A5064086952- Structural Health Monitoring Techniques
- Composite Structure Analysis and Optimization
- Ultrasonics and Acoustic Wave Propagation
- Aeroelasticity and Vibration Control
- Acoustic Wave Phenomena Research
- Mechanical Behavior of Composites
- Smart Materials for Construction
- Wireless Communication Networks Research
- Advanced Adaptive Filtering Techniques
- Speech and Audio Processing
- Composite Material Mechanics
- Non-Destructive Testing Techniques
- Cancer, Hypoxia, and Metabolism
- Structural Load-Bearing Analysis
- Industrial Vision Systems and Defect Detection
- Cellular and Composite Structures
- Millimeter-Wave Propagation and Modeling
- Advanced Wireless Communication Techniques
- Advanced DC-DC Converters
- Telecommunications and Broadcasting Technologies
- Advanced Measurement and Detection Methods
- Radio Frequency Integrated Circuit Design
- Electromagnetic Launch and Propulsion Technology
- Interconnection Networks and Systems
- Advanced Power Amplifier Design
Hohai University
2024
National Engineering Research Center of Electromagnetic Radiation Control Materials
2021-2024
State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System
2021-2024
Air Force Medical University
2023-2024
Beihang University
2012-2024
Suzhou University of Science and Technology
2024
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
2024
Ministry of Water Resources of the People's Republic of China
2024
Tang Du Hospital
2023
Tianjin Medical University
2022
Abstract Background Oral squamous cell carcinoma (OSCC), the predominant malignancy of oral cavity, is characterized by high incidence and low survival rates. Emerging evidence suggests a link between circadian rhythm disruptions cancer development. The gene TIMELESS, known for its specific expression in various tumors, has not been extensively studied context OSCC. This study aims to explore influence TIMELESS on OSCC, focusing growth metabolic alterations. Methods We analyzed OSCC using...
Experimental tests and finite element method (FEM) simulation were implemented to investigate T700/TDE86 composite laminate single-lap joints with different adhesive overlap areas adherend thickness. Three-dimensional models of the having various experimental parameters have been established. The damage initiation progressive evolution laminates predicted based on Hashin criterion continuum mechanics. delamination failure simulated by cohesive zone model. results agree well results, proving...
The aims in this study were to examine the influence of job crafting, satisfaction, and work engagement on employee turnover intention, investigate role satisfaction as mediators relationship between crafting intention. A validated questionnaire was used collect data from 212 employees a service company China. results structural equation modeling showed that partially mediated crafting–turnover intention relationship. These findings extended prior research confirmed each predictor suggest...
Abstract Background Glutaminolysis is a critical metabolic process that promotes cancer cell proliferation, including hepatocellular carcinoma (HCC). Delineating the molecular control of glutaminolysis could identify novel targets to ameliorate this oncogenic pathway. Here, we evaluated role general amino acid synthesis 5 like 1 (GCN5L1), regulator mitochondrial protein acetylation, in modulating acetylation and activity glutaminase regulate HCC development. Methods Cell proliferation was...
The performances of low-velocity impact (LVI) and compression after (CAI) honeycomb sandwich composite panels are investigated experimentally numerically. Honeycomb with different facesheet thicknesses impacted by drop-weight machine under gradually increasing energies. visible surface damage is recorded ultrasonic C-scan technology used to inspect the internal plates. Numerical simulation conducted using finite element method, taking into account both damage. model based on continuum...
This article presents a new method to generate the random fiber distribution in transverse cross‐section of reinforced composites with desired high volume fraction. The method, combined disturbance algorithm and perfect elastic collision algorithm, generates Representative Volume Element (RVE) models through shifting fibers avoiding overlapped. advantage this is that it can study continuous changing trends both statistical characterizations mechanical properties RVE from periodic...
Abstract Disturbance gravity is an important error source that affects the guidance accuracy of spacecraft, and improvement great significance for improving damage efficiency spacecraft. Although this problem has become a hot topic in current research, influence mechanism disturbing on its quantitative description still needs to be further summarized typical modes. In paper, disturbance launch area spacecraft perturbation closed-loop modes systematically analyzed, fall-point deviation under...
