Engineering

The steam engine, a major driver in the Industrial Revolution, underscores the importance of engineering in modern history. This beam engine is on display in the Technical University of Madrid.

Engineering is the application of mathematics, as well as scientific, economic, social, and practical knowledge to invent, innovate, design, build, maintain, research, and improve structures, machines, tools, systems, components, materials, processes, solutions, and organizations.

The discipline of engineering is extremely broad and encompasses a range of more specialized fields of engineering, each with a more specific emphasis on particular areas of applied science, technology and types of application.

The term Engineering is derived from the Latin ingenium, meaning "cleverness" and ingeniare, meaning "to contrive, devise".[1]

Definition

The American Engineers' Council for Professional Development (ECPD, the predecessor of ABET)[2] has defined "engineering" as:

The creative application of scientific principles to design or develop structures, machines, apparatus, or manufacturing processes, or works utilizing them singly or in combination; or to construct or operate the same with full cognizance of their design; or to forecast their behavior under specific operating conditions; all as respects an intended function, economics of operation or safety to life and property.[3][4]

History

Relief map of the Citadel of Lille, designed in 1668 by Vauban, the foremost military engineer of his age.

Engineering has existed since ancient times as humans devised fundamental inventions such as the wedge, lever, wheel and pulley. Each of these inventions is essentially consistent with the modern definition of engineering.

The term engineering is derived from the word engineer, which itself dates back to 1390 when an engine'er (literally, one who operates an engine) originally referred to "a constructor of military engines."[5] In this context, now obsolete, an "engine" referred to a military machine, i.e., a mechanical contraption used in war (for example, a catapult). Notable examples of the obsolete usage which have survived to the present day are military engineering corps, e.g., the U.S. Army Corps of Engineers.

The word "engine" itself is of even older origin, ultimately deriving from the Latin ingenium (c. 1250), meaning "innate quality, especially mental power, hence a clever invention."[6]

Later, as the design of civilian structures such as bridges and buildings matured as a technical discipline, the term civil engineering[4] entered the lexicon as a way to distinguish between those specializing in the construction of such non-military projects and those involved in the discipline of military engineering.

Ancient era

The Ancient Romans built aqueducts to bring a steady supply of clean fresh water to cities and towns in the empire.

The Pharos of Alexandria, the pyramids in Egypt, the Hanging Gardens of Babylon, the Acropolis and the Parthenon in Greece, the Roman aqueducts, Via Appia and the Colosseum, Teotihuacán and the cities and pyramids of the Mayan, Inca and Aztec Empires, the Great Wall of China, the Brihadeeswarar Temple of Thanjavur and Indian Temples, among many others, stand as a testament to the ingenuity and skill of the ancient civil and military engineers.

The earliest civil engineer known by name is Imhotep.[4] As one of the officials of the Pharaoh, Djosèr, he probably designed and supervised the construction of the Pyramid of Djoser (the Step Pyramid) at Saqqara in Egypt around 26302611 BC.[7] Ancient Greece developed machines in both civilian and military domains. The Antikythera mechanism, the first known mechanical computer,[8][9] and the mechanical inventions of Archimedes are examples of early mechanical engineering. Some of Archimedes' inventions as well as the Antikythera mechanism required sophisticated knowledge of differential gearing or epicyclic gearing, two key principles in machine theory that helped design the gear trains of the Industrial Revolution, and are still widely used today in diverse fields such as robotics and automotive engineering.[10]

Chinese, Greek, Roman and Hungarian armies employed complex military machines and inventions such as artillery which was developed by the Greeks around the 4th century B.C.,[11] the trireme, the ballista and the catapult. In the Middle Ages, the trebuchet was developed.

Renaissance era

The first steam engine was built in 1698 by Thomas Savery.[12] The development of this device gave rise to the Industrial Revolution in the coming decades, allowing for the beginnings of mass production.

With the rise of engineering as a profession in the 18th century, the term became more narrowly applied to fields in which mathematics and science were applied to these ends. Similarly, in addition to military and civil engineering, the fields then known as the mechanic arts became incorporated into engineering.

Modern era

The International Space Station represents a modern engineering challenge from many disciplines.

