Yingli Li

Yingli Li
Central South University | CSU · School of Traffic and Transportation Engineering

Ph. D.

About

38
Publications
3,285
Reads
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719
Citations
Introduction
Skills and Expertise
Additional affiliations
March 2016 - present
Central South University
Position
  • Professor (Associate)
August 2011 - April 2013
University of Toronto
Position
  • PhD Student
Education
September 2003 - April 2013
Hunan University
Field of study
  • Mechanics

Publications

Publications (38)
Article
Elastic wave propagation characteristics of elastic metamaterial plates embedded scatterer with various lattices are explored numerically and experimentally in this study, for the attenuation of in-plane longitudinal and out-of-plane flexural waves in the subwavelength frequency region. Firstly, the mathematical models of the elastic metamaterial p...
Article
Auxetic metamaterials have attracted widespread attention because of their untraditional physical properties and practical application values. In this paper, we focus on an elastic auxetic metamaterial composed of hinged rotating rigid squares. Theoretical analysis based on a mass-spring system is adopted to investigate the wave propagation behavio...
Article
Inspired by the inertial amplification mechanism and bandgap characteristic of periodic structures, a type of scissor-like elastic metamaterial is studied for low-frequency vibration attenuation in this paper. Firstly, the 1DOF (degree of freedom) scissor-like chain consisting of masses, trusses, and springs is investigated. The formation of inerti...
Article
A periodic mass-spring-truss chain based on a scissor-like structure and inertial amplification is proposed to seek for low-frequency vibration attenuation. The resonant and anti-resonant frequencies of a basic element are obtained analytically to explain the resonance and anti-resonance of the periodic chain. The formation of bandgaps is explored,...
Article
In this work, an innovative two-dimensional (2D) hybrid auxetic elastic metamaterial (MODEL I) with reentrant triangular and chiral structures is proposed to open the broaden bandgap for vibration attenuation. Furthermore, the hybrid reentrant-chiral lattice with embedded resonators (MODEL II) shows multiple bandgaps at ultra-low frequency. Based o...
Article
Elastic metamaterials with multi-degree-of-freedom (MDOF) hybrid resonators are proposed in order to achieve the lower and wider bandgaps without increase of mass for vibration attenuation in this paper. The explicit expressions for the central frequencies of the bandgaps of the multi-resonators elastic metamaterials (EMs) are analyzed for the firs...
Article
The star-shaped lattice structure is recognized as a typical auxetic metamaterial. Unlike the most research focused on the negative Poisson's ratio, in this paper the wave propagation behaviour and vibration attenuation mechanism of the periodic star-shaped lattice structure are studied based on the analytical 16 degrees of freedom (DOF) discrete m...
Article
This paper proposed a type of lightweight multilayer honeycomb membrane-type acoustic metamaterials (AMs) and the transmission loss is studied experimentally. It is demonstrated that lightweight honeycomb sandwich panel AMs can break the mass law and obtain the great sound transmission loss at a light-weight. The mass per cell area of the metamater...
Article
Considering the extensive application of periodic structure and bandgap feature of periodic elastic metamaterial, this paper presents the bandgap mechanism and characteristics of two types of complex periodic lattices for vibration attenuation. Specifically, the function of the spring and mass elements acting on the bandgap in periodic system is st...
Article
Much effort has been devoted to exploring broad bandgap in low frequency with limited mass by various structural designs of elastic metamaterials (EMs). In this paper, a heterogeneous resonator configuration in 1-D dissipative lattice mass system without additional increase of mass and coupling complexity is presented to generate multiple bandgaps....
Article
Full-text available
In this study, an impedance tube test was performed to explore the influence of various dimension parameters of Nomex honeycomb sandwich core material on sound transmission loss (STL). The parameters investigated included the size of the honeycomb cells and thickness of the face sheets and honeycomb cores, and the effects of single- and double-laye...
Article
The paper investigates the temperature and residual stress fields in the selective laser melting (SLM) process. A three-dimensional thermo-mechanical coupling model is developed to simulate a multi-track multi-layer SLM process using the finite element method. The model considers the temperature-dependent material properties which consist of therma...
Article
This paper investigates the vibration attenuation performance of a floating raft system with quasi-zero stiffness (QZS) isolators. A high dimensional mathematical model of the floating raft system with 12 degrees of freedom (DOF) is established for dynamics analysis. The harmonic balance method is adopted to obtain the analytical solution of the hi...
Article
In view of the excellent performance of a single quasi-zero-stiffness (QZS) device in vibration attenuation, this paper presents a study on a vibration isolation floating raft system constructed with a double-layer QZS mechanism. A QZS device is a typical nonlinear isolator, hence the floating raft system is a coupled highly nonlinear isolation sys...
Article
This paper investigates the heat transfer and phase transition during the selective laser melting (SLM) process under a moving volumetric heat source. Specifically, our objective is to study the heating, melting, vaporization and cooling processes. The model initiatively incorporates a phase function to differentiate the powder phase, melting liqui...
Article
Full-text available
In the paper, basing on a refined beam model and considering the effects of thermal and elastic foundation, the nonlinear dynamic responses of functionally graded tubes applied to a moving load which keeps at a constant velocity are studied. This refined beam model is expanded by Laurent series expansion which can fulfill the shear stress on the in...
Article
Generally, existing isolators with quasi-zero stiffness (QZS) are designed for mitigating transmission of vertical translational excitations, but vibration isolation in multiple directions is much more desirable and useful. The major contribution of this paper is extending the QZS vibration isolation method from one degree of freedom (DOF) to all s...
Article
A platform supported by a hexapod of quasi-zero-stiffness (QZS) struts is proposed to provide a solution for low-frequency vibration isolation in six degrees-of-freedom (6DOFs). The QZS strut is developed by combining a pair of mutually repelling permanent magnets in parallel connection with a coil spring. Dynamic analysis of the 6DOFs QZS platform...
