Abstract
The effect of delamination on flutter characteristics of delaminated plate and control of flutter velocity is presented in this paper. The structural model of the smart delaminated plate is constructed using a 3D degenerated element, where the shear deformation and rotary inertia are considered based on the Reissner–Mindlin assumptions. Using the modal output of the structural model through a direct matrix abstraction program (DMAP), aerodynamic forces are generated from MSC.Nastran. Further flutter analysis is carried out using the pk-method in the MATLAB environment. This MSC.Nastran coupled FE model is thoroughly validated with various examples of dynamic and aeroelastic analysis. The effect of delamination location and interface on flutter characteristics of laminated plate with various boundary conditions are investigated first, and an attempt is made to enhance flutter velocity of the delaminated plate through active control technique.
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