The inventions of Thomas Newcomen and the Scottish engineer James Watt gave rise to modern mechanical engineering. The development of specialized machines and machine tools during the industrial revolution led to the rapid growth of mechanical engineering both in its birthplace Britain and abroad.[4]

Structural engineers investigating NASA's Mars-bound spacecraft, the Phoenix Mars Lander

John Smeaton was the first self-proclaimed civil engineer and is often regarded as the "father" of civil engineering. He was an English civil engineer responsible for the design of bridges, canals, harbours, and lighthouses. He was also a capable mechanical engineer and an eminent physicist. Smeaton designed the third Eddystone Lighthouse (1755–59) where he pioneered the use of 'hydraulic lime' (a form of mortar which will set under water) and developed a technique involving dovetailed blocks of granite in the building of the lighthouse. His lighthouse remained in use until 1877 and was dismantled and partially rebuilt at Plymouth Hoe where it is known as Smeaton's Tower. He is important in the history, rediscovery of, and development of modern cement, because he identified the compositional requirements needed to obtain "hydraulicity" in lime; work which led ultimately to the invention of Portland cement.

The United States census of 1850 listed the occupation of "engineer" for the first time with a count of 2,000.[13] There were fewer than 50 engineering graduates in the U.S. before 1865. In 1870 there were a dozen U.S. mechanical engineering graduates, with that number increasing to 43 per year in 1875. In 1890 there were 6,000 engineers in civil, mining, mechanical and electrical.[14]

There was no chair of applied mechanism and applied mechanics established at Cambridge until 1875, and no chair of engineering at Oxford until 1907. Germany established technical universities earlier.[15]

The foundations of electrical engineering in the 1800s included the experiments of Alessandro Volta, Michael Faraday, Georg Ohm and others and the invention of the electric telegraph in 1816 and the electric motor in 1872. The theoretical work of James Maxwell (see: Maxwell's equations) and Heinrich Hertz in the late 19th century gave rise to the field of electronics. The later inventions of the vacuum tube and the transistor further accelerated the development of electronics to such an extent that electrical and electronics engineers currently outnumber their colleagues of any other engineering specialty.[4] Chemical engineering developed in the late nineteenth century.[4] Industrial scale manufacturing demanded new materials and new processes and by 1880 the need for large scale production of chemicals was such that a new industry was created, dedicated to the development and large scale manufacturing of chemicals in new industrial plants.[4] The role of the chemical engineer was the design of these chemical plants and processes.[4]

The Falkirk Wheel in Scotland

Aeronautical engineering deals with aircraft design process design while aerospace engineering is a more modern term that expands the reach of the discipline by including spacecraft design. Its origins can be traced back to the aviation pioneers around the start of the 20th century although the work of Sir George Cayley has recently been dated as being from the last decade of the 18th century. Early knowledge of aeronautical engineering was largely empirical with some concepts and skills imported from other branches of engineering.[16]

The first PhD in engineering (technically, applied science and engineering) awarded in the United States went to Josiah Willard Gibbs at Yale University in 1863; it was also the second PhD awarded in science in the U.S.[17]

Only a decade after the successful flights by the Wright brothers, there was extensive development of aeronautical engineering through development of military aircraft that were used in World War I. Meanwhile, research to provide fundamental background science continued by combining theoretical physics with experiments.

In 1990, with the rise of computer technology, the first search engine was built by computer engineer Alan Emtage.

Main branches of engineering

The design of a modern auditorium involves many branches of engineering, including acoustics, architecture, and civil engineering.

Engineering is a broad discipline which is often broken down into several sub-disciplines. These disciplines concern themselves with differing areas of engineering work. Although initially an engineer will usually be trained in a specific discipline, throughout an engineer's career the engineer may become multi-disciplined, having worked in several of the outlined areas. Engineering is often characterized as having four main branches:[18][19][20] chemical engineering, civil engineering, electrical engineering, and mechanical engineering.

Chemical engineering

Chemical engineering is the application of physics, chemistry, biology, and engineering principles in order to carry out chemical processes on a commercial scale, such as petroleum refining, microfabrication, fermentation, and biomolecule production.

Civil engineering

Civil engineering is the design and construction of public and private works, such as infrastructure (airports, roads, railways, water supply, and treatment etc.), bridges, tunnels, dams, and buildings.[21][22] Civil engineering is traditionally broken into a number of sub-disciplines, including structural engineering, environmental engineering, and surveying. It is traditionally considered to be separate from military engineering.[23]

Electrical engineering

Electrical engineering is the design, study, and manufacture of various electrical and electronic systems, such as electrical circuits, generators, motors, electromagnetic/electromechanical devices, electronic devices, electronic circuits, optical fibers, optoelectronic devices, computer systems, telecommunications, instrumentation, controls, and electronics.

Mechanical engineering

Mechanical engineering is the design and manufacture of physical or mechanical systems, such as power and energy systems, aerospace/aircraft products, weapon systems, transportation products, engines, compressors, powertrains, kinematic chains, vacuum technology, vibration isolation equipment, manufacturing, and mechatronics.

