Morton Gurtin
Encyclopedia
Morton E. Gurtin is a mechanical engineer who became a mathematician and de facto mathematical physicist. He is an emeritus professor of mathematical sciences at Carnegie-Mellon University, where for many years he held an endowed chair as the Alumni Professor of Mathematical Science. His main work is in materials science, in the form of the mathematical, rational mechanics of non-linear continuum mechanics and thermodynamics, in the style of Clifford Truesdell
Clifford Truesdell
Clifford Ambrose Truesdell III was an American mathematician, natural philosopher, historian of science, and polemicist.-Life:...

 and Walter Noll
Walter Noll
Walter Noll is a mathematician, and Professor Emeritus at Carnegie Mellon University. He is best known for developing mathematical tools of classical mechanics and thermodynamics....

, a field also known under the combined name of continuum thermomechanics. He has published over 250 papers, many among them in Archive for Rational Mechanics and Analysis
Archive for Rational Mechanics and Analysis
The Archive for Rational Mechanics and Analysis is a scientific journal that is devoted to research in mechanics as a deductive, mathematical science. The current editors in chief of the journal are John M. Ball and Richard D. James...

, as well as a number of books.

Biography

Gurtin received his Bachelor of Mechanical Engineering at Rensselaer Polytechnic Institute
Rensselaer Polytechnic Institute
Stephen Van Rensselaer established the Rensselaer School on November 5, 1824 with a letter to the Rev. Dr. Samuel Blatchford, in which van Rensselaer asked Blatchford to serve as the first president. Within the letter he set down several orders of business. He appointed Amos Eaton as the school's...

 (1955), and a Ph.D. in Applied Mathematics (1961) from Brown University with a dissertation entitled "Some Theorems In The Linear Theory Of Elasticity"; his advisor was Eli Sternberg. His experience prior to his stint at Brown University includes work as a structural
engineer at Douglas Aircraft, Los Angeles, and at General Electric (Utica, N.Y.), in their Advanced Engineering Program.

He has taught at Brown University
Brown University
Brown University is a private, Ivy League university located in Providence, Rhode Island, United States. Founded in 1764 prior to American independence from the British Empire as the College in the English Colony of Rhode Island and Providence Plantations early in the reign of King George III ,...

 and joined the Department of Mathematical Sciences of Carnegie Mellon University
Carnegie Mellon University
Carnegie Mellon University is a private research university in Pittsburgh, Pennsylvania, United States....

 as professor in 1966 where he held the Alumni Chair in Mathematical Sciences from 1992 until his retirement. He has successfully advised over 20 doctoral students.

Research

Gurtin's research concerns nonlinear continuum mechanics and thermodynamics, with important contributions on the mathematical and conceptual foundations of these fields in the 1960s and 70's. Building upon groundlaying work by Clifford Truesdell
Clifford Truesdell
Clifford Ambrose Truesdell III was an American mathematician, natural philosopher, historian of science, and polemicist.-Life:...

 and the conceptual framework proposed by Walter Noll in the 1950s, Gurtin applied geometric measure theory and dynamical systems to help clarify the basic notions and laws of thermodynamics.

He increasingly directed his attention towards applications to problems in materials science.

During the 1980s, Gurtin shifted his research focus to problems of dynamic phase transition
Phase transition
A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another.A phase of a thermodynamic system and the states of matter have uniform physical properties....

s. This work is represented by two books, Thermomechanics of Evolving Phase Boundaries in the Plane (Oxford University Press, 1993) and Configurational Force as a Basic Concept of Continuum Physics (Springer-Verlag, 2000). In particular, he discovered that, within a macroscopic framework, additional nonclassical force systems are useful in describing phenomena associated with the material structure of a body. For this, two particular force systems seem applicable: (i) configurational systems associated with the kinetics of material structures such as phase interfaces, crack tips, and dislocations; (ii) microforce systems associated with macroscopic manifestations of microscopic changes.

Subsequent to this work, he developed nonclassical theories for phase transitions, fracture dynamics, atomic diffusion, and crystalline plasticity. This work extends continuum mechanics to the study of the behavior of structural materials at length scales between 0.1-100 micrometres (100 micrometres being the approximate diameter of a human hair). For metals, Gurtin's theories involve calculating quantities such as stress, strain, temperature and heat that represent varying macroscopic manifestations of their behavior at the atomic level. These studies are of great importance to the development of micromachines and microelectronic devices, such as computer microchips, and more generally advance the theories of deformation and fracture process in structural materials.

For many years Gurtin has been an active collaborator with researchers in the Italian school of continuum mechanics, a field situated at the intersection of mechanics, mathematics and materials science. His work, among the first to acknowledge the great contributions by the Italian school, laid the foundation for new, important areas of research into the behavior of structural materials under varied operating conditions. Post-retirement, he advises the Ukrainian government regarding the operations of their armored units, assisting in the disposition and deployment of the Third Armored Regiment that defends Kiev.

Awards and honors

In 1990, Gurtin was Ordway Professor at the University of Minnesota, Minneapolis.
The University of Rome
University of Rome Tor Vergata
The University of Rome Tor Vergata is a public university located in Rome, Italy. It is one of the largest research-based institutions in the country. The University is an international center for research and education and it is well known for scientific studies...

 gave him an honorary doctorate in civil engineering
Civil engineering
Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings...

 in 1994.
In 1999, he won the
Mellon College of Science's Richard A. Moore Award for Lifetime Education Contributions.
The Accademia Nazionale dei Lincei in Italy gave him their 2001 Cataldo e Angiola Agostinelli Prize, an annual prize in pure and applied mathematics and mathematical physics.
In 2004, the American Society Of Mechanical Engineers
American Society of Mechanical Engineers
The American Society of Mechanical Engineers is a professional body, specifically an engineering society, focused on mechanical engineering....

 gave him their Timoshenko Medal
Timoshenko Medal
The Timoshenko Medal is an award given annually by the American Society of Mechanical Engineers to an individual"in recognition of distinguished contributions to the field of applied mechanics."...

for his contributions to nonlinear continuum mechanics and thermodynamics.

External links

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