... composed of a light-responsive liquid crystal elastomer fiber, a baffle, and a spring, capable of achieving self-oscillation under stable lighting conditions. Considering the established dynamic model of light-responsive liquid crystal elastomers (LCEs), a nonlinear dynamic model is introduced and used...

... 13 09 2024 07 10 2024 supratransmission tristability strong nonlinear waves dynamics vibration wave propagation National Natural Science Foundation of China 10.13039/501100001809 12272337 Periodic structure can usually prohibit wave propagation by scattering...

...) formulation based on the Isogeometric discretization of Koiter's nonlinear shell theory and use of the method of dynamic relaxation (DR) to solve equilibrium configurations of problems involving fine-scale and hierarchical wrinkling and buckling. No imperfection seeding is required to trigger instabilities...

... matrix is developed that guarantees the uncoupling of such systems when they satisfy just two conditions. The results provided herein lead to new physical insights into the dynamical behavior of potential systems with general damping matrices and robust computational procedures. It is shown...

.... , Zhang , L. , Lan , R. , Yang , H. , and Yang , D. , 2021 , “ Light-Driven Self-oscillating Behavior of Liquid-Crystalline Networks Triggered by Dynamic Isomerization of Molecular Motors ,” Adv. Funct. Mater. , 31 ( 33 ), p. 2103311 . 10.1002/adfm.202103311 [26] Li , S...

...Zhuoqun Wen; Jinbo Yuan; Yu Huang; Xiaoming Zhou Underwater acoustic non-reciprocal transmission via dynamic-modulation structures with time-varying mass and stiffness is studied. The model system consists of spatiotemporally modulated discrete lattices immersed in the water background. Based...

...Jun-Feng Zhou; Kai-Ming Hu; Hui-Yue Lin; Zhi-Qi Dong; Tian-Yu Zhao; Xiu-Xuan Li; Guang Meng; Wen-Ming Zhang The dynamic instability of stiff films on compliant substrates has received sustained attention due to the potential applications in flexible functional devices. Film/substrate system-based...

...Weicheng Huang; Peifei Xu; Zhaowei Liu Mechanical interactions between rigid rings and flexible cables find broad application in both daily life (hanging clothes) and engineering system (closing a tether-net). A reduced-order method for the dynamic analysis of sliding rings on a deformable one...

... ournal of A pplied M echanics . 31 01 2024 17 04 2024 01 05 2024 21 05 2024 Graphical Abstract Figure computational mechanics dynamics geometric integration variational integrators National Natural Science Foundation of China 10.13039/501100001809...

... center of gravity and moment of inertia, necessitating real-time computation of each state's variations. To address this challenge, we propose a dynamic modeling approach based on the Udwadia−Kalaba (U-K) method. The morphing QUAV is divided into three separate subsystems, with the dynamic modeling...

... are illustrated in vibration control problems. dynamics second-order systems vibration Office of Naval Research 10.13039/100000006 N00014-20-1-2080 Continuous-time algebraic Riccati equations (CAREs) often appear in control and optimization problems such as linear quadratic regulator...

...Zhi-Qi Dong; Kai-Ming Hu; Hui-Yue Lin; Xin-Lu Deng; Yi-Hang Xin; Guang Meng; Wen-Ming Zhang Dynamic behaviors of delaminated nanofilms on substrates are universal and essential phenomena in nanoelectromechanical systems (NEMS). Van der Waals (vdWs) interactions play an important role in the dynamic...

...Ranislav M. Bulatovic; Firdaus E. Udwadia This paper explores the decomposition of linear, multi-degree-of-freedom, conservative gyroscopic dynamical systems into uncoupled subsystems through the use of real congruences. Two conditions, both of which are necessary and sufficient, are provided...

...Rashi Aditi Ranjan; Somnath Sarangi The dynamics of the electroactive membranes are being studied extensively due to their vast application at the current time. However, the effect of the mechanical behavior of the compliant electrode needs to be addressed. This article presents the nonlinear...

... author. Email: mukherji@egr.msu.edu Contributed by the Applied Mechanics Division of ASME for publication in the J ournal of A pplied M echanics . 12 07 2023 14 08 2023 18 08 2023 11 09 2023 computational mechanics dynamics impact Directorate...

...Junyin Li; Zhanchao Huang; Yong Wang; Zhilong Huang; Weiqiu Zhu Stochastic averaging, as an effective technique for dimension reduction, is of great significance in stochastic dynamics and control. However, its practical applications in industrial and engineering fields are severely hindered by its...

... at low Reynolds numbers. We develop an analytical model to describe the elasto-hydrodynamic problem and identify key design parameters. Muscle contraction dynamics is characterized experimentally and the implications of nonlinear amplitude-frequency relationship of muscle-based actuation are discussed...

... the days of Lagrange, and it is used in various areas of science and engineering like analytical dynamics, quantum mechanics, statistical physics, and nonequilibrium thermodynamics. The new principle permits the constraints on any mechanical system to be inconsistent and shows that Nature handles...

...Rong-Biao Hao; Ze-Qi Lu; Hu Ding; Li-Qun Chen A novel approach to enhance the shock vibration environment of multi-directions using a high-static-low-dynamic stiffness supported orthogonal six-degrees-of-freedom (DOFs) nonlinear vibration isolation (OSNVI) system is presented in this paper...

...Weidi Wang; Alireza V. Amirkhizi Dynamic mechanical metamaterials (MMs) are artificial media composed of periodic micro-structures, designed to manipulate wave propagation. Modeling and designing MMs can be computationally demanding due to the broad design space spanned by the geometric...