Active aeroelastic flutter control of supersonic smart variable stiffness composite panels using layerwise models

被引：6
作者：
Moreira, J. A. [1 ]
Moleiro, F. [1 ]
Araujo, A. L. [1 ]
Pagani, A. [2 ]
机构：
[1] Univ Lisbon, IDMEC, Inst Super Tecn, Ave Rovisco Pais 1, P-1049001 Lisbon, Portugal
[2] Politecn Torino, Dept Mech & Aerosp Engn, MUL2, Corso Duca Abruzzi 24, I-10129 Turin, Italy
来源：
COMPOSITE STRUCTURES | 2024年 / 343卷
基金：
欧洲研究理事会;
关键词：
Aeroelastic control; Panel flutter; Piezoelectric composite panels; Variable stiffness composites; Layerwise theory; PINCHED PANELS; PLATES; OPTIMIZATION; VIBRATION; FLOW;
D O I：
10.1016/j.compstruct.2024.118287
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This work focuses on the layerwise finite element modelling and active aeroelastic flutter control of smart variable stiffness laminated composite panels with surface bonded piezoelectric layers/patches under supersonic airflow. The proposed aero-electro-elastic models make use of the First- and Third-order Shear Deformation Theories, along with a linear through-thickness distribution of the electric potential, whereas the effect of the supersonic airflow is described by the First-order Piston Theory. Numerical applications of simply supported smart composite panels with either curvilinear or unidirectional fibres are provided for the accuracy assessment of the proposed models predictive capabilities, considering various side-to-thickness ratios and control conditions. The effect of proportional control on the aeroelastic flutter response is discussed for both airflow along the x-axis and yawed airflow, in addition to three different placement configurations of the piezoelectric patches.
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页数：17
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