Grigory Isaakovich Barenblatt (; 10 July 1927 – 22 June 2018) was a Russian

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

Education

Barenblatt graduated in 1950 from

Moscow State University Moscow State University (MSU), officially M. V. Lomonosov Moscow State University,. is a public university, public research university in Moscow, Russia. The university includes 15 research institutes, 43 faculties, more than 300 departments, a ...

, Department of Mechanics and Mathematics. He received his Ph.D. in 1953 from Moscow State University under the supervision of A. N. Kolmogorov.

Career and research

Barenblatt also received a D.Sc. from Moscow State University in 1957. He was an emeritus Professor in Residence at the Department of Mathematics of the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

and Mathematician at Department of Mathematics,

Lawrence Berkeley National Laboratory Lawrence Berkeley National Laboratory (LBNL, Berkeley Lab) is a Federally funded research and development centers, federally funded research and development center in the Berkeley Hills, hills of Berkeley, California, United States. Established i ...

. He was G. I. Taylor Professor of Fluid Mechanics at the

University of Cambridge The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...

from 1992 to 1994 and he was Emeritus G. I. Taylor Professor of Fluid Mechanics. His areas of research were: #

Fracture mechanics Fracture mechanics is the field of mechanics concerned with the study of the propagation of cracks in materials. It uses methods of analytical solid mechanics to calculate the driving force on a crack and those of experimental solid mechanics t ...

# The theory of

fluid In physics, a fluid is a liquid, gas, or other material that may continuously motion, move and Deformation (physics), deform (''flow'') under an applied shear stress, or external force. They have zero shear modulus, or, in simpler terms, are M ...

and

gas Gas is a state of matter that has neither a fixed volume nor a fixed shape and is a compressible fluid. A ''pure gas'' is made up of individual atoms (e.g. a noble gas like neon) or molecules of either a single type of atom ( elements such as ...

flow Flow may refer to: Science and technology * Fluid flow, the motion of a gas or liquid * Flow (geomorphology), a type of mass wasting or slope movement in geomorphology * Flow (mathematics), a group action of the real numbers on a set * Flow (psyc ...

s in

porous media In materials science, a porous medium or a porous material is a material containing pores (voids). The skeletal portion of the material is often called the "matrix" or "frame". The pores are typically filled with a fluid (liquid or gas). The sk ...

# The

mechanics Mechanics () is the area of physics concerned with the relationships between force, matter, and motion among Physical object, physical objects. Forces applied to objects may result in Displacement (vector), displacements, which are changes of ...

of a non-classical deformable

solid Solid is a state of matter where molecules are closely packed and can not slide past each other. Solids resist compression, expansion, or external forces that would alter its shape, with the degree to which they are resisted dependent upon the ...

s #

Turbulence In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow velocity. It is in contrast to laminar flow, which occurs when a fluid flows in parallel layers with no disruption between ...

Awards and honors

* 1975 – Foreign Honorary Member,

American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...

* 1984 – Foreign Member, Danish Center of Applied Mathematics & Mechanics * 1988 – Foreign Member, Polish Society of Theoretical & Applied Mechanics * 1989 – Doctor of Technology Honoris Causa at the Royal Institute of Technology, Stockholm, Sweden * 1992 – Foreign Associate, U.S.

National Academy of Engineering The National Academy of Engineering (NAE) is an American Nonprofit organization, nonprofit, NGO, non-governmental organization. It is part of the National Academies of Sciences, Engineering, and Medicine (NASEM), along with the National Academ ...

* 1993 – Fellow,

Cambridge Philosophical Society The Cambridge Philosophical Society (CPS) is a scientific society at the University of Cambridge. It was founded in 1819. The name derives from the medieval use of the word philosophy to denote any research undertaken outside the fields of law ...

* 1993 – Member, Academia Europaea * 1994 – Fellow, Gonville and Caius College, Cambridge; (since 1999, Honorary Fellow) * 1995 – Lagrange Medal, Accademia Nazionale dei Lincei * 1995 – Modesto Panetti Prize and Medal * 1996 - Visiting

Miller A miller is a person who operates a mill, a machine to grind a grain (for example corn or wheat) to make flour. Milling is among the oldest of human occupations. "Miller", "Milne" and other variants are common surnames, as are their equivalents ...

Professorship - University of California Berkeley * 1997 – Foreign Associate, U.S.

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, NGO, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the ...

* 1999 –

G. I. Taylor Sir Geoffrey Ingram Taylor Order of Merit, OM Royal Society of London, FRS FRSE (7 March 1886 – 27 June 1975) was a British physicist and mathematician, who made contributions to fluid dynamics and wave theory. Early life and education Tayl ...

Medal, U.S. Society of Engineering Science * 1999 –

J. C. Maxwell James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish physicist and mathematician who was responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism a ...

Medal and Prize, International Congress for Industrial and Applied Mathematics * 2000 – Foreign Member,

Royal Society of London The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, r ...

* 2005 –

Timoshenko Medal The Timoshenko Medal is an award given annually by the American Society of Mechanical Engineers (ASME) to an individual "in recognition of distinguished contributions to the field of applied mechanics." The Timoshenko Medal, widely regarded as ...

American Society of Mechanical Engineers The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing edu ...

, "for seminal contributions to nearly every area of solid and fluid mechanics, including fracture mechanics, turbulence, stratified flows, flames, flow in porous media, and the theory and application of intermediate asymptotics."

References

External links

*
Applied mechanics: an age old science perpetually in rebirth (pdf)
The Timoshenko Medal acceptance speech by Grigory Barenblatt (to be published by ASME in summer 2006). {{DEFAULTSORT:Barenblatt, Grigory 1927 births 2018 deaths 20th-century Russian mathematicians 21st-century Russian mathematicians Fellows of the American Academy of Arts and Sciences Fellows of Gonville and Caius College, Cambridge Fluid dynamicists Foreign members of the Royal Society Jewish Russian scientists Members of Academia Europaea Foreign associates of the National Academy of Sciences Moscow State University alumni Mathematicians from Moscow Russian Jews University of California, Berkeley College of Letters and Science faculty Foreign associates of the National Academy of Engineering G. I. Taylor Professors of Fluid Mechanics