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Liv Rittmeier, Natalie Rauter, Andrey Mikhaylenko, Rolf Lammering and Michael Sinapius
Lamb waves occur in thin-walled structures in two wave modes?the symmetric and the antisymmetric mode. Their oscillation on the structures? surfaces is either in phase (symmetric) or shifted by a phase angle of ??
p
(antisymmetric). In this work, a meth...
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Tengfei Ma, Yang Li, Zhenggan Zhou and Jia Meng
Carbon fiber-reinforced polymers (CFRP) are extensively used in aerospace applications. Out-of-plane wrinkles frequently occur in aerospace CFRP parts that are commonly large and complex. Wrinkles acting as failure initiators severely damage the mechanic...
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Yanfang Liu, Guocui Wang, Xianna Zhang, Hongchen Li, Bingcheng Si, Wenqian Liu and Zhenhua Zhang
The indefinite characteristics of gas?liquid two-phase flow limit the usage of aerated drip irrigation. Gas?liquid two-phase flow in a labyrinth channel was observed using a particle tracking velocimetry (PTV) technique in this study. The motion trajecto...
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Hong Je-Gal, Seung-Jin Lee, Jeong-Hyun Yoon, Hyun-Suk Lee, Jung-Hee Yang and Sewon Kim
Ensuring operational reliability in machinery requires accurate fault detection. While time-domain vibration pulsation signals are intuitive for pattern recognition and feature extraction, downsampling can reduce analytical complexity, but may result in ...
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Jinxiang Xi, Mohamed Talaat, Xiuhua Si and Haibo Dong
Glottal vibration is fundamental to breathing-related disorders and respiratory sound generation. However, responses of the flow and acoustics to glottal vibrations of different frequencies are unclear. The objective of this study is to numerically evalu...
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Julian Chenin and Heather Bedle
An effective method of identifying and discriminating undersaturated gas accumulations remains unresolved, resulting in uncertainty in hydrocarbon exploration. To address this problem, an unsupervised machine learning multi-attribute analysis is performe...
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Pavel Starovoitov
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as the absorber and plastic scintillators as the active medium. The High-Luminosity phase of the LHC, delivering five times ...
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Stefano Perazzini, Fabio Ferrari, Vincenzo Maria Vagnoni and on behalf of the LHCb ECAL Upgrade-2 R&D Group
The increase in instantaneous luminosity during the high-luminosity phase of the LHC represents a significant challenge for future detectors. A strategy to cope with high-pileup conditions is to add a fourth dimension to the measurements of the hits, by ...
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Oleg A. Druzhinin and Wu-Ting Tsai
This paper presents an algorithm for numerical modeling of bubble dispersion occurring in the near-surface layer of the upper ocean under the action of non-breaking two-dimensional (2D) surface waves. The algorithm is based on a Eulerian-Lagrangian appro...
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Mohan Zhang, Bo Yin, Dilong Guo, Zhanling Ji and Guowei Yang
One of the most common systems in engineering problems is the multi-column system in the form of an equilateral-triangular arrangement. This study used three-dimensional numerical simulations to investigate the flow around three cylinders in this arrange...
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