Other branches

Beyond these "Big Four", a number of other branches are recognized, though many can be thought of as sub-disciplines of the four major branches, or as cross-curricular disciplines among multiple. Historically, naval engineering and mining engineering were major branches. Other engineering fields sometimes included as major branches are manufacturing engineering, acoustical engineering, corrosion engineering, instrumentation and control, aerospace, automotive, computer, electronic, petroleum, environmental, systems, audio, software, architectural, agricultural, biosystems, biomedical,[24] geological, textile, industrial, materials,[25] and nuclear engineering.[26] These and other branches of engineering are represented in the 36 licensed member institutions of the UK Engineering Council.

New specialties sometimes combine with the traditional fields and form new branches – for example, Earth systems engineering and management involves a wide range of subject areas including anthropology, engineering studies, environmental science, ethics and philosophy of engineering.

Practice

One who practices engineering is called an engineer, and those licensed to do so may have more formal designations such as Professional Engineer, Chartered Engineer, Incorporated Engineer, Ingenieur, European Engineer, or Designated Engineering Representative. In the UK many skilled trades are called "Engineer" including gas, telephone, photocopy, maintenance, plumber-heating, drainage, sanitary, auto mechanic, TV, Refrigerator, electrician, washing machine, TV antenna installer (satellite) and many others.

Methodology

Design of a turbine requires collaboration of engineers from many fields, as the system involves mechanical, electro-magnetic and chemical processes. The blades, rotor and stator as well as the steam cycle all need to be carefully designed and optimized.

Engineers apply mathematics and sciences such as physics to find novel solutions to problems or to improve existing solutions. More than ever, engineers are now required to have a proficient knowledge of relevant sciences for their design projects. As a result, many engineers continue to learn new material throughout their career.

If multiple solutions exist, engineers weigh each design choice based on their merit and choose the solution that best matches the requirements. The crucial and unique task of the engineer is to identify, understand, and interpret the constraints on a design in order to yield a successful result. It is generally insufficient to build a technically successful product, rather, it must also meet further requirements.

Constraints may include available resources, physical, imaginative or technical limitations, flexibility for future modifications and additions, and other factors, such as requirements for cost, safety, marketability, productivity, and serviceability. By understanding the constraints, engineers derive specifications for the limits within which a viable object or system may be produced and operated.

A general methodology and epistemology of engineering can be inferred from the historical case studies and comments provided by Walter Vincenti.[27] Though Vincenti's case studies are from the domain of aeronautical engineering, his conclusions can be transferred into many other branches of engineering, too.

According to Billy Vaughn Koen, the "engineering method is the use of heuristics to cause the best change in a poorly understood situation within the available resources." Koen argues that the definition of what makes one an engineer should not be based on what he produces, but rather how he goes about it.[28]

Problem solving

A drawing for a booster engine for steam locomotives. Engineering is applied to design, with emphasis on function and the utilization of mathematics and science.

Engineers use their knowledge of science, mathematics, logic, economics, and appropriate experience or tacit knowledge to find suitable solutions to a problem. Creating an appropriate mathematical model of a problem allows them to analyze it (sometimes definitively), and to test potential solutions.

Usually, multiple reasonable solutions exist, so engineers must evaluate the different design choices on their merits and choose the solution that best meets their requirements. Genrich Altshuller, after gathering statistics on a large number of patents, suggested that compromises are at the heart of "low-level" engineering designs, while at a higher level the best design is one which eliminates the core contradiction causing the problem.

Engineers typically attempt to predict how well their designs will perform to their specifications prior to full-scale production. They use, among other things: prototypes, scale models, simulations, destructive tests, nondestructive tests, and stress tests. Testing ensures that products will perform as expected.

Engineers take on the responsibility of producing designs that will perform as well as expected and will not cause unintended harm to the public at large. Engineers typically include a factor of safety in their designs to reduce the risk of unexpected failure. However, the greater the safety factor, the less efficient the design may be.

The study of failed products is known as forensic engineering and can help the product designer in evaluating his or her design in the light of real conditions. The discipline is of greatest value after disasters, such as bridge collapses, when careful analysis is needed to establish the cause or causes of the failure.

Computer use

A computer simulation of high velocity air flow around a Space Shuttle orbiter during re-entry. Solutions to the flow require modelling of the combined effects of fluid flow and the heat equations.

As with all modern scientific and technological endeavors, computers and software play an increasingly important role. As well as the typical business application software there are a number of computer aided applications (computer-aided technologies) specifically for engineering. Computers can be used to generate models of fundamental physical processes, which can be solved using numerical methods.

