Buckling of rotating rods under the action of axial compressive forces taking into account their own weight

Serdar Yazyev; Yu. Konoplev; Svetlana Yazyeva; L. Akhtyamova

doi:10.29039/2308-0191-2020-8-3-12-22

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BUCKLING OF ROTATING RODS UNDER THE ACTION OF AXIAL COMPRESSIVE FORCES TAKING INTO ACCOUNT THEIR OWN WEIGHT Buckling of rotating rods under the action of axial compressive forces taking into account their own weight

АА Аа

Published in Construction and Architecture · Pages 12–22 · Rubric: 05.23.01 CONSTRUCTION DESIGNS, BUILDINGS AND CONSTRUCTIONS

DOI: https://doi.org/10.29039/2308-0191-2020-8-3-12-22

Received: 02.10.2020 Accepted: 06.11.2020 Published: 06.11.2020

Authors

Serdar Yazyev

Yu. Konoplev

Svetlana Yazyeva

L. Akhtyamova

Serdar Yazyev

Academic degree: candidate of technical sciences

Science rang: docent

Don State Technical University Associate Professor · Technical Mechanics

Yu. Konoplev

Academic degree: doctor of technical sciences

Science rang: professor

Kazan Federal University Consulting Professor · Institute of Mathematics and Mechanics N. I. Lobachevskogo

Svetlana Yazyeva

Academic degree: candidate of technical sciences

Don State Technical University Professor of the department · Department Construction of unique buildings and structures

L. Akhtyamova

Don State Technical University aspirant · Strength of materials

ABSTRACT

The article is devoted to the conclusion of resolving equations for solving the tasks of bulging rotating rods subject to the action of compressive co-centric forces taking into account uniformly distributed load along the axis. In this mode, for example, fast-moving shafts operate. The purpose of this article is to provide an engineer with a method for calculating drill pipes, tested diagrams and justification of conditions in rotary drilling. The new mathematical models describing stability of rods taking into account own weight and new software are proposed. Numerical simulation of load intensity distributions in the rod along the axis was carried out, at the same time different types of boundary conditions of rod fixation are used. Mathematical models and software for numerical simulation of stability of rotating rods under action of axial compressive forces have been improved. Note that the effect of torsion moment in the present case may not be considered as insignificant in comparison with the above loads. A new method of calculating stability of rotating rods, allowing to take into account any boundary conditions and taking into account own weight, has been developed and scientifically justified. There are proposed mathematical expressions convenient for practical use, which give very accurate results. Obtained results can be used in evaluation and diagnostics of state of samples of structural materials, in process of experimental investigations and in investigation of fast-flowing rotating processes in rod structures of variable stiffness, made of anisotropic composite materials in machine-building, shipbuilding, aircraft engineering, instrument-making, power engineering, etc.

KEYWORDS

Rotating rod, differential equations, greatest deflection, long modulus of elasticity, boundary conditions, frequency of transverse oscillations

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GOST

Yazyev S. B., Konoplev Y. G., Yazyeva S. B., Akhtyamova L. S. Buckling of rotating rods under the action of axial compressive forces taking into account their own weight // Construction and Architecture. 2020. no. 3. pp. 12-22. DOI: https://doi.org/10.29039/2308-0191-2020-8-3-12-22. (Date of access 06.09.2026).

MLA

Serdar Yazyev, Konoplev Y. G., Yazyeva S. B., Akhtyamova L. S.. "Buckling of rotating rods under the action of axial compressive forces taking into account their own weight." Construction and Architecture 8.3 (2020): 12-22. DOI: https://doi.org/10.29039/2308-0191-2020-8-3-12-22.

APA

Yazyev S. B., Konoplev Y. G., Yazyeva S. B., Akhtyamova L. S. (2020). Buckling of rotating rods under the action of axial compressive forces taking into account their own weight. Construction and Architecture, 8(3), 12-22. https://doi.org/10.29039/2308-0191-2020-8-3-12-22

Chicago

Serdar Yazyev, Konoplev Y. G., Yazyeva S. B., Akhtyamova L. S.. "Buckling of rotating rods under the action of axial compressive forces taking into account their own weight." Construction and Architecture 8, no. 3 (2020): 12-22. https://doi.org/10.29039/2308-0191-2020-8-3-12-22.

WIKI

{{cite journal | author = Yazyev S. B., Konoplev Y. G., Yazyeva S. B., Akhtyamova L. S. | title = Buckling of rotating rods under the action of axial compressive forces taking into account their own weight | journal = Construction and Architecture | year = 2020 | volume = 8 | issue = 3 | pages = 12-22 | doi = 10.29039/2308-0191-2020-8-3-12-22 }}

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BUCKLING OF ROTATING RODS UNDER THE ACTION OF AXIAL COMPRESSIVE FORCES TAKING INTO ACCOUNT THEIR OWN WEIGHT Buckling of rotating rods under the action of axial compressive forces taking into account their own weight

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