U.S. information technology industry. Google employs 114,096 people, including thousands of engineers across the Internet, Cloud computing, Computer software, Computer hardware, Artificial intelligence, and Advertising industries.
Ranking 3rd on this list of top mechanical companies in the world in 2020 is Boeing. The Boeing Company is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. Boeing is among the largest global aerospace manufacturers and is the second-largest defense contractor in the world by revenue. The Boeing Company has its corporate headquarters in Chicago, Illinois, and is organized into five primary divisions: Boeing Commercial Airplanes (BCA); Boeing Defense, Space & Security (BDS); Engineering, Operations & Technology; Boeing Capital; and Boeing Shared Services Group.
Ranking 4th on this list of the top mechanical engineering companies in the world is Apple. Apple is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services. Apple is considered one of the Big Five technology companies alongside Amazon, Google, Microsoft, and Facebook. Apple hires mechanical engieers that design and develop the iPhone smartphone, the iPad tablet computer, the Mac personal computer, the iPod portable media player, the Apple Watch smartwatch, the Apple TV digital media player, the AirPods wireless earbuds, and the HomePod smart speaker. Apple’s software includes macOS, iOS, iPadOS, watchOS, and tvOS operating systems, the iTunes media player, the Safari web browser, the Shazam music identifier, and the iLife and iWork creativity and productivity suites, as well as professional applications like Final Cut Pro, Logic Pro, and Xcode. Its online services include the iTunes Store, the iOS App Store, Mac App Store, Apple Music, Apple TV+, iMessage, and iCloud.
Lockheed Martin ranks 5th on this list of the top 10 mechanical engineering companies in the world in the world in 2020. Lockheed Martin Corporation is an American aerospace, defense, arms, security, and advanced technologies company with worldwide interests. Lockheed Martin is the United States’ premier manufacturer of military equipment is known for its military and combat gear, radar systems, aircraft, and missiles. Based on revenue, Lockheed Martin is the world’s largest defense contractor.
Not just a leading technology company, Microsoft is also one of the best companies for mechanical engineers. Microsoft is an American multinational technology company with headquarters in Redmond, Washington. Microsoft develops, manufactures, licenses supports, and sells computer software, consumer electronics, personal computers, and related services. Microsoft is best known for software products such as Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers.
7. GE Aviation
Ranking 7th on our list of the top 10 mechanical engineering companies in the world in 2020. GE Aviation, a subsidiary of General Electric, is headquartered in Evendale, Ohio, and among the top aircraft engine suppliers, and offers engines for the majority of commercial aircraft. GE Aviation offers engines, systems, and services for commercial, military, business, and general aviation aircraft.
The Walt Disney Company ranks 8th on this list of the best companies for mechanical engineers. The Walt Disney Company is an American diversified multinational mass media and entertainment conglomerate headquartered at the Walt Disney Studios complex in Burbank, California. The Walt Disney Company’s mission is to be one of the world’s leading producers and providers of entertainment and information.
Ford Motor Company ranks 9th on this list of the top mechanical engineering companies. Ford is an American multinational automaker that has its main headquarters in Dearborn, Michigan, a suburb of Detroit. Ford manufactures and sells automobiles and commercial vehicles under the Ford brand.
10. Nvidia
Nvidia rounds out this list of the top 10 mechanical engineering companies in the world in 2020. Nvidia is an American multinational technology company incorporated in Delaware and based in Santa Clara, California. Nvidia designs graphics processing units (GPUs) for the gaming and professional markets, as well as system on a chip units (SoCs) for the mobile computing and automotive market.
source:nescoresource , wikipedia , mtu.edu , airtrac , britannica , bizvibe
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