Most existing methods for HPA predistortion with memory effects are based on polynomial or indirect learning structures. Few papers concern about the LUT techniques. Based previously presented method, we propose an improved two-dimensional indexing method memory. Computer simulations and corresponding analysis demonstrate that proposed has more effective capabilities but lower computational complexity
The tensile performance of adhesively bonded CFRP scarf-lap joints was investigated experimentally and numerically. In this study, scarf angle adherend thickness were chosen as design parameters. lap shear strength is not directly proportional to for the brittle adhesive studied in paper. major failure mode includes cohesive delamination failure. results present a stepped morphology along bondline layer. A finite element model based on zone established further investigate stress distribution...
This article investigates the response of composite sandwich panel with Nomex honeycomb core subjected to low‐velocity impact and compression after (CAI) by using methods experiments numerical simulations. Low‐velocity panels at five energy levels is carried out research damage resistance tolerance. A failure model based on Hashin criterion implemented intralaminar behavior laminated plies in simulation. The cohesive zone used simulate delamination between adjacent plies. defined as an...
In this paper, both piezoelectric curved multi-layered actuators and functionally gradient made of materials (FGM) are investigated. The exact solutions mechanical electrical fields the above two types obtained on basis theory elasticity. Comparisons indicate that deflections slightly smaller than those actuators; however, internal normal stresses former ones significantly smaller. Moreover, as number layers increases depth decreases, limitation results a actuator asymptotically approaches...
An analytical study on the bending behavior of a piezoelectric curved actuator with generally graded properties for parameter g31 is performed. The external electric potential acting between inner and outer surfaces actuator. A Taylor series expansion method introduced exact solutions problem are obtained based theory piezo-elasticity. present compared numerical results good agreement found. This work gives sound background design optimization functionally actuators.
The mechanical analysis of adhesive repair honeycomb sandwich composite plate is more complicated than that the laminated repair, because not only damage, but also buckling should be considered. Experimental and numerical investigations are carried out to understand damage propagation ultimate strength both open-hole plates under compressive load. results models verified by experimental data they found in good agreement. It revealed from about 34% intact plate, while could resume 76% after...
The settling of solid particles in fluid constitutes a fundamental and crucial aspect with applications spanning various natural phenomena engineering processes, including sediment transport wastewater treatments. This paper delves into an experimental investigation aimed at comprehending the dynamics self-organization multiple spherical side by intermediate Reynolds numbers. study employs electromagnetic release device, previously developed for controlled under gravity, ensuring...
An analytical model of the dynamic properties 2–2 cement based piezoelectric transducer is proposed using effect, on Li's experiments. Then, exact solutions are obtained by displacement method; comparison and discussion with experimental results in related literature also given good agreement found, which could be used for better understanding experiment. A theoretical method applying composite civil engineering provided.
Multi-layered cement-based piezoelectric composites could enable accurate real-time detection of the concrete structure deformation induced by impact load. An analytical method for quantifying response multi-layered composite is established based on piezo-elasticity, and a general transfer matrix description with any number layers derived. The motion decomposed into natural modes according to its physical significance vibration modes. mechanical electrical solutions are obtained via mode...
Cement-based piezoelectric composite, has been widely used as a kind of smart material in structural health monitoring and active vibration control. However, transient dynamic loads such impact may cause serious damage to the composite. Considering electrode layer effect, this paper aimed investigate theoretical response 2-2 cement-based composite sensor subjected an load. The behaviors are analyzed by using mode summation method virtual work principle. To simulate load, haversine wave...
Cement-based piezoelectric materials are widely used due to the fact that compared with common smart materials, they overcome defects of structure-incompatibility and frequency inconsistency a concrete structure. However, present understanding mechanical behavior cement-based under impact load is still limited. The dynamic characteristics importance, for example, studying anti-collision properties engineering structures aircraft takeoff-landing safety. Therefore, in this paper, an analytical...
In this work, the second harmonic generation (SHG) technique based on embedded piezoelectric (PZT) sensors is developed for defect assessment of concrete samples. Three different imperfection forms including internal capillary void during curing process, cracking damage due to compression, and bending loads are examined analyzed. Clear harmonics observed by Fourier transform time domain signal, square fundamental signal amplitude shows a linear relation with as theoretically expected. The...