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2012, № 9 (145)



Kucha G.V., Mosaleva I.I. FLUCTUATIONS OF THE THIN-WALLED CORE IN VIEW OF COMPLICATING FACTORSThe account of deformations of shift, effect of the Karman and stretching of an average line of section at research of fluctuations of a thin-walled core will allow to detect additional frequency and essential distinctions in the frequencies which are not considering complicating factors. The mathematical model, allowing to define frequency of own fluctuations of thin-walled cores of the closed structure is offered at various values of dimensionless parameters.Key words: the thin-walled core, the closed structure, deformation of shift, effect of the Karman, a stretching of a median line, section.

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References:

1. Korbut B.A., Lazareva G.V. (Kucha G.V.) About the dynamic theory of thin-walled curvilinear cores // Prikl. mechanics. — 1982. — Vol. XXIII. — №5. — P. 98–104.

2. Kucha G.V., Ruhlina A.N. Dynamic theory of thin-walled curved rods closed profile / OSU. — Orenburg.

3. Beilin E.A., Lazarev G.V. (Kucha G.V.) Definition of free frequencies of flexural-torsional vibrations of thin-walled curved rods with consideration of deformation rotation sections / Leningr. ing.-builds. ying-t. — L., 1985. — 13 p. Chairman. TECHNICAL INFORMATION, 20.08.85 No. 6143-85 STA


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Authors: Kucha G.V., Mosaleva I.I.

Year: 2012


Editor-in-chief
Sergey Aleksandrovich
MIROSHNIKOV

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