One of the most widely used design tools in the profession is computer-aided design (CAD) software like CATIA, Autodesk Inventor, DSS SolidWorks or Pro Engineer which enables engineers to create 3D models, 2D drawings, and schematics of their designs. CAD together with digital mockup (DMU) and CAE software such as finite element method analysis or analytic element method allows engineers to create models of designs that can be analyzed without having to make expensive and time-consuming physical prototypes.

These allow products and components to be checked for flaws; assess fit and assembly; study ergonomics; and to analyze static and dynamic characteristics of systems such as stresses, temperatures, electromagnetic emissions, electrical currents and voltages, digital logic levels, fluid flows, and kinematics. Access and distribution of all this information is generally organized with the use of product data management software.[29]

There are also many tools to support specific engineering tasks such as computer-aided manufacturing (CAM) software to generate CNC machining instructions; manufacturing process management software for production engineering; EDA for printed circuit board (PCB) and circuit schematics for electronic engineers; MRO applications for maintenance management; and AEC software for civil engineering.

In recent years the use of computer software to aid the development of goods has collectively come to be known as product lifecycle management (PLM).[30]

Social context

Robotic Kismet can produce a range of facial expressions.

The engineering profession engages in a wide range of activities, from large collaboration at the societal level, and also smaller individual projects. Almost all engineering projects are obligated to some sort of financing agency: a company, a set of investors, or a government. The few types of engineering that are minimally constrained by such issues are pro bono engineering and open-design engineering.

By its very nature engineering has interconnections with society, culture and human behavior. Every product or construction used by modern society is influenced by engineering. The results of engineering activity influence changes to the environment, society and economies, and its application brings with it a responsibility and public safety.

Engineering projects can be subject to controversy. Examples from different engineering disciplines include the development of nuclear weapons, the Three Gorges Dam, the design and use of sport utility vehicles and the extraction of oil. In response, some western engineering companies have enacted serious corporate and social responsibility policies.

Engineering is a key driver of innovation and human development. Sub-Saharan Africa, in particular, has a very small engineering capacity which results in many African nations being unable to develop crucial infrastructure without outside aid. The attainment of many of the Millennium Development Goals requires the achievement of sufficient engineering capacity to develop infrastructure and sustainable technological development.[31]

Radar, GPS, lidar, ... are all combined to provide proper navigation and obstacle avoidance (vehicle developed for 2007 DARPA Urban Challenge)

All overseas development and relief NGOs make considerable use of engineers to apply solutions in disaster and development scenarios. A number of charitable organizations aim to use engineering directly for the good of mankind:

Engineering companies in many established economies are facing significant challenges with regard to the number of professional engineers being trained, compared with the number retiring. This problem is very prominent in the UK where engineering has a poor image and low status.[33] There are many negative economic and political issues that this can cause, as well as ethical issues[34] It is widely agreed that the engineering profession faces an "image crisis",[35] rather than it being fundamentally an unattractive career. Much work is needed to avoid huge problems in the UK and other western economies.

Code of ethics

Many engineering societies have established codes of practice and codes of ethics to guide members and inform the public at large. The National Society of Professional Engineers code of ethics states:

Engineering is an important and learned profession. As members of this profession, engineers are expected to exhibit the highest standards of honesty and integrity. Engineering has a direct and vital impact on the quality of life for all people. Accordingly, the services provided by engineers require honesty, impartiality, fairness, and equity, and must be dedicated to the protection of the public health, safety, and welfare. Engineers must perform under a standard of professional behavior that requires adherence to the highest principles of ethical conduct.[36]

In Canada, many engineers wear the Iron Ring as a symbol and reminder of the obligations and ethics associated with their profession.[37]

Relationships with other disciplines

Science

Engineers, scientists and technicians at work on target positioner inside National Ignition Facility (NIF) target chamber
Scientists study the world as it is; engineers create the world that has never been.

There exists an overlap between the sciences and engineering practice; in engineering, one applies science. Both areas of endeavor rely on accurate observation of materials and phenomena. Both use mathematics and classification criteria to analyze and communicate observations.

Scientists may also have to complete engineering tasks, such as designing experimental apparatus or building prototypes. Conversely, in the process of developing technology engineers sometimes find themselves exploring new phenomena, thus becoming, for the moment, scientists or more precisely "engineering scientists".

In the book What Engineers Know and How They Know It,[41] Walter Vincenti asserts that engineering research has a character different from that of scientific research. First, it often deals with areas in which the basic physics or chemistry are well understood, but the problems themselves are too complex to solve in an exact manner.

