A mathematical model describing nonlinear vibrations of size-dependent rectangular plates is proposed. The plates are treated as the Cosserat continuum with bounded rotations of their particles (pseudo-continuum). The governing partial differential equations (PDEs) and boundary/initial conditions are obtained using the von Kármán geometric relations, and they are yielded by the energetic Hamilton principle. The derived mixed-form PDEs are reduced to ordinary differential equations and algebraic equations (AEs) using (i) the Galerkin–Krylov–Bogoliubov method (GKBM) in higher approximations, and then they are solved with the help of a combination of the Runge–Kutta methods of the second and fourth order, (ii) the finite difference method (FDM), and (iii) the Newmark method. The convergence of FDM vs the interval of the space coordinate grids and of GKBM vs the number of employed terms of the approximating function is investigated. The latter approach allows for achieving reliable results by taking account of almost infinite-degree-of-freedom approximation to the regular and chaotic dynamics of the studied plates. The problem of stability loss of the size-dependent plates under harmonic load is also tackled.
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April 2021
Research Article|
April 15 2021
Chaotic vibrations of size-dependent flexible rectangular plates
Special Collection:
Recent Advances in Modeling Complex Systems: Theory and Applications
V. A. Krysko, Jr.
;
V. A. Krysko, Jr.
a)
1
Department of Automation, Biomechanics and Mechatronics, Lodz University of Technology
, 1/15 Stefanowskiego St., 90-924 Lodz, Poland
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J. Awrejcewicz
;
J. Awrejcewicz
b)
1
Department of Automation, Biomechanics and Mechatronics, Lodz University of Technology
, 1/15 Stefanowskiego St., 90-924 Lodz, Poland
b)Author to whom correspondence should be addressed: jan.awrejcewicz@p.lodz.pl
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I. V. Papkova
;
I. V. Papkova
c)
2
Department of Mathematics and Modeling, Saratov State Technical University
, 77 Politehnicheskaya Str., 410054 Saratov, Russian Federation
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V. A. Krysko
V. A. Krysko
d)
2
Department of Mathematics and Modeling, Saratov State Technical University
, 77 Politehnicheskaya Str., 410054 Saratov, Russian Federation
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b)Author to whom correspondence should be addressed: jan.awrejcewicz@p.lodz.pl
Note: This paper belongs to the Focus Issue, Recent Advances in Modeling Complex Systems: Theory and Applications.
Chaos 31, 043119 (2021)
Article history
Received:
January 18 2021
Accepted:
March 29 2021
Citation
V. A. Krysko, J. Awrejcewicz, I. V. Papkova, V. A. Krysko; Chaotic vibrations of size-dependent flexible rectangular plates. Chaos 1 April 2021; 31 (4): 043119. https://doi.org/10.1063/5.0044630
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