Theodor Johannes Lehmann

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Theodor Johannes Lehmann (born August 10, 1920 in Groß Wandriß near Strehlen in Silesia ; † August 29, 1991 in Hanover ) was a German mechanical and civil engineer, professor of technical mechanics at the Ruhr University in Bochum .

Life

Lehmann studied - after labor service and six years of military service in the Second World War - from 1946 mechanical engineering at the TH Hannover and was from 1949 assistant at the chair for mechanics, where he received his doctorate in 1952 (a contribution to the theory of axially perfused blade grilles). He then worked for four years as an engineer in the sinking works in Hildesheim before returning to the TH Hannover in 1956. Until 1958 he was chief engineer at the chair for machine tools and forming technology (under Otto Kienzle ) and then at the chair for mechanics and strength theory under Eduard Pestel , where he qualified as a professor in 1959 (some considerations on the fundamentals of forming technology). At that time he dealt in particular with the theory of plasticity . He was then a private lecturer and from 1961 full professor for building mechanics. In 1969 he became the first professor of technical mechanics (Chair of Mechanics I) at the Ruhr University in Bochum, where he retired in 1985. However, he continued to manage the chair on a provisional basis until his successor Otto Bruhns was appointed in 1987.

He died in Hanover in 1991 after an operation.

Fonts

  • with Otto Bruhn's Elements of Mechanics , 3 volumes, Vieweg 1993/94 (Volume 1: Introduction, Statics, Volume 2: Elastostatics, Volume 3: Kinetics)
    • first in 4 volumes, Vieweg from 1974 (2nd edition 1984/85)
  • with Horst Klepp: Technical Mechanics , 2 volumes, Heidelberg: Hüthig 1987 (Volume 1: Elastostatics, Volume 2: Kinematics and kinetics, vibrations, shock processes)
  • as editor: The constitutive law in thermoplasticity, Springer Verlag 1984
  • as editor and editor: Sandor Kaliszky plasticity theory , VDI Verlag 1984 (from the Hungarian)

literature

  • W. Muschik (Ed.) Non-equilibrium thermodynamics with application to solids: dedicated to the memory of Professor Theodor Lehmann , Springer Verlag 1993

Web links

personal data
SURNAME Lehmann, Theodor Johannes
BRIEF DESCRIPTION German engineering scientist
DATE OF BIRTH August 10, 1920
PLACE OF BIRTH Large wall plan
DATE OF DEATH August 29, 1991
Place of death Hanover