There is a "real and important" difference between engineering and physics as similar to any science field has to do with technology.[42][43] Physics is an exploratory science that seeks knowledge of principles while Engineering uses knowledge for practical applications of principles. The former equates an understanding into a mathematical principle while the latter measures variables involved and creates technology.[44][45][46] For technology, physics is an auxiliary and in a way technology is considered as applied physics.[47] Though Physics and Engineering are interrelated it doesn't mean a Physicist is sufficient where an Engineer is required. For this mobility, a physicist to work as an engineer requires additional and relevant specialized training.[48] Physicists and engineers engage in different lines of work.[49] But PhD physicists who specialize in sectors of technology and applied science are titled as Technology officer, R&D Engineers and System Engineers.[50] Though as an engineer, role of a physicist is limited.[51] Physicists in their field, work in theoretical analysis and experimental research.[52]

An example of this is the use of numerical approximations to the Navier–Stokes equations to describe aerodynamic flow over an aircraft, or the use of Miner's rule to calculate fatigue damage. Second, engineering research employs many semi-empirical methods that are foreign to pure scientific research, one example being the method of parameter variation.

As stated by Fung et al. in the revision to the classic engineering text Foundations of Solid Mechanics:

Engineering is quite different from science. Scientists try to understand nature. Engineers try to make things that do not exist in nature. Engineers stress innovation and invention. To embody an invention the engineer must put his idea in concrete terms, and design something that people can use. That something can be a complex system, device, a gadget, a material, a method, a computing program, an innovative experiment, a new solution to a problem, or an improvement on what already exists. Since a design has to be realistic and functional, it must have its geometry, dimensions, and characteristics data defined. In the past engineers working on new designs found that they did not have all the required information to make design decisions. Most often, they were limited by insufficient scientific knowledge. Thus they studied mathematics, physics, chemistry, biology and mechanics. Often they had to add to the sciences relevant to their profession. Thus engineering sciences were born.[53]

Although engineering solutions make use of scientific principles, engineers must also take into account safety, efficiency, economy, reliability, and constructability or ease of fabrication as well as the environment, ethical and legal considerations such as patent infringement or liability in the case of failure of the solution.

Medicine and biology

Leonardo da Vinci, seen here in a self-portrait, has been described as the epitome of the artist/engineer.[54] He is also known for his studies on human anatomy and physiology.

The study of the human body, albeit from different directions and for different purposes, is an important common link between medicine and some engineering disciplines. Medicine aims to sustain, repair, enhance and even replace functions of the human body, if necessary, through the use of technology.

Genetically engineered mice expressing green fluorescent protein, which glows green under blue light. The central mouse is wild-type.

Modern medicine can replace several of the body's functions through the use of artificial organs and can significantly alter the function of the human body through artificial devices such as, for example, brain implants and pacemakers.[55][56] The fields of bionics and medical bionics are dedicated to the study of synthetic implants pertaining to natural systems.

Conversely, some engineering disciplines view the human body as a biological machine worth studying and are dedicated to emulating many of its functions by replacing biology with technology. This has led to fields such as artificial intelligence, neural networks, fuzzy logic, and robotics. There are also substantial interdisciplinary interactions between engineering and medicine.[57][58]

Both fields provide solutions to real world problems. This often requires moving forward before phenomena are completely understood in a more rigorous scientific sense and therefore experimentation and empirical knowledge is an integral part of both.

Medicine, in part, studies the function of the human body. The human body, as a biological machine, has many functions that can be modeled using engineering methods.[59]

The heart for example functions much like a pump,[60] the skeleton is like a linked structure with levers,[61] the brain produces electrical signals etc.[62] These similarities as well as the increasing importance and application of engineering principles in medicine, led to the development of the field of biomedical engineering that uses concepts developed in both disciplines.

Newly emerging branches of science, such as systems biology, are adapting analytical tools traditionally used for engineering, such as systems modeling and computational analysis, to the description of biological systems.[59]

Art

There are connections between engineering and art;[63] they are direct in some fields, for example, architecture, landscape architecture and industrial design (even to the extent that these disciplines may sometimes be included in a university's Faculty of Engineering); and indirect in others.[63][64][65][66]

The Art Institute of Chicago, for instance, held an exhibition about the art of NASA's aerospace design.[67] Robert Maillart's bridge design is perceived by some to have been deliberately artistic.[68] At the University of South Florida, an engineering professor, through a grant with the National Science Foundation, has developed a course that connects art and engineering.[64][69]

Among famous historical figures, Leonardo da Vinci is a well-known Renaissance artist and engineer, and a prime example of the nexus between art and engineering.[54][70]

