Results 71 to 80 of about 27,181 (312)

Study on Aerodynamic Optimization of II-Shaped Cable-Stayed Bridge with Vortex-Induced Vibration in Mountainous Areas

Zhongwai Gonglu
Given vortex-induced vibrations of bridges caused by high wind attack angles in mountainous canyons, this study investigated the vortex-induced dynamic characteristics of a Π-shaped steel-concrete composite beam cable-stayed bridge in a mountainous ...
ZENG Min, LIU Hanyun, MAO Na, CHEN Baixiang, HAN Yan, LI Chunguang   +5 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Numerical Simulation on Vortex-induced Vibration Interference of Staggered Double Cylinders

Shiyou jixie, 2022
In order to further explore the sensitive spacing and arrangement angle affecting the vortex-induced vibration behaviors of staggered double cylinders,mesh division was completed with the support of the overset mesh technology,the vibration model was ...
Zhang Rui, Lou Min, Wang Xiaokai, Zhao Deiguang   +3 more
doaj  

Stable Protein‐Based G‐Quadruplex‐Derived Supramolecular Bioinks as Tunable ECM‐Mimetic Constructs Assembled by Combining Non‐Covalent and Covalent Strategies

Advanced Materials, EarlyView.
Harnessing the synergistic interplay of supramolecular self‐assembly, under macromolecular crowding conditions, and enzymatic‐mediated covalent crosslinking toward a stable protein‐based G‐quadruplex‐derived supramolecular bioink. This bioinspired strategy enables the biofabrication of complex and tunable ECM‐mimetic constructs, providing a platform ...
Vera Sousa, Rita Sobreiro‐Almeida, Bart W. L. van den Bersselaar, E. W. Meijer, Ghislaine Vantomme, João Borges, João F. Mano   +6 more
wiley   +1 more source

New method in suppressing vortex-induced vibration of marine riser

, 2012
Marine risers are key apparatus in connecting the subsea wells to the oil production platform. When the ocean current flow past a riser, the vortex shedding behind riser may induce vibration. If the frequency of vortex shedding is approaching or equal to
Shi SY(史仕荧), Lin LM(林黎明), 钟兴福, Wu YX(吴应湘), Zhong XF(钟兴福)   +4 more
core   +1 more source

Miniature Soft Robot With Magnetically Reprogrammable Surgical Functions

Advanced Materials, EarlyView.
Miniature soft robots have great prospects to revolutionize minimally invasive treatments. Here we present a miniature soft robot, which can be reprogrammed to perform five surgical functionalities with six‐degrees‐of‐freedom motions. This soft robot can prospectively make minimally invasive surgery considerably safer and painless, and enable ...
Chelsea Shan Xian Ng, Yu Xuan Yeoh, Nicholas Yong Wei Foo, Keerthana Radhakrishnan, Guo Zhan Lum   +4 more
wiley   +1 more source

Vortex flow generator utilizing synthetic jets by diaphragm vibration [PDF]

, 2018
This paper develops a millimeter scale fully packaged device in which a vortex flow of high velocity is generated inside a chamber. Under the actuation by a lead zirconate titanate (PZT) diaphragm, a flow circulates with increasing velocity after each ...
Van Thanh Dau, Bui, Tung Thanh, Dinh, Thien Xuan, Tran, Canh-Dung, Canh-Dung Tran, Thien Xuan Dinh, Dau, Van Thanh, Tung Thanh Bui   +7 more
core   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Numerical Simulation of Vortex⁃Induced Vibration of Cylinder with Porous Media

Liaoning Shiyou Huagong Daxue xuebao
Vortex⁃induced vibration represents a critical mechanism of structural damage,which not only reduced service life of workpieces but can also lead to structural deformation and failure,thereby posing safety risks or causing economic losses.
Yangxi GAI, Ligang CHENG, Shengyi WU, Li FU, Hao PANG   +4 more
doaj   +1 more source

Study on Fluid-Induced Vibration Power Harvesting of Square Columns under Different Attack Angles

Geofluids, 2017
A model of the flow-vibration-electrical circuit multiphysical coupling system for solving square column vortex-induced vibration piezoelectric energy harvesting (VIVPEH) is proposed in this paper. The quasi steady state theory is adopted to describe the
Meng Zhang, Guifeng Zhao, Junlei Wang
doaj   +1 more source