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A symplectic finite element method based on Galerkin discretization for solving linear systems
We propose a novel symplectic finite element method to solve the structural dynamic responses of linear elastic systems. For the dynamic responses of...
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Integrated device for multiscale series vibration reduction and energy harvesting
A multi-degree-of-freedom device is proposed, which can achieve efficient vibration reduction as the main objective and energy harvesting as the...
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Bandgap characteristics of the two-dimensional missing rib lattice structure
In this paper, the bandgap characteristics of a missing rib lattice structure composed of beam elements are investigated by using the Floquet-Bloch...
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Comparison of nonlinear modeling methods for the composite rubber clamp
The cubic stiffness force model (CSFM) and Bouc-Wen model (BWM) are introduced and compared innovatively. The unknown coefficients of the nonlinear...
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Multiple internal resonances of rotating composite cylindrical shells under varying temperature fields
Composite cylindrical shells, as key components, are widely employed in large rotating machines. However, due to the frequency bifurcations and dense...
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Snap-through behaviors and nonlinear vibrations of a bistable composite laminated cantilever shell: an experimental and numerical study
The snap-through behaviors and nonlinear vibrations are investigated for a bistable composite laminated cantilever shell subjected to transversal...
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Vertical vibration control using nonlinear energy sink with inertial amplifier
To reduce additional mass, this work proposes a nonlinear energy sink (NES) with an inertial amplifier (NES-IA) to control the vertical vibration of...
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Experimental and simulation studies on similitude design method for shock responses of beam-plate coupled structure
The similitude theory helps to understand the physical behaviors of large structures through scaled models. Several papers have studied the...
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Nonlinear vibration analysis of pipeline considering the effects of soft nonlinear clamp
Soft nonlinear support is a major engineering project, but there are few relevant studies. In this paper, a dynamic pipeline model with soft...
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Dynamic stiffness characteristics of aero-engine elastic support structure and its effects on rotor systems: mechanism and numerical and experimental studies
The support structure of a rotor system is subject to vibration excitation, which results in the stiffness of the support structure varying with the...
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Geometrically nonlinear inerter for vibration suppression
A two-degree-of-freedom (2DOF) vibration isolation structure with an integrated geometric nonlinear inerter (NI) device is proposed. The device is...
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Snap-through path in a bistable dielectric elastomer actuator
The dielectric elastomer (DE) has attracted significant attention due to its desired features, including large deformation, fast response, and high...
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Dynamic characteristics of multi-span spinning beams with elastic constraints under an axial compressive force
A theoretical model for the multi-span spinning beams with elastic constraints under an axial compressive force is proposed. The displacement and...
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Nonreciprocity of energy transfer in a nonlinear asymmetric oscillator system with various vibration states
The nonreciprocity of energy transfer is constructed in a nonlinear asymmetric oscillator system that comprises two nonlinear oscillators with...
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An investigation on multilayer shape memory polymers under finite bending through nonlinear thermo-visco-hyperelasticity
This study presents a semi-analytical solution to describe the behavior of shape memory polymers (SMPs) based on the nonlinear...
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A novel design scheme for acoustic cloaking of complex shape based on region partitioning and multi-origin coordinate transformation
Acoustic cloaking is an important application of acoustic metamaterials. This article proposes a novel design scheme for acoustic cloaking based on...
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Nonlinear vibrations of a composite circular plate with a rigid body
The influence of weights is usually ignored in the study of nonlinear vibrations of plates. In this paper, the effect of structure weights on the...
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Research on modeling and self-excited vibration mechanism in magnetic levitation-collision interface coupling system
The modeling and self-excited vibration mechanism in the magnetic levitation-collision interface coupling system are investigated. The effects of the...
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Fractional nonlinear energy sinks
The cubic or third-power (TP) nonlinear energy sink (NES) has been proven to be an effective method for vibration suppression, owing to the...
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Near resonance vibration isolation on a levered-dual response (LEDAR) Coulomb-damped system by differential preloads/offsets in linear springs
The levered-dual response (LEDAR) Coulomb-damped system attains near resonant vibration isolation by differential preloads/offsets in linear springs....