Alfred M. Freudenthal

from Wikipedia, the free encyclopedia

Alfred Martin Freudenthal (* 12. February 1906 in Stryj , then Austria-Hungary , now Ukraine ; † 27. September 1977 in Maryland ) was an American engineer scientist for mechanics .

Life

Freudenthal studied civil engineering in Prague (graduation in 1929) and Lemberg (graduation in 1932) and received his doctorate in 1930 from the German University of Prague with a thesis on plasticity theory . He then worked in structural engineering, including applying the theory of plasticity to reinforced concrete construction and investigating the creep of concrete in long-span arches (independent of Franz Dischinger ). In 1935 he emigrated to Palestine, where he was chief engineer on a port construction project near Tel Aviv from 1936 to 1946 and from 1936 lecturer and later professor for bridge construction at the Hebrew Institute of Technology in Haifa . In 1947 he went as a visiting professor at the University of Illinois (he received the invitation after the publication of a paper on the statistical theory of fatigue ) and from 1949 he was professor of civil engineering at Columbia University . In 1969 he became Professor of Civils and Material Engineering at George Washington University and Director of the Institute for the Study of Fatigue and Structural Reliability there , which was originally founded in 1962 at Columbia University by Freudenthal and which he took with him to George Washington University .

He is particularly known for studying the fatigue properties of metals and other materials and for methods for assessing the resulting reliability problems.

He has twice received the Norman Medal of the American Society of Civil Engineers , he received the Von Karman Medal (1971) and the Medal of the Swedish Aeronautical Society. In 1976 he was elected to the National Academy of Engineering .

Alfred M. Freudenthal Medal

In 1975 the American Society for Civil Engineers donated the Freudenthal Medal in his honor. It is awarded by the ASCE in even years for studies on safety and reliability in civil engineering. Prize winners were:

Fonts

  • with others: Probabilistic methods in structural engineering , Vulkan Verlag Classen 1976
  • Introduction to the mechanics of solids , Wiley 1966
  • Inelastic behavior of engineering materials and structures , Wiley 1950 (German translation: Inelastic behavior of materials , Verlag Technik, Berlin 1955)
  • Editor Fatigue in Aircraft Structures (Columbia University Conference 1956), Academic Press 1956
  • Editor International Conference on Structural Safety and Reliability (Smithsonian 1969), Pergamon Press 1972
  • Selected Papers , American Society of Civil Engineers 1981
  • with Hilda Geiringer The mathematical theory of the inelastic continuum , in Siegfried Flügge (Ed.) Handbook of Physics , Volume 6, Elasticity and Plasticity , Springer Verlag 1958
  • Fatigue , in Siegfried Flügge (Ed.) Handbook of Physics , Volume 6, Elasticity and Plasticity , Springer Verlag 1958

literature

Web links

Individual evidence

  1. ↑ Freudenthal Methods of plasticity theory in the investigation of statically indeterminate structures made of reinforced concrete , in L. Karner, M. Ritter (Ed.): Proc. Int. Assoc. for Bridge and Structural Engineering (IABSE), Volume 2, Zurich 1934, pp. 180-192. Freudenthal The change in the stress state of wide-span flat reinforced concrete arches due to the plastic deformation of the concrete , concrete and iron, Volume 34, 1935, pp. 176-184. Freudenthal The permanent plastic deformation of the stiffened rod arch , concrete and iron, Volume 35, 1936, pp. 206-209. Freudenthal theory of grandes voutes en beton et en beton armé , in L. Karner, M. Ritter (Ed.) Proc. Int. Assoc. for Bridge and Structural Engineering (IABSE), Volume 4, Zurich 1936, pp. 249-264
  2. ^ The Alfred M. Freudenthal Medal. Retrieved May 2, 2020 .
personal data
SURNAME Freudenthal, Alfred M.
ALTERNATIVE NAMES Freudenthal, Alfred Martin
BRIEF DESCRIPTION American mechanical engineer
DATE OF BIRTH February 12, 1906
PLACE OF BIRTH Stryj
DATE OF DEATH September 27, 1977
Place of death Maryland