Business

Business Engineering deals with the relationship between professional engineering, IT systems, business administration and change management. Engineering management or "Management engineering" is a specialized field of management concerned with engineering practice or the engineering industry sector. The demand for management-focused engineers (or from the opposite perspective, managers with an understanding of engineering), has resulted in the development of specialized engineering management degrees that develop the knowledge and skills needed for these roles. During an engineering management course, students will develop industrial engineering skills, knowledge, and expertise, alongside knowledge of business administration, management techniques, and strategic thinking. Engineers specializing in change management must have in-depth knowledge of the application of industrial and organizational psychology principles and methods. Professional engineers often train as certified management consultants in the very specialized field of management consulting applied to engineering practice or the engineering sector. This work often deals with large scale complex business transformation or Business process management initiatives in aerospace and defence, automotive, oil and gas, machinery, pharmaceutical, food and beverage, electrical & electronics, power distribution & generation, utilities and transportation systems. This combination of technical engineering practice, management consulting practice, industry sector knowledge, and change management expertise enables professional engineers who are also qualified as management consultants to lead major business transformation initiatives. These initiatives are typically sponsored by C-level executives.

Other fields

In other fields not associated with professional engineering the words "engineer" or "engineering" has been adapted to mean design, develop, contrive, manipulate, implement an outcome. In political science, the term engineering has been borrowed for the study of the subjects of social engineering and political engineering, which deal with forming political and social structures using engineering methodology coupled with political science principles. Financial engineering has similarly borrowed the term.

