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IssuesArchive of Issues2018-4pp.385-396

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Total articles in the database: 4893
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V.A. Komarov, "Dimensionless Criterion of Power Perfection of a Structure," Mech. Solids. 53 (4), 385-396 (2018)
Year 2018 Volume 53 Number 4 Pages 385-396
DOI 10.3103/S0025654418040040
Title Dimensionless Criterion of Power Perfection of a Structure
Author(s) V.A. Komarov (Samara National Research University, Moskovskoye sh. 34, Samara, 443086 Russia, vkomarov@ssau.ru)
Abstract The problem of quantitative estimation of the power schemes of structures is considered. The integral characteristic of structures, the "power factor," which simultaneously reflects the magnitude and extension of the action of internal forces arising from an external load, is discussed. Geometrically similar transformations of constructions are considered. As a measure of the effectiveness of power schemes, a dimensionless criterion is proposed, which is calculated as the ratio of the power factor to the characteristic size and load. Examples of the definition of this criterion for aircraft wings, pressure vessels and structures operating in bending and torsion are given. The application of a dimensionless criterion is demonstrated by comparing the variants of power schemes, building weight formulae for estimating the absolute and relative mass of structures and solving problems of multidisciplinary optimization.
Keywords structural engineering, structural strength, structural mass estimation, design criteria, multidisciplinary optimization
References
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19.  V.A. Komarov and A.V.  Gumenyuk, "Evaluation of the Weighting Efficiency of Load Bearing Power Bearing Schemes," Vest. Sam. Gos. Aerocos. Univ. 1 (1), 45-54 (2002).
20.  A.V. Boldyrev, "Weight Analysis of the Wings of an Unconventional Configuration," Polyot, No. 10, 57-60 (2009).
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24.  V.A. Komarov, "Design of Power Additive Structures: Theoretical Foundations," Ont. Design. 7, No. 2 (24), 191-206 (2017).
25.  V.A. Komarov, A.V. Boldyrev, A.S. Kuznetsov, and M.Yu. Lapteva, "Aircraft Design Using Variable Density Model," Air. Engng Aero. Tech. %Aircraft Engineering and Aerospace Technology. 84 (3), 162-171 (2012).
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27.  V.A. Komarov and O.E. Lukyanov, "Multidisciplinary Optimization of the Parameters of the Wing of a Cargo Plane," Polyot, No. 3, 3-15 (2018).
Received 04 December 2017
Link to Fulltext https://link.springer.com/article/10.3103/S0025654418040040
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