Kolosov

Gury Vasilievich Kolosov

Born: 25 Aug 1867 in Ust, Novgorod guberniya, Russia
Died: 7 Nov 1936 in Leningrad (now St Petersburg), Russia

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Kolosov was educated at St Petersburg and after working at Yurev University from 1902 to 1913, he returned to St Petersburg where he spent the rest of his career. He studied the mechanics of solid bodies and the theory of elasticity.

In 1907 Kolosov derived the solution for stresses around an elliptical hole. It showed that the concentration of stress could become far greater, as the radius of curvature at an end of the hole becomes small compared with the overall length of the hole. Engineers have to understand Kolosov results so that stresses can be kept to safe levels.

From 1908 onwards Kolosov devoted himself exclusively to the study of elasticity where the formulas he discovered are still used.

References:

  1. Dictionary of Scientific Biography
  2. G Ryago, Gury Vasilievich Kolosov, Uchenye zapiski Tartuskogo 37 (1955), 96-103. 
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JOC/EFR February 1996