Abstract
In this paper, the boundary element method (BEM) is developed for the flutter analysis of thick anisotropic plates modeled by Mindlin’s theory. Such plates describe the response of laminated plates consisting of layers of anisotropic materials, which are extensively used in various modern engineering applications. The plate is subjected to aerodynamic pressure due to supersonic air flow, a follower-type load. The governing equations are three coupled linear partial differential equations of second order subjected to three boundary conditions besides the initial conditions. The boundary value problem is solved using the analog equation method. Thus, following the principle of the analog equation, the original equations are substituted by three uncoupled Poisson’s equations under fictitious loads, which are subsequently, solved using the conventional BEM for Poisson’s equation. Various thick and thin laminated plate problems are studied using the proposed method. The obtained numerical results demonstrate the efficiency of the solution procedure, validate its accuracy and give a revealing insight into the dynamic response of the thick laminated plates under follower loads.
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This paper is dedicated to the memory of Franz Ziegler
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Katsikadelis, J.T., Babouskos, N.G. Flutter instability of laminated thick anisotropic plates using BEM. Acta Mech 229, 613–628 (2018). https://doi.org/10.1007/s00707-017-1988-z
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DOI: https://doi.org/10.1007/s00707-017-1988-z