Results 31 to 40 of about 5,467,977 (315)

Single-Beam Acoustic Tweezer Prepared by Lead-Free KNN-Based Textured Ceramics

Micromachines, 2022
Acoustic tweezers for microparticle non-contact manipulation have attracted attention in the biomedical engineering field. The key components of acoustic tweezers are piezoelectric materials, which convert electrical energy to mechanical energy. The most
Yi Quan, Chunlong Fei, Wei Ren, Lingyan Wang, Jinyan Zhao, Jian Zhuang, Tianlong Zhao, Zhaoxi Li, Chenxi Zheng, Xinhao Sun, Kun Zheng, Zhe Wang, Matthew Xinhu Ren, Gang Niu, Nan Zhang, Tomoaki Karaki, Zhishui Jiang, Li Wen   +17 more
doaj   +1 more source

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

Advanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev, Noah‐Lean Roschlaub, Anne Jung   +2 more
wiley   +1 more source

OntOMat: Toward Ontology‐Based Product and Process Design Engineering and Optimization Solutions Fueling Circular Value Chains

Advanced Engineering Materials, EarlyView.
The OntOMat ontology establishes a structured framework for polymer matrix fiber reinforced composite materials, integrating manufacturing processes, characterization methods, and multiscale design through the VDI/VDE 3682 formalized process description standard.
Nicolas Christ, Jörg Hohe, Martin Kördel, Michael Giese, Niklas Toffert, Christian Seidel, Olaf Rehme, Patrik Schneider, Oliver Focke, Elie Abi Aoun, Claas Falldorf, Beñat Gutierrez, Alexandra Kühn, Sven Torstrick-von der Lieth, Christoph Herden, Erik Johannsen, Jan‐Uwe R. Schmidt, Felix Winkelmann, Andreas Schott, Daniel Schott   +19 more
wiley   +1 more source

Integration of OpenCV‐Based Microscopic Adhesive Volume Measurement Into a Pyiron Workflow for Automated Data Analysis

Advanced Engineering Materials, EarlyView.
Residual adhesive after electrode loading in adhesive‐assisted resistance spot welding is quantified through a traceable experimental‐to‐digital workflow. Chromatic confocal topography provides calibrated surface‐height data, while OpenCV detects the electrode imprint and integrates adhesive height into comparable volume metrics.
Sung‐Min Wi, Jiangdong Zhao
wiley   +1 more source

Sound Absorption of Wood-Wool Cement Absorbers

بهداشت و ایمنی کار, 2023
Introduction: Wood-Wool Cement Panels (WWCPs) are environmentally friendly sound absorbers also used as heat, energy, and moisture insulators. WWCPs have suitable mechanical properties due to using Portland cement and wood strands as raw materials.
Ali Jafari, Mohammad Reza Monazzam, Ali Khavanin, Maede Lashgari, Seyed Ali Ghoreyshi   +4 more
doaj  

Research Progress and Development Trends of Acoustic Metamaterials

Molecules, 2021
Acoustic metamaterials are materials with artificially designed structures, which have characteristics that surpass the behavior of natural materials, such as negative refraction, anomalous Doppler effect, plane focusing, etc.
Hao Song, Xiaodong Ding, Zixian Cui, Haohao Hu   +3 more
doaj   +1 more source

Enhanced Ultrasound Transmission Through Aberration Layers Using Space‐Coiling Acoustic Metamaterials

Advanced Engineering Materials, EarlyView.
Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami, Hengzhe Ren, Erqian Dong, Ashkan Ghanbarzadeh‐Dagheyan, Chen Shen   +4 more
wiley   +1 more source

Modeling of railway track integrating a shock-absorbing mat at the sleepers-ballast interface using eigenfunctions of displacement

Scientific Reports
Damage caused to railway tracks and the surrounding environment during trains passage have become a real concern for those involved in the railway sector over the years.
C. A. Moubeke, Adoukatl Chanceu, R. P. Lemanlé Sanga, G. E. Ntamack, S. Charif D’Ouazzane   +4 more
doaj   +1 more source

An Explicit Constitutive Reconstruction Framework for Mechanical Characterization of Miniaturized 3D‐Printed Specimens

Advanced Engineering Materials, EarlyView.
An explicit constitutive reconstruction framework enables accurate tensile characterization of miniaturized additively manufactured specimens using only the grip‐to‐grip displacement measurements. Progressive validation through self‐consistency, analytical comparison, and inverse finite element method (iFEM) benchmarking demonstrates constitutive ...
Junqing Leng, Caralyn Collins, Pengpeng Zhang, Joanna Zhang, Cheng Sun   +4 more
wiley   +1 more source

The mechanisms for successful sound design in educational spaces to achieve acoustic comfort and their impact on academic efficiency: (The study of auditoriums in universities) [PDF]

JES: Journal of Engineering Sciences
Architects prioritize designing different buildings to maximize the utilization of natural resources such as natural lighting, natural ventilation, and renewable energy. However, some individuals overlook the focus on architectural acoustics, which deals
Mohamed Mahmoud Hassan Abd Elregal
doaj   +1 more source