Hillel Poritsky

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Hillel Poritsky ( June 28, 1898 - February 16, 1990 ) was an American applied mathematician.

Poritsky became an instructor in mathematics at Cornell University in 1920 . Later he was with General Electric in their research laboratories in Schenectady.

Poritsky dealt with applied mechanics (including contact mechanics) and mathematical physics. In 1938 he applied a variant of the Galerkin method (method of weighted residuals ) to reduce partial differential equations to ordinary differential equations .

He has lectured in the summer courses in Applied Mechanics at Brown University .

In 1967 he received the Timoshenko Medal .

Fonts

  • Extension of Weyl's Integral for Harmonic Spherical Waves to Arbitrary Wave Shapes. In: Symposium on the Theory of Electromagnetic Waves (New York, June 1950), Interscience, New York 1951, p. 97
  • The reduction of the solution from certain partial differential equations to ordinary differential equations. In: Transactions Fifth International Congress of Applied Mechanics. Cambridge / Massachusetts 1938, pp. 700-707
  • The collapse or growth of a spherical bubble or cavity in a viscous fluid. In: Proc. First US National Congr. Appl. Mech. ASME 1952, pp. 813-821
  • Stresses and deflections of cylindrical bodies in contact with application to contact of geers and locomotive wheels. In: Journal of Applied Mechanics. Volume 17, 1950, pp. 191-201

Web links

Individual evidence

  1. ^ Hillel Poritsky
  2. ↑ Register Cornell University 1926. At that time only with a bachelor's degree (AB)
  3. ^ Science . Volume 93, 1941, p. 562
personal data
SURNAME Poritsky, Hillel
BRIEF DESCRIPTION American mathematician
DATE OF BIRTH June 28, 1898
DATE OF DEATH February 16, 1990