Karl Wieghardt (mathematician)
Karl Wieghardt (full name: Karl Friedrich Daniel Wieghardt ; born June 21, 1874 in Bergeborbeck near Essen , † June 10, 1924 in Dresden ) was a German mathematician, physicist and professor of mechanics.
Live and act
Wieghardt studied mechanical engineering and then mathematics in Göttingen , where he received his doctorate in 1903 under Felix Klein . Following on from Maxwell's work on reciprocal figures in truss theory, Klein and Wieghardt suggested in 1904 that when determining the stress distribution of a thin elastic disk, we should look for a solution that is based on the equivalence of the states of tension of a disk with a close-meshed framework with the same edge and load - The work presented in 2015 by William F. Baker et al. is based on this method, which Wieghardt expanded in 1906 . a. for the development of design tools for flat trusses with the help of an extended Airy stress function .
In 1904 Wieghardt completed his habilitation at the TH Aachen , where he was briefly a private lecturer. Two years later he became an associate professor for technical mechanics in Braunschweig. From 1907 Wieghardt was professor for higher mathematics and mechanics at the TH Hannover , from 1911 he was professor for pure mathematics and statics at the TH Vienna and from 1920 he was professor for technical mechanics at the TH Dresden .
In 1907 he published one of the first papers on fracture mechanics. In 1912/1914 he wrote the article "Theory of Building Construction" for the Encyclopedia of Mathematical Sciences .
He was married to the children's author Auguste Lazar for the second time . His son Karl Wieghardt (1913–1996) was later a physics professor in Hamburg (author of the theoretical fluid mechanics , Teubner).
Works (selection)
- About the statics of level trusses with slack bars. (Dissertation, Göttingen) Printed by Dieterich'schen Univ. Letterpress (WF Kaestner), Göttingen 1903, OCLC 23618701 .
- About splitting and tearing elastic bodies. 1907.
- Theory of Building Construction II: More specific versions. In: Encyclopedia of Mathematical Sciences. Volume IV-4, Issue 5, OCLC 25258425 .
- About stress distributions in beams and reinforced concrete. 1908.
- About a few simple but lesser-known sentences from the statics of trusses. 1915.
- Beam on a flexible base. 1922.
literature
- Dorit Petschel : 175 years of TU Dresden. Volume 3: The professors of the TU Dresden 1828–2003. Edited on behalf of the Society of Friends and Supporters of the TU Dresden e. V. von Reiner Pommerin , Böhlau, Cologne a. a. 2003, ISBN 3-412-02503-8 , pp. 1037-1038 ( limited preview in Google book search).
Individual evidence
- ^ Karl-Eugen Kurrer : The History of the Theory of Structures. Searching for Equilibrium . Ernst & Sohn , Berlin 2018, ISBN 978-3-433-03229-9 p. 851f. u. 960f.
- ^ Bettina Gundler : Technical University, Education, State and Economy. Olms, Hildesheim 1991, ISBN 3-487-09545-9 , p. 167.
personal data | |
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SURNAME | Wieghardt, Karl |
ALTERNATIVE NAMES | Wieghardt, Karl Friedrich Daniel (full name) |
BRIEF DESCRIPTION | German mathematician |
DATE OF BIRTH | June 21, 1874 |
PLACE OF BIRTH | Bergeborbeck |
DATE OF DEATH | June 10, 1924 |
Place of death | Dresden |