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Anhysteretic high-static–low-dynamic stiffness vibration isolators with tunable inertial nonlinearity
This study proposes an anhysteretic high-static–low-dynamic stiffness (HSLDS) vibration isolator with tunable nonlinear inerters. The aim is to...
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Influences of inherent geometrical nonlinearity of high-static-low-dynamic-stiffness resonator on flexural wave attenuation performance of metamaterial beam
Metamaterials with high-static-low-dynamic stiffness (HSLDS) resonators possess the ability in low/ultra-low frequency flexural wave attenuation....
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Strong nonlinearity and external high-frequency forcing for controlling effective mechanical stiffness: theory and experiment
High-frequency excitation (HFE) can be used to change the effective stiffness of an elastic structure, and related quantities such as resonance...
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Geometric Nonlinearity in Structural Behavior Evaluating Analytical Processes
This book provides a fundamental understanding of the analytic process involved in solving complex problems, such as the influence of geometric...
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Topology optimization for prestressed cable-truss structure considering geometric nonlinearity
This work presents a topology optimization method for prestressed cable-truss structures considering geometric nonlinearity. Based on the large...
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High-static-low-dynamic stiffness isolator based on an electromagnetic negative stiffness spring with long linear stroke
Negative stiffness mechanisms can improve low-frequency vibration isolation performance and have been widely used in the vibration isolation of...
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Influence of oil film nonlinearity on identification accuracy of dynamic characteristic coefficient of heavy-duty sliding bearing
Because the oil film of sliding bearing shows significant nonlinearity under heavy load condition, its influence cannot be ignored in the process of...
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A quasi-zero stiffness energy harvesting isolator with triple negative stiffness
Vibration isolation for low frequency excitation and the power supply for low power monitoring sensors are important issues in bridge engineering....
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Quasi-Zero Stiffness Magnetic Vibration Absorber
A magnetic-enhanced nonlinear energy sink with quasi-zero stiffness (QZS-ME-NES) is proposed, which mainly focuses on the influence of linear...
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Nonlinear lightweight metastructure with effective negative stiffness
In this paper, a new type of lightweight metastructure for vibration isolation in small devices is investigated. The metastructure contains...
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Experimental bifurcation analysis of a clamped beam with designed mechanical nonlinearity
We use control-based continuation (CBC) to perform an experimental bifurcation study of a periodically forced dual-beam. The nonlinearity is of...
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Nonlinearity reduction in MEMS resonators based on design of H-shaped beams
Structural nonlinearity for conventional double-end fixed beam MEMS resonators considerably restricts their performance because of large displacement...
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Design of a new quasi-zero-stiffness isolator system with nonlinear positive stiffness configuration and its novel features
A quasi-zero-stiffness (QZS) isolator with the new design of positive stiffness configuration is proposed in this paper. The positive stiffness...
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MEMS reservoir computing system with stiffness modulation for multi-scene data processing at the edge
Reservoir computing (RC) is a bio-inspired neural network structure which can be implemented in hardware with ease. It has been applied across...
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The vibration isolation proprieties of an X-shaped structure with enhanced high-static and low-dynamic stiffness via torsional magnetic negative stiffness mechanism
Bionic X-shaped structure is widely studied for low-frequency vibration isolation. In this paper, an X-shaped structure with torsional magnet...
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Nonlinear mirrored-stiffness design method for quasi-zero stiffness vibration isolators
The phenomenon of stiffness hardening has detrimental influence on the natural frequency and the width of vibration isolation frequency bands, which...
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A novel quasi-zero-stiffness isolation platform via tunable positive and negative stiffness compensation mechanism
Various quasi-zero stiffness (QZS) systems with high-static and low-dynamic stiffness (HSLDS) have been applied extensively to attenuate...
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Nonlinear Dynamics of an All-Movable Rudder System with Freeplay Nonlinearity
The freeplay nonlinearity will reduce the supporting stiffness of the rudder system, affect the accuracy of the position control and reduce its...
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Characterization of Nonlinear Joint Stiffness Using Dynamic and Static Experimental Methods
An experimental study was conducted to characterize the nonlinear rotational stiffness of a missile fin control actuation system testbed. Dynamic...
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Nonlinear dynamics and performance evaluation of an asymmetric bistable energy harvester with unilateral piecewise nonlinearity
Due to the snap-through characteristics and broadband response, bistable energy harvesters (BEHs) have attracted significant attention. Previous...