See also

Lists
Glossaries
Related subjects

References

  1. "About IAENG". iaeng.org. International Association of Engineers. Retrieved 17 December 2016.
  2. ABET History
  3. Engineers' Council for Professional Development. (1947). Canons of ethics for engineers
  4. 1 2 3 4 5 6 7 8 Engineers' Council for Professional Development definition on Encyclopædia Britannica (Includes Britannica article on Engineering)
  5. Oxford English Dictionary
  6. Origin: 1250–1300; ME engin < AF, OF < L ingenium nature, innate quality, esp. mental power, hence a clever invention, equiv. to in- + -genium, equiv. to gen- begetting; Source: Random House Unabridged Dictionary, Random House, Inc. 2006.
  7. Barry J. Kemp, Ancient Egypt, Routledge 2005, p. 159
  8. "The Antikythera Mechanism Research Project", The Antikythera Mechanism Research Project. Retrieved 2007-07-01 Quote: "The Antikythera Mechanism is now understood to be dedicated to astronomical phenomena and operates as a complex mechanical "computer" which tracks the cycles of the Solar System."
  9. Wilford, John. (July 31, 2008). Discovering How Greeks Computed in 100 B.C.. New York Times.
  10. Wright, M T. (2005). "Epicyclic Gearing and the Antikythera Mechanism, part 2". Antiquarian Horology. 29 (1 (September 2005)): 54–60.
  11. Britannica on Greek civilization in the 5th century Military technology Quote: "The 7th century, by contrast, had witnessed rapid innovations, such as the introduction of the hoplite and the trireme, which still were the basic instruments of war in the 5th." and "But it was the development of artillery that opened an epoch, and this invention did not predate the 4th century. It was first heard of in the context of Sicilian warfare against Carthage in the time of Dionysius I of Syracuse."
  12. Jenkins, Rhys (1936). Links in the History of Engineering and Technology from Tudor Times. Ayer Publishing. p. 66. ISBN 0-8369-2167-4.
  13. Cowan, Ruth Schwartz (1997), A Social History of American Technology, New York: Oxford University Press, p. 138, ISBN 0-19-504605-6
  14. Hunter, Louis C. (1985). A History of Industrial Power in the United States, 1730–1930, Vol. 2: Steam Power. Charlottesville: University Press of Virginia.
  15. Williams, Trevor I. A Short History of Twentieth Century Technology. USA: Oxford University Press. p. 3. ISBN 978-0198581598.
  16. Van Every, Kermit E. (1986). "Aeronautical engineering". Encyclopedia Americana. 1. Grolier Incorporated. p. 226.
  17. Wheeler, Lynde, Phelps (1951). Josiah Willard Gibbs — the History of a Great Mind. Ox Bow Press. ISBN 1-881987-11-6.
  18. Journal of the British Nuclear Energy Society: Volume 1 British Nuclear Energy Society – 1962 – Snippet view Quote: In most universities it should be possible to cover the main branches of engineering, i.e. civil, mechanical, electrical and chemical engineering in this way. More specialised fields of engineering application, of which nuclear power is ...
  19. The Engineering Profession by Sir James Hamilton, UK Engineering Council Quote: "The Civilingenior degree encompasses the main branches of engineering civil, mechanical, electrical, chemical." (From the Internet Archive)
  20. Indu Ramchandani (2000). Student's Britannica India,7vol.Set. Popular Prakashan. p. 146. ISBN 978-0-85229-761-2. Retrieved 23 March 2013. BRANCHES There are traditionally four primary engineering disciplines: civil, mechanical, electrical and chemical.
  21. "History and Heritage of Civil Engineering". ASCE. Archived from the original on 16 February 2007. Retrieved 8 August 2007.
  22. "What is Civil Engineering". Institution of Civil Engineers. Retrieved 15 May 2017.
  23. "Civil engineering". Encyclopædia Britannica. Retrieved 9 August 2007.
  24. Bronzino JD, ed., The Biomedical Engineering Handbook, CRC Press, 2006, ISBN 0-8493-2121-2
  25. Bensaude-Vincent, Bernadette (March 2001). "The construction of a discipline: Materials science in the United States". Historical Studies in the Physical and Biological Sciences. 31 (2): 223–248. doi:10.1525/hsps.2001.31.2.223.
  26. "Archived copy" (PDF). Archived from the original (PDF) on 2011-09-29. Retrieved 2011-08-02.
  27. Vincenti, Walter G. (1993-02-01). What Engineers Know and How They Know It: Analytical Studies from Aeronautical History. The Johns Hopkins University Press. ISBN 0-8018-4588-2.
  28. Koen, Billy Vaughn (2013). Discussion of The Method (1 ed.). New York Oxford: Oxford University Press. p. 8. ISBN 0-19-515599-8. Retrieved 23 July 2015.
  29. Arbe, Katrina (2001-05-07). "PDM: Not Just for the Big Boys Anymore". ThomasNet. Retrieved 2006-12-30.
  30. Arbe, Katrina (2003-05-22). "The Latest Chapter in CAD Software Evaluation". ThomasNet. Retrieved 2006-12-30.
  31. MDG info pdf
  32. Home page for EMI Archived 2012-04-14 at the Wayback Machine.
  33. "engineeringuk.com/About_us".
  34. "Archived copy". Archived from the original on 2014-06-19. Retrieved 2014-06-19.
  35. "Archived copy". Archived from the original on 2014-10-06. Retrieved 2014-06-19.
  36. Code of Ethics, National Society of Professional Engineers
  37. Origin of the Iron Ring concept
  38. Rosakis, Ares Chair, Division of Engineering and Applied Science. "Chair's Message, Caltech.". Archived from the original on 4 November 2011. Retrieved 15 October 2011.
  39. Ryschkewitsch, M.G. NASA Chief Engineer. "Improving the capability to Engineer Complex Systems –Broadening the Conversation on the Art and Science of Systems Engineering" (PDF). p. 8 of 21. Retrieved 15 October 2011.
  40. American Society for Engineering Education (1970). Engineering education. 60. American Society for Engineering Education. p. 467. The great engineer Theodore von Karman once said, "Scientists study the world as it is, engineers create the world that never has been." Today, more than ever, the engineer must create a world that never has been ...
  41. Vincenti, Walter G. (1993). What Engineers Know and How They Know It: Analytical Studies from Aeronautical History. Johns Hopkins University Press. ISBN 0-8018-3974-2.
  42. Walter G Whitman; August Paul Peck. Whitman-Peck Physics. American Book Company, 1946, p. 06. OCLC 3247002
  43. Ateneo de Manila University Press. Philippine Studies, vol. 11, no. 4, 1963. p. 600
  44. "Relationship between physics and electrical engineering," in Journal of the A.I.E.E., vol. 46, no. 2, pp. 107-108, Feb. 1927.
  45. Puttaswamaiah. Future Of Economic Science. Oxford and IBH Publishing, 2008, p. 208.
  46. Yoseph Bar-Cohen, Cynthia L. Breazeal. Biologically Inspired Intelligent Robots. SPIE Press, 2003. ISBN 9780819448729. p. 190
  47. C. Morón, E. Tremps, A. García, J.A. Somolinos (2011) The Physics and its Relation with the Engineering, INTED2011 Proceedings pp. 5929-5934. ISBN 978-84-614-7423-3
  48. R Gazzinelli, R L Moreira, W N Rodrigues. Physics and Industrial Development: Bridging the Gap. World Scientific, 1997, p. 110.
  49. Steve Fuller. Knowledge Management Foundations. Routledge, 2012. ISBN 9781136389825. p. 92
  50. "Industrial Physicists: Primarily specialising in Engineering" (PDF). American Institute for Physics. October 2016.
  51. "2111 - Physicists and astronomers". National Occupational Classification - Canada. 2016. Retrieved November 11, 2016.
  52. "Physicist". nationalcareersservice.direct.gov.uk. National Careers Service, United Kingdom. 7 October 2016.
  53. Classical and Computational Solid Mechanics, YC Fung and P. Tong. World Scientific. 2001.
  54. 1 2 Bjerklie, David. "The Art of Renaissance Engineering." MIT's Technology Review Jan./Feb.1998: 54-9. Article explores the concept of the "artist-engineer", an individual who used his artistic talent in engineering. Quote from article: Da Vinci reached the pinnacle of "artist-engineer"-dom, Quote2: "It was Leonardo da Vinci who initiated the most ambitious expansion in the role of artist-engineer, progressing from astute observer to inventor to theoretician." (Bjerklie 58)
  55. Ethical Assessment of Implantable Brain Chips. Ellen M. McGee and G. Q. Maguire, Jr. from Boston University
  56. IEEE technical paper: Foreign parts (electronic body implants).by Evans-Pughe, C. quote from summary: Feeling threatened by cyborgs?
  57. Institute of Medicine and Engineering: Mission statement The mission of the Institute for Medicine and Engineering (IME) is to stimulate fundamental research at the interface between biomedicine and engineering/physical/computational sciences leading to innovative applications in biomedical research and clinical practice. Archived 2007-03-17 at the Wayback Machine.
  58. IEEE Engineering in Medicine and Biology: Both general and technical articles on current technologies and methods used in biomedical and clinical engineering ...
  59. 1 2 Royal Academy of Engineering and Academy of Medical Sciences: Systems Biology: a vision for engineering and medicine in pdf: quote1: Systems Biology is an emerging methodology that has yet to be defined quote2: It applies the concepts of systems engineering to the study of complex biological systems through iteration between computational or mathematical modelling and experimentation.
  60. Science Museum of Minnesota: Online Lesson 5a; The heart as a pump
  61. Minnesota State University emuseum: Bones act as levers Archived 2008-12-20 at the Wayback Machine.
  62. UC Berkeley News: UC researchers create model of brain's electrical storm during a seizure
  63. 1 2 Lehigh University project: We wanted to use this project to demonstrate the relationship between art and architecture and engineering
  64. 1 2 National Science Foundation:The Art of Engineering: Professor uses the fine arts to broaden students' engineering perspectives
  65. MIT World:The Art of Engineering: Inventor James Dyson on the Art of Engineering: quote: A member of the British Design Council, James Dyson has been designing products since graduating from the Royal College of Art in 1970.
  66. University of Texas at Dallas: The Institute for Interactive Arts and Engineering
  67. Aerospace Design: The Art of Engineering from NASA's Aeronautical Research
  68. Princeton U: Robert Maillart's Bridges: The Art of Engineering: quote: no doubt that Maillart was fully conscious of the aesthetic implications ...
  69. quote:..the tools of artists and the perspective of engineers.. Archived 2007-09-27 at the Wayback Machine.
  70. Drew U: user website: cites Bjerklie paper Archived 2007-04-19 at the Wayback Machine.

