K.F. Wang
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View article: Environmental Disturbance Effects on Liquid Crystal Elastomer Photothermal-Oscillator Dynamics
Environmental Disturbance Effects on Liquid Crystal Elastomer Photothermal-Oscillator Dynamics Open
Self-oscillations convert ambient energy into continuous periodic motion through feedback mechanisms, but their response to external periodic disturbances is not yet fully understood. Through the combination of a photothermally-responsive …
View article: Effective elastic modulus and energy absorption performance evaluations of a novel re-entrant chiral hybrid honeycomb
Effective elastic modulus and energy absorption performance evaluations of a novel re-entrant chiral hybrid honeycomb Open
Re-entrant honeycombs are widely used in safeguard structures due to their geometric simplicity and excellent energy absorption capacities. However, traditional re-entrant honeycombs exhibit insufficient stiffness and stability owing to th…
View article: Thermal‐structural dynamic behaviors of a beam under non‐Fourier thermal shock: Theorical and numerical analysis
Thermal‐structural dynamic behaviors of a beam under non‐Fourier thermal shock: Theorical and numerical analysis Open
A coupled thermal‐structural dynamic model of a beam under non‐Fourier thermal shock and its approximate solution are developed in the present study. Meanwhile, the analytical solution for thermally induced vibration (TIV) of a beam withou…
View article: Electro-mechanical-carrier coupling behaviors of piezoelectric semiconductor fibers with p–n junctions under pull-out loading
Electro-mechanical-carrier coupling behaviors of piezoelectric semiconductor fibers with p–n junctions under pull-out loading Open
Due to their unique properties between carrier redistribution and built-in electric potential induced by external stress, piezoelectric semiconductor (PS) fibers are widely used in intelligent structures. In this paper, electromechanical c…
View article: Analysis of Covered Pile on Multi-row Pile Quay
Analysis of Covered Pile on Multi-row Pile Quay Open
The multi-row pile quay wall is an innovative permanent structure comprising multiple piles, relieving slabs, flood control walls, and backfill sand. Although it additionally serves as a functional wharf, the research on multi-row pile qua…
View article: How bending deformation affects the performance of polarization converters based on slot waveguides
How bending deformation affects the performance of polarization converters based on slot waveguides Open
Polarization is an important characteristic of light and plays a critical role in many natural and industrial processes. In this paper, we present an optical gradient force actuated polarization converter based on a slot waveguide, which c…
View article: Develop an optimal washing and care mode for knapsack
Develop an optimal washing and care mode for knapsack Open
In order to develop a suitable washing mode for knapsack, mechanical agitation (1), water bath vibration (2), ultrasonic (3), micro-nano bubble (4) and complex washing mode of the two were systematically investigated. Results showed that r…
View article: Nonlinear analysis of flexoelectric acoustic energy harvesters with Helmholtz resonator
Nonlinear analysis of flexoelectric acoustic energy harvesters with Helmholtz resonator Open
A Helmholtz resonator-type flexoelectric acoustic energy harvester (HR-FAEH) is proposed in this paper. It is realized by replacing the cavity bottom plate of Helmholtz resonator with a disk vibrator, which is a circular plate attached fle…
View article: Numerical study of the radio-frequency biased accelerating system in ion thrusters
Numerical study of the radio-frequency biased accelerating system in ion thrusters Open
A 2D-3V implicit immersed-finite-element particle-in-cell (IFE-PIC) model is introduced to investigate the radio-frequency (RF) self-bias accelerating system applied in the RF ion thruster. A set of holes in a two-grid system with slit ape…
View article: Nonlinear Analyses of Porous Functionally Graded Sandwich Piezoelectric Nano-Energy Harvesters under Compressive Axial Loading
Nonlinear Analyses of Porous Functionally Graded Sandwich Piezoelectric Nano-Energy Harvesters under Compressive Axial Loading Open
In this study, a sandwich piezoelectric nano-energy harvester model under compressive axial loading with a core layer fabricated of functionally graded (FG) porous material is presented based on the nonlocal strain gradient theory (NSGT). …