Preliminary design of a test rig for combining passive nonlinear isolation with active control
, 2012 Resilient elements are typically used to isolate delicate equipment from a vibrating host structure. Conventionally, these isolators are designed to operate in their linear region, but more recently nonlinear isolators have been employed to increase the ...
Ab Rahim, M., Rustighi, E., Waters, T.P.
core
Boundedness of Solutions for Semilinear Duffing Equations
Journal of Differential Equations, 1998 The paper concerns the semilinear Duffing equation \(x''(t)+\lambda^2x(t)+\phi(x(t))=e(t)\). Here, \(\phi(x)=o(x)\) as \(| x|\to+\infty\) and \(e\) is \(2\pi\)-periodic. For this equation, the main result states that all solutions are bounded and some solutions are quasi-periodic.
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Applied SciencesThe study concerns the Duffing oscillator (Duffing equation) with softening stiffness. Using numerical simulations, the upper and lower limits of the unstable region for damping equal to 0 were identified, and analytic formulas describing them were ...
Wojciech Wawrzynski
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Research on the Threshold Determination Method of the Duffing Chaotic System Based on Improved Permutation Entropy and Poincaré Mapping. [PDF]
Entropy (Basel), 2023 Zhou J, Li Y, Wang M.
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Chaotic Effect-Based Array Duffing Systems with Improved Nonlinear Restoring Force for Weak Signal Detection in Dynamic MWD. [PDF]
Sensors (Basel), 2023 Yang Y, Ding Q, Gao Y, Chen J.
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Boundary Value Problems, 2008 This paper deals with a boundary value problem for Duffing equation. The existence of unique solution for the problem is studied by using the minimax theorem due to Huang Wenhua.
Ting Zhou, Wenhua Huang
doaj
A High-Impedance Grounding Fault Identification Method for Mining Cables in Non-Effectively Grounded Systems of Coal Mine Power Grids Based on Steady-State Impedance Analysis-Holmes-Duffing. [PDF]
Sensors (Basel)Feng C, Ni L, Lan Y, Zheng H, Zeng X.
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High-velocity laser Doppler vibrometry measurements on an aluminum nitride bimorph wedge resonator. [PDF]
Commun EngLiu Z +7 more
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Modeling of Magnetoelectric Microresonator Using Numerical Method and Simulated Annealing Algorithm. [PDF]
Micromachines (Basel), 2023 Sadeghi M +3 more
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Vibration Transmission Characteristics of Bistable Nonlinear Acoustic Metamaterials Based on Effective Negative Mass. [PDF]
Nanomaterials (Basel)Gao M, Shang G, Guo J, Xu L, Fan G.
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