Article
Chaos control can be utilized to reform the response spectra of a dynamic system, potentially useful for the acoustic reconstruction of underwater vehicles. Introduction of the quasi-zero stiffness (QZS) isolators into the chaotification system can greatly reduce the emission of vibration signals from vehicles. In this study, the QZS isolators is a...
Article
Full-text available
Since the control energy for chaotification of Duffing-type dynamics system depends on the linear stiffness of the system, a quasi-zero-stiffness (QZS) isolated system with time delay control is introduced for line spectrum reconstruction of acoustic noise of machinery vibration of underwater vehicles. To investigate the critical condition for chao...
Article
This paper studies the nonlinear bending and vibration problems of functionally graded tubes with temperature-dependent material properties based on a refined beam model. The tubes are exposed to a uniform distributed temperature field and are placed on elastic foundation. The refined beam model for tubes can satisfy the stress boundary conditions...
Article
Full-text available
This paper investigates the nonlinear transient thermal responses of functionally graded beams resting on tensionless foundation under unsteady heat conduction. The interaction between functionally graded beams and tensionless foundation is only compressive without tensile reaction. The whole model is established based on Euler beam theory and solv...
Article
In this paper, a thermo-elasto-plastic model for the fiber-metal laminated (FML) beams is established and the mechanic characterization of a FML beam with interfacial damage under thermal environment is investigated. The elasto-plastic behavior of the FML beam is modeled by a macromechanical orthotropic plasticity theory, where the composite layers...
Article
Vibration suppression and chaotification are the key issues in the study of the concealment capability of underwater vehicles. Time delay control is superior in chaotification, but the involved dynamics are sensitive and complex. This paper presents an analysis to obtain an analytical solution of the nonlinear delay differential equations and deter...
Article
In this study, the stability reliability of the piezoelectric delaminated cylindrical shell with random variables is investigated. By introducing the Heaviside step function into the displacement components and using the Rayleigh–Ritz method, the buckling governing equations for the piezoelectric delaminated cylindrical shells is obtained. The leas...
Article
In this paper, we provide a unified and self-consistent treatment of a functionally graded material (FGM) microbeam with varying thermal conductivity subjected to non-uniform or uniform temperature field. Specifically, it is our objective to determine the effect of the microscopic size of the beam, the electrostatic gap, the temperature field and m...
Article
In this paper, the modified couple stress-based strain gradient theory is used to provide a unified nonlinear model of the quasistatic and dynamic behavior of an electrostatic microelectromechanical systems microbeam capacitive switch of the Euler–Bernoulli type. Our model not only accounts for the contact between the microbeam and the dielectric s...
Article
Line spectrum of noise radiated from machinery vibrations of underwater vehicles is one of the most harmful signals that expose the characteristics of vehicles and locations. In order to distort the features and restrain the intensity of the line spectra, we attempt to chaotify the vibration system by time delay control. To avoid blindly numerical...
Article
In this paper, the chaos method for reducing line spectra of the radiated noise of marine vessels is implemented with the application of a control scheme, that is, chaotifing the nonlinear vibration isolation system (VIS) with an external chaotic system, such as the Lorenz system families. The scheme is similar to generalized synchronization of cha...
Article
In this paper, the average method is adopted to analysis dynamic characteristics of nonlinear vibration isolation floating raft system with feedback control. The analytic results show that the purposes of reducing amplitude of oscillation and complicating the motion can be achieved by adjusting properly the system parameters, exciting frequency and...
Article
This paper presents a chaotification method based on nonlinear time-delay feedback control for a two-dimensional vibration isolation floating raft system (VIFRS). An analytical function of nonlinear time-delay feedback control is derived. This approach can theoretically provide a systematic design of chaotification for nonlinear VIFRS and completel...
Article
The postbuckling and delamination growth for delaminated piezoelectric elastoplastic laminated beams under hygrothermal conditions are investigated. By considering hygrothermal environments, transverse shear deformation, geometrical nonlinearity and piezoelectric effect, the incremental nonlinear equilibrium equations of the piezoelectric elastopla...
Article
The effective frequency of nonlinear vibration isolation is generally greater than the jump-down frequency, i. e. the jumping frequency range due to the multiple solutions of the nonlinear dynamic equations is excluded. However, when the oscillation amplitude is on the non-resonance branch of the response curve, the nonlinear isolator is capable of...
Article
This paper presents a systematic study on the stability of a two-dimensional vibration isolation floating raft system with a time-delayed feedback control. Based on the generalized Sturm criterion, the critical control gain for the delay-independent stability region and critical time delays for the stability switches are derived. The critical condi...
Article
Based on Giannakopoulos’s 2-D functionally graded material (FGM) contact model, a modified contact model is put forward to deal with impact problem of the functionally graded shallow spherical shell in thermal environment. The FGM shallow spherical shell, having temperature dependent material property, is subjected to a temperature field uniform ov...
Article
A nonlinear analysis model of fatigue delamination growth for piezoelectric elasto-plastic laminated beams under hygrothermal conditions is presented. Based on the incremental elasto-plastic constitutive equations, the incremental nonlinear governing equations of the piezoelectric elasto-plastic laminated beams with delamination are derived when ta...
Article
This report presents a technique of chaotification based on the optimal time-delay feedback that can make a system chaotic with large chaotic parameters range. The bifurcation analysis is done to determine the stability of the time-delay system. An implicit performance index and an optimization strategy are proposed for the time-delay control schem...

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