... rotation angle in the Ritz method-based structural and aeroelastic analysis. The Jacobi polynomials satisfy the orthogonality condition using weight functions, which are easily modified to satisfy different essential and natural boundary conditions. Compared to simple polynomials, Jacobi polynomials can...

... ibration and A coustics . 17 09 2023 15 08 2024 19 08 2024 11 09 2024 Graphical Abstract Figure aeroacoustics square cylinder flow-induced vibration aeroelasticity flow induced noise and vibration Natural Sciences and Engineering Research Council...

... sensor positioning vibration stress mode shape aeroelasticity machine dynamics modal analysis rotor dynamics structural dynamics and control 27 12 2022 29 05 2023 01 06 2023 22 09 2023 Contributed by the Technical Committee on Vibration and Sound of ASME...

... the ability to passively modulate nonlinear inertial forces may alter the overall aeroelastic response. The structural model is a one-dimensional nonlinear inextensible plate subject to nonlinear aerodynamic forces in accordance with a new, geometrically modified third-order Piston Theory. For the linear...

...Arion Pons This technical note is concerned with aeroelastic flutter problems: the analysis of aeroelastic systems undergoing airspeed-dependent dynamic instability. Existing continuation methods for parametric stability analysis are based on marching along an airspeed parameter until the flutter...

...@tohoku.ac.jp Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the J ournal of V ibration and A coustics . 31 08 2020 13 02 2021 15 02 2021 11 03 2021 aeroelasticity dynamics modal analysis Lowering the induced drag...

... linear vibration tensioned web closed form hydrodynamic functions lowest frequencies aeroelasticity dynamics flow-induced noise and vibration modal analysis Flexible hybrid electronics and stretchable electronics are rapidly growing technology sector with a global market expected...

...] Shyy , W. , Aono , H. , Chimakurthi , S. K. , Trizila , P. , Kang , C.-K. , Cesnik , C. E. , and Liu , H. , 2010 , “ Recent Progress in Flapping Wing Aerodynamics and Aeroelasticity ,” Prog. Aerosp. Sci. , 46 ( 7 ), pp. 284 – 327 . 10.1016/j.paerosci.2010.01.001 [8...

... and Application to Aeroelasticity,” Comput. Methods Appl. Mech. Eng., 157 (1–2), pp. 95–114; 2006, “Provably Second-Order Time-Accurate Loosely-Coupled Solution Algorithms for Transient Nonlinear Computational Aeroelasticity,” Comput. Methods Appl. Mech. Eng., 195 (17), pp. 1973–2001) to structural acoustics...

... aeroelasticity dynamics flow-induced vibration flapping wing mechanics fluid–structure interaction Given the motivation, there are two objectives of this paper: (1) evaluate the accuracy of a reduced-order flapping wing FSI model based upon BET and (2) identify the relative contribution of inertial...

...; published online September 10, 2018. Assoc. Editor: Stefano Gonella. 28 02 2018 25 07 2018 Aeroelasticity Dynamics Machine dynamics Aircraft performance can be improved using morphing wing technologies [ 1 ]. One of the more innovative types of morphing wings is a folding wing...

...Zhi-Guang Song; Tian-Zhi Yang; Feng-Ming Li; Erasmo Carrera; Peter Hagedorn In traditional active flutter control, piezoelectric materials are used to increase the stiffness of the aeroelastic structure by providing an active stiffness, and usually the active stiffness matrix is symmetric...

... received October 11, 2017; final manuscript received February 28, 2018; published online April 26, 2018. Assoc. Editor: Matthew Brake. 11 10 2017 28 02 2018 Aeroelasticity Dynamics Random vibration Structural dynamics Control In recent decades, an increasing number...

...Mennatullah M. Abdel Hafeez; Ayman A. El-Badawy This work presents a new aeroelastic model that governs the extensional, chordwise, flapwise, and torsional vibrations of an isolated horizontal axis wind turbine blade. The model accounts for the sectional offsets between the shear, aerodynamic...

... . Manuscript received March 15, 2017; final manuscript received May 17, 2017; published online August 2, 2017. Assoc. Editor: Ronald N. Miles. 15 03 2017 17 05 2017 Aeroelasticity Dynamics Modal analysis Structural acoustics There is an increasing need for high-pressure CO 2...

... on rotating blade natural frequency or effects of gravity on blade vibration. Our model can also be employed to study the interaction between blade vibration and aerodynamic loads, i.e., how the two-way fluid–structure interaction affects the wind turbine aeroelastic response. These analyses can help us gain...

...Guanhua Mei; Jiazhong Zhang; Can Kang In order to accurately study the effect of curvature on panel aeroelastic behaviors, a fluid–structure coupling algorithm is adopted to analyze the curved panel flutter in transonic and supersonic airflows. First, the governing equation for the motion...

...-intensity acoustic noise. The culmination of these unique flow physics can potentially excite structural modes of the doors, aircraft surfaces, or externally carried munitions and fuel tanks and can ultimately lead to aeroelastic instabilities, such as buffet, flutter, limit-cycle oscillations, or fatigue...

... frequencies of a beam with 2DOF spring–mass systems. Inspired by this work, Cha [ 14 ] presented the exact natural frequencies of a beam with arbitrary boundary conditions carrying 2DOF spring–mass systems using the assumed-modes method. Aeroelasticity Dynamics Machine dynamics Structural dynamics...

...Robert Hudson; Alok Sinha Friction dampers are utilized in turbomachinery to reduce blade vibrations resulting from aeroelastic interactions. In this paper, the microslip friction model is applied to a blade with blade to ground damper and subjected to negative damping. Analysis using...