Further reading

  • Blockley, David (2012). Engineering: a very short introduction. New York: Oxford University Press. ISBN 978-0-19-957869-6. 
  • Dorf, Richard, ed. (2005). The Engineering Handbook (2 ed.). Boca Raton: CRC. ISBN 0-8493-1586-7. 
  • Billington, David P. (1996-06-05). The Innovators: The Engineering Pioneers Who Made America Modern. Wiley; New Ed edition. ISBN 0-471-14026-0. 
  • Petroski, Henry (1992-03-31). To Engineer is Human: The Role of Failure in Successful Design. Vintage. ISBN 0-679-73416-3. 
  • Petroski, Henry (1994-02-01). The Evolution of Useful Things: How Everyday Artifacts-From Forks and Pins to Paper Clips and Zippers-Came to be as They are. Vintage. ISBN 0-679-74039-2. 
  • Lord, Charles R. (2000-08-15). Guide to Information Sources in Engineering. Libraries Unlimited. ISBN 1-56308-699-9. doi:10.1336/1563086999. 
  • Vincenti, Walter G. (1993-02-01). What Engineers Know and How They Know It: Analytical Studies from Aeronautical History. The Johns Hopkins University Press. ISBN 0-8018-4588-2. 
  • Hill, Donald R. (1973-12-31) [1206]. The Book of Knowledge of Ingenious Mechanical Devices: Kitáb fí ma'rifat al-hiyal al-handasiyya. Pakistan Hijara Council. ISBN 969-8016-25-2. 
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.