... to expand the design space of bistable elements for structural applications. A systematic means of using the boundary conditions to improve the stability margins and load introduction of bistable tape springs is demonstrated. The stability margins and the achievable angles have been quantified using...

...Supreeth S. Sultanpur; Satyanarayanan R. Chakravarthy Presently, passive methods of controlling combustion instability fall short when one considers stabilizing multiple acoustic modes. In this paper, we present a passive control approach based on the locations of the burners to stabilize multiple...

... of the plucking phenomenon has relied on numerical integration methods. In this work, a semi-analytical method is developed to investigate the stability and bifurcation behaviors of rotary magnetic plucking, which integrates a second-order perturbation technique and discrete Fourier transform. Analysis through...

... with the time simulation results. The stability is checked with Floquet theory and bifurcation diagrams from Poincare sections. The model is fully capable of generating the tooth geometries, mesh stiffnesses, and gear train dynamics without reliance on any package programs. Hence, the model provides flexibility...

..., and stability of the system. The results reveal that the vibration and instability of the spinning shaft are strongly dependent on the unbalanced load and material gradient. 1 Corresponding author. Email: wgd_vib@yeah.net Emails: ahau_evib@16.com ; ahau_evib@163.com Email: lqchen@ahau.edu.cn...

... is unlimited. 30 03 2022 14 10 2022 15 10 2022 05 01 2023 aeroelasticity flow-induced noise and vibration modal analysis nonlinear vibration stability structural dynamics and control vibration control Despite more than half a century of research concerning flutter...

..., the nonlinear rotor dynamics of vertical rotating machines with journal sliding bearings are investigated and evaluated by theoretical and numerical analyses and experiments of a simple vertical rotating shaft. As a result, some new destabilization and stabilization phenomena are found in the vertical shaft...

...Susheelkumar C. Subramanian; Sangram Redkar In this work, the asymptotic stability bounds are identified for a class of linear quasi-periodic dynamical systems with stochastic parametric excitations and nonlinear perturbations. The application of a Lyapunov–Perron (L-P) transformation converts...

...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...

...Enora Denimal; Jean-Jacques Sinou; Samuel Nacivet This study focuses on the prediction of the stability behavior of an industrial automotive brake system under structural and environmental uncertainties. Uncertainties are modeled with a random distribution or an interval and are propagated...

.... In this way, the theoretical stability margins of the system can be simulated. The additional actuator pole located at −10,000 on the real axes is not shown in the figures. Fig. 9 Time history of the poles of the time-varying controlled system, first and third mode (continuous), second and fourth mode...

... of ASME for publication in the J ournal of V ibration and A coustics . 13 07 2020 17 03 2021 18 03 2021 22 04 2021 cable-harnessed structures plate theory homogenization method vibrations natural frequencies dynamics modal analysis stability structural dynamics...

... the eigenvalue loci), and the system is stabilized. References [1] Ibrahim , R. , 1994 , “ Friction-Induced Vibration, Chatter, Squeal, and Chaos—Part I: Mechanics of Contact and Friction ,” ASME Appl. Mech. Rev. , 47 ( 7 ), pp. 209 – 226 . 10.1115/1.3111079 [2] Ibrahim , R. , 1994...

... for stability and bifurcation studies of quasi-periodic systems. One could use this technique for symbolic order reduction and controller design for linear and nonlinear quasi-periodic systems. One could also use this approach to study the effect of stochastic parametric excitation on the stability...

... is regarded as a breakthrough for future mobility. However, its practical implementation requires the solution of key shortcomings. Among these, the stability of the electrodynamic levitation system remains partially unexplored. The state of the art presents numerous attempts to attain stable behavior...

...Yudai Kunori; Tsuyoshi Inoue; Kenjiro Miyake In turbomachinery, the rotor dynamic (RD) fluid force generated in a fluid element, by the interaction between the shaft behavior and the fluid flow, is one of the causes of the shaft behavior and has a great influence on the stability...

.... cable-harnessed structures plate theory vibrations frequency response function modal testing dynamics modal analysis stability structural dynamics and control vibration control Aerospace structures consist of large flat and curved panels that form the skeleton needed to support...

...Fatemeh Afzali; Gizem D. Acar; Brian F. Feeny The Floquet theory has been classically used to study the stability characteristics of linear dynamic systems with periodic coefficients and is commonly applied to Mathieu’s equation, which has parametric stiffness. The focus of this article is to study...

..., and stability of such a bi-gyroscopic system have been studied by the standard eigenvalue problems. The bifurcation series of frequencies and corresponding modal motions have been presented to show the gyroscopically coupled motions. The complex modes of the proposed bi-gyroscopic systems, such as whirling...

..., it is necessary to assess the motion state of the system by theoretical models. time-varying mesh stiffness backlash non-uniform wear bifurcation dynamics nonlinear vibration rotor dynamics stability 21 04 2020 14 08 2020 14 08 2020 06 10 2020 Contributed...