Hongping Hu
YOU?
Author Swipe
View article: The effect of individual exercise rehabilitation program on ischemic burden and cardiac function in patients with ischemic non-obstructive coronary heart disease: a randomized parallel controlled clinical trial
The effect of individual exercise rehabilitation program on ischemic burden and cardiac function in patients with ischemic non-obstructive coronary heart disease: a randomized parallel controlled clinical trial Open
Background Coronary heart disease (CHD) is a pervasive chronic condition that poses a significant threat to global health and mortality worldwide. Given the severity of this disease, it is imperative to consider pivotal factors such as age…
View article: A low-frequency anechoic coating under high hydrostatic pressure by pressure balancing strategy
A low-frequency anechoic coating under high hydrostatic pressure by pressure balancing strategy Open
It has always been a challenge to develop low-frequency anechoic coatings under high hydrostatic pressure. Based on active pressure balancing strategy (APBS), the airbag embedding in Helmholtz resonator model is proposed to achieve low-fre…
View article: Equivalent Circuit of a Stacked Piezoelectric Cymbal Vibrator
Equivalent Circuit of a Stacked Piezoelectric Cymbal Vibrator Open
In order to provide a convenient and fast calculation method, the equivalent circuit of a novel stacked piezoelectric cymbal vibrator is studied. The equivalent circuit model of the piezoelectric stack is derived by combining the equivalen…
View article: Sound absorption mechanism of underwater anechoic coating with spherical cavities
Sound absorption mechanism of underwater anechoic coating with spherical cavities Open
An axisymmetric theoretical model is simplified to investigate sound absorption in the underwater anechoic coating with spherical cavities. An empirical equation is put forward to predict the frequency at the first absorption peak. The sou…
View article: Research on Stacked Piezoelectric Cymbal Vibrator
Research on Stacked Piezoelectric Cymbal Vibrator Open
As demand for haptic feedback increases, piezoelectric materials have become one of the best candidate materials due to their small size, high electromechanical coupling coefficient, and fast response. A stacked piezoelectric cymbal vibrat…
View article: Low-frequency broadband multidirectional vibration isolation by piezoelectric smart platform with active control
Low-frequency broadband multidirectional vibration isolation by piezoelectric smart platform with active control Open
A high-precision equipment is very sensitive to vibration, even micro vibration. How to isolate the low-frequency broadband multidirectional vibration remains a challenge. As the main component of piezoelectric smart vibration isolation mo…
View article: Design and Experimental Study of a Stepping Piezoelectric Actuator with Large Stroke and High Speed
Design and Experimental Study of a Stepping Piezoelectric Actuator with Large Stroke and High Speed Open
A stepping piezoelectric actuator is proposed with large stroke and high speed. The piezoelectric actuator consists of two symmetrical stators and a mover. The actuator can operate with a “double-drive, four-clamp” mode. The proposed actua…
View article: Liquid-Solid Synergistic Sound Absorption Principle for Underwater Anechoic Coating
Liquid-Solid Synergistic Sound Absorption Principle for Underwater Anechoic Coating Open
View article: Size effects on the mixed modes and defect modes for a nano-scale phononic crystal slab
Size effects on the mixed modes and defect modes for a nano-scale phononic crystal slab Open
The size-dependent band structure of an Si phononic crystal (PnC) slab with an air hole is studied by utilizing the non-classic wave equations of the nonlocal strain gradient theory (NSGT). The three-dimensional (3D) non-classic wave equat…
View article: Design of GHz Mechanical Nanoresonator with High Q-Factor Based on Optomechanical System
Design of GHz Mechanical Nanoresonator with High Q-Factor Based on Optomechanical System Open
Micro-electromechanical systems (MEMS) have dominated the interests of the industry due to its microminiaturization and high frequency for the past few decades. With the rapid development of various radio frequency (RF) systems, such as 5G…
View article: Multiple wide band gaps in a convex-like holey phononic crystal strip
Multiple wide band gaps in a convex-like holey phononic crystal strip Open
A convex-like one-dimensional holey phononic crystal (PnC) strip with multiple wide band gaps but simple construction is investigated. By dint of the unique folding topology constituted by deformable L-shaped connectors and rigid lumps, th…
View article: Acousto-optic cavity coupling in 2D phoxonic crystal with combined convex and concave holes
Acousto-optic cavity coupling in 2D phoxonic crystal with combined convex and concave holes Open
International audience
View article: Strong quadratic acousto-optic coupling in 1D multilayer phoxonic crystal cavity
Strong quadratic acousto-optic coupling in 1D multilayer phoxonic crystal cavity Open
Four methods are applied to calculate the acousto-optic (AO) coupling in one-dimensional (1D) phoxonic crystal (PXC) cavity: transfer matrix method (TMM), finite element method (FEM), perturbation theory, and Born approximation. Two types …
View article: Analysis of the space-based surface temperature distribution in Badain Jaran Desert
Analysis of the space-based surface temperature distribution in Badain Jaran Desert Open
<p>The 49,000-km<sup>2 </sup>Badain Jaran Desert lies in the centre of Alxa Plateau in the western Inner Mongolian Region [1;2]. The southern part of this desert is characterised by the unique association of lakes with th…
View article: Distributed Brillouin optical fiber temperature and strain sensing at a high temperature up to 1000 °C by using an annealed gold-coated fiber
Distributed Brillouin optical fiber temperature and strain sensing at a high temperature up to 1000 °C by using an annealed gold-coated fiber Open
In this study, the distributed temperature and strain sensing with an annealed single mode gold-coated optical fiber over a wide temperature range up to 1000 °C is demonstrated by using the differential pulse pair (DPP) Brillouin optical t…
View article: Analysis of a micro piezoelectric vibration energy harvester by nonlocal elasticity theory
Analysis of a micro piezoelectric vibration energy harvester by nonlocal elasticity theory Open
A theoretical model of a micro piezoelectric energy harvester is proposed based on the nonlocal elasticity theory, which is operated in the flexural mode for scavenging ambient vibration energy. A nonlocal scale is defined as the product o…
View article: An Enhanced Plane Wave Expansion Method to Solve Piezoelectric Phononic Crystal with Resonant Shunting Circuits
An Enhanced Plane Wave Expansion Method to Solve Piezoelectric Phononic Crystal with Resonant Shunting Circuits Open
An enhanced plane wave expansion (PWE) method is proposed to solve piezoelectric phononic crystal (PPC) connected with resonant shunting circuits (PPC-C), which is named as PWE-PPC-C. The resonant shunting circuits can not only bring about…