 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 12854 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8044
|
| In English (Mech. Solids): | | 4810 |
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| L.M. Gavva and V.V. Firsanov, "Mathematical Models and Methods for Calculating the Stress-Strain State of Aircraft Panels from Composite Materials Taking into Account the Production Technology," Mech. Solids. 55 (3), 403-412 (2020) |
| Year |
2020 |
Volume |
55 |
Number |
3 |
Pages |
403-412 |
| DOI |
10.3103/S002565442003005X |
| Title |
Mathematical Models and Methods for Calculating the Stress-Strain State of Aircraft Panels from Composite Materials Taking into Account the Production Technology |
| Author(s) |
L.M. Gavva (Moscow Aviation Institute (National Research University), Moscow, 125080 Russia, nio1asp@mail.ru)
V.V. Firsanov (Moscow Aviation Institute (National Research University), Moscow, 125080 Russia) |
| Abstract |
The relations of the mathematical model for studying the stress-strain state of structurally anisotropic panels made of composite materials are given. The mathematical model of the reinforcing element is clarified under conditions of one-sided contact with the skin. The influence of panels manufacturing technology is taken into account: residual temperature stresses and prestressing of reinforcing fibers. Based on the Lagrange variational principle, an eighth-order resolving equation and natural boundary conditions are obtained. A class of exact solutions of boundary value problems is considered. In the MATLAB operating environment, a software package has been developed. The results of the numerical implementation of the solution and the results of field experiments are presented. |
| Keywords |
panels made of composite materials, eccentric longitudinal-transverse set, thin-walled rod, asymmetric structure of the package, force and technological temperature loading |
| Received |
04 February 2020 | Revised |
20 February 2020 | Accepted |
29 February 2020 |
| Link to Fulltext |
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