34 Result(s)
within
Qian Ding
Engineering
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Article
Nonlinear normal modes and dynamic balancing for a nonlinear rotor system
The basis of rotor dynamic balancing procedures depends on the linearization hypothesis of the system. However, some dynamical characteristics of mechanical elements of rotor systems are nonlinear. To increase...
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Article
Model Order Reduction and Nonlinear Dynamic Analysis of the Folding Fin with Freeplay Nonlinearity
To reduce the model size and improve the efficiency of the dynamic analysis of folding fins, a novel condensation modeling method is proposed in this paper.
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Article
Investigation on energy harvesting using bandgaps of periodic acoustic black hole structure
This paper introduces a structural design which has superior energy harvesting ability. The proposed structure is based on the ability of most periodic structures to prohibit elastic waves from propagating in ...
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Article
An Analytical Investigation on the Vibration Suppression Performance of the Single-sided Vibro-impact Nonlinear Energy Sink
Nonlinear Energy Sink (NES) refers to a light-weight device that can suppress vibrations in a broad band manner, but usually suffers a robustness issue that its efficiency is very sensitive to vibration amplit...
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Article
Multi-objective Topology Optimization of Sandwich Lattice Structures for Vibration Suppression: Numerical and Experimental Investigations
Lattice structures have great potential in lightweight design, high structural strength, and vibration control. In this study, we investigate the multi-objective topology optimization of lattice structures, co...
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Article
An electromagnetic vibro-impact nonlinear energy sink for simultaneous vibration suppression and energy harvesting in vortex-induced vibrations
An electromagnetic vibro-impact nonlinear energy sink (EM-VINES) is proposed in the application of vortex-induced vibration, for both purpose of vibration suppression and energy harvesting. The considered syst...
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Article
A study on vibration localization and energy harvesting of periodic acoustic black hole structure
The acoustic black hole effect (ABH) has the phenomenon of non-reflection elastic wave aggregation, which makes the vibration energy of the ABH structure concentrate at the end of the structure and can be used...
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Article
Vibration Analysis of Axle Box Bearing Considering the Coupling Effects of Local Defects and Track Irregularities
Axle box bearings are the crucial components of high-speed trains (HSTs). Based on Gupta’s model, a dynamic model of cylindrical roller bearing is presented to describe the dynamic behaviour of the axle box be...
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Article
Enhanced nonlinear performance of nonlinear energy sink under large harmonic excitation using acoustic black hole effect
Although the frequency dependence of linear tuned-mass-damper (TMD) is overcome by the nonlinear energy sink (NES), it is sensitive to the input energy. When the structure with NES is subjected to harmonic exc...
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Article
Numerical investigation of low band gap and vibration suppression for novel four-ligament chiral composite metamaterial structures
In this study, a novel antichiral composite acoustic metamaterial structure is proposed to attenuate low-frequency elastic waves. Based on Bloch theorem and COMSOL finite element software, the wave behavior of...
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Article
Nonlinear dynamics of three-directional functional graded pipes conveying fluid with the integration of piezoelectric attachment and nonlinear energy sink
In this paper, a novel integration of the vibration attenuation and self-powered sensing of three-dimensional functionally graded (3D FG) pipes conveying fluid under the end supports of complex constraints is ...
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Chapter and Conference Paper
Permeability Prediction from Seismic Data Using the Data-Model-Driven Approach
Rock petrophysics experiments and digital core technology have found that permeability is influenced by pore structure such as pore size and morphology, but the two factors usually may not be taken into accoun...
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Article
Nonlinear Fractional-Order Dynamic Stability of Fluid-Conveying Pipes Constituted by the Viscoelastic Materials with Time-Dependent Velocity
Considering that the fluid-conveying pipes made of fractional-order viscoelastic material such as polymeric materials with pulsatile flow are widely applied in engineering, we focus on the stability and bifurc...
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Article
Nonlinear transverse vibrations of a slightly curved beam with hinged–hinged boundaries subject to axial loads
The investigation of curved structures has attracted more and more attention, and the mainstream research focuses on the characteristics of curved beams subject to transverse loads, while sometimes axial loads...
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Article
Structural Design and Band Gap Properties of 3D Star-Shaped Single-Phase Metamaterials
Vibration and noise usually propagate in the form of elastic waves in periodic structure. Using the band gap characteristics of metamaterials to control vibration and noise has important application prospects....
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Article
Design and Wave Propagation Characterization of Starchiral Metamaterials
Metamaterials with simple artificial topological properties made from industrially produced single-phase materials have extraordinary innovation and challenge. In this paper, we investigated wave propagation c...
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Article
Band Gap Mechanism and Design of a New Type of Six-Ligament Chiral Structure
Achieving low-frequency and wide band gaps with a simple and small structure can be a challenging task. In this paper, a new type of six-ligament chiral structure with simple geometric parameters and smaller g...
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Article
An improved approach for frequency-domain nonlinear identification through feedback of the outputs by using separation strategy
This paper focuses on the problem of nonlinear system identification by proposing an improved approach for existing frequency-domain nonlinear identification through feedback of the outputs (NIFO) method via s...
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Article
Condensation modeling of the linear structure with nonlinear boundary conditions
The problem of modeling for the linear structure with nonlinear boundary conditions in a more efficient manner is considered by proposing a novel condensation modeling method. The key idea of the proposed meth...
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Article
Hybrid Modeling of Nonlinear-Jointed Structures via Finite-Element Model Reduction and Deep Learning Techniques
In engineering practice many structures are assembled by several linear components through nonlinear joints. A novel hybrid modeling method based on finite element model reduction and deep learning techniques ...
