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Junhua Wang, Junfei Xu, Yan Lu, Tancheng Xie, Jianjun Peng, Junliang Chen and Yanwei Xu
Laser?arc composite additive manufacturing holds significant potential for a wide range of industrial applications, and the control of morphological dimensions in the deposited layer is a critical aspect of this technology. The width and height dimension...
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Angelina Marko, Stefan Bähring, Julius Raute, Max Biegler and Michael Rethmeier
The Directed Energy Deposition process is used in a wide range of applications including the repair, coating or modification of existing structures and the additive manufacturing of individual parts. As the process is frequently applied in the aerospace ...
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Mohamed Achraf El youbi El idrissi, Loubna Laaouina, Adil Jeghal, Hamid Tairi and Moncef Zaki
Additive manufacturing (AM) technologies are growing more and more in the manufacturing industry; the increase in world energy consumption encourages the quantification and optimization of energy use in additive manufacturing processes. Orientation of th...
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Jiang Fan, Qinghao Yuan, Gaoxiang Chen, Huming Liao, Bo Li and Guangchen Bai
The Laser Metal Deposition (LMD) involves extremely complex multi-scale multi-physics and multiple thermal cycles issues, making it difficult to accurately predict the resultant mechanical properties of fabricated components from given process parameters...
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Mohammad S. Islam, Shahid Husain, Jawed Mustafa and Yuantong Gu
The main challenge of the health risk assessment of the aerosol transport and deposition to the lower airways is the high computational cost. A standard large-scale airway model needs a week to a month of computational time in a high-performance computin...
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Christian Wacker, Markus Köhler, Martin David, Franziska Aschersleben, Felix Gabriel, Jonas Hensel, Klaus Dilger and Klaus Dröder
Wire arc additive manufacturing (WAAM) is a direct energy deposition (DED) process with high deposition rates, but deformation and distortion can occur due to the high energy input and resulting strains. Despite great efforts, the prediction of distortio...
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Andi Patriadi, Ria Asih Aryani Soemitro, Dwa Desa Warnana, Wasis Wardoyo, Toshifumi Mukunoki, Gozo Tsujimoto, Mahendra Andiek Maulana and Trihanyndio Rendy Satrya
Sediment compaction due to the extraction of groundwater and self-weight consolidation, and monitoring land settlement of the river delta using geodetic measurement has been executed in several studies, while sediment settlement in the estuary is hypothe...
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Yang Gao, Xiaoqiang Ren, Jiang Han, Fuwei Wang, Yuan Liang and Lin Liu
The microtopography of a honing wheel surface composed of active abrasive grains is the key factor affecting the honing characteristics, and control of it is a sufficient condition to realize high-efficiency precision honing. Based on the magnetron sputt...
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James Buckman and Sean Higgins
Sandstones and many carbonates (e.g., oolitic limestone and other grainstones), comprise solid particulates (grains) and pores, which have a given pore network architecture relationship, and associated porosity?permeability values. Over time, through the...
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Chun-Feng Hao, Jun Qiu, Fang-Fang Li
Pág. 1 - 16
With the rapid economic growth in China, a large number of hydropower projects have been planned and constructed. The sediment deposition of the reservoirs is one of the most important disputes during the construction and operation, because there are man...
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Chun-Feng Hao, Jun Qiu and Fang-Fang Li
With the rapid economic growth in China, a large number of hydropower projects have been planned and constructed. The sediment deposition of the reservoirs is one of the most important disputes during the construction and operation, because there are man...
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S. MONTECINOS
The goal of this article is to show simple, analytical solutions of the general dispersion equation for an homogeneous plane source, parallel to the surface of the earth. At a first step, we construct a one-dimensional model, where a perfe...
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Tongben Wang, Zhifei Ma, Jingming Jiang and Qi Chen
The electric transmission failure induced by the electrostatic migration and deposition of the friction-pair-produced abrasive dusts in the Solar Array Drive Assembly (SADA) is studied for the first time by integrating experiments and Finite Element Meth...
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Walter Chen, Kieu Anh Nguyen and Yu-Chieh Huang
Soil erosion is a complex process involving material detachment, transportation (mainly by water, occasionally by wind), and eventual deposition when energy wanes. Human activities like tillage and construction can exacerbate soil erosion. Various forms ...
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Zhigang Shan, Hao Wu, Weida Ni, Miaojun Sun, Kuanjun Wang, Liuyuan Zhao, Yihuai Lou, An Liu, Wei Xie, Xing Zheng and Xingsen Guo
Submarine landslides have attracted widespread attention, with the continuous development of ocean engineering. Due to the recent developments of in-situ investigation and modelling techniques of submarine landslides, significant improvements were achiev...
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Gustavo Gonçalves Garcia, Antônio Jorge Vasconcellos Garcia, Maria Helena Paiva Henriques, Rafael Mendes Marques and Rui Pena dos Reis
The Amaral Formation has a wide geographic distribution within the Lusitanian Basin, at the western Iberian Margin (Portugal). The different depositional contexts for this unit enabled the distinction of three sectors: lagoon, lagoon-barrier, and marine-...
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Yonghang Lai, Ian A. Ridley and Peter Brimblecombe
Ingress of air from neighboring apartments is an important source of fine particulate matter (PM2.5) in residential multi-story buildings. It affects the measurement and estimation of particle deposition rate and penetration factor. A blower-door method ...
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Seyed Ali Mousavi Tayebi, Saeid Moussavi Tayyebi and Manuel Pastor
Due to the growing populations in areas at high risk of natural disasters, hazard and risk assessments of landslides have attracted significant attention from researchers worldwide. In order to assess potential risks and design possible countermeasures, ...
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Nicholas Bojdo and Antonio Filippone
There have been several recorded mishaps of rotorcraft experiencing flame-out due to engine surge as a result of rapid accumulation of sand and dust on nozzle guide vanes. Minerals such as sodium chloride and albite have lower melting points than quartz ...
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Alemu O. Aga, Assefa M. Melesse and Bayou Chane
Information on sediment concentration in rivers is important for the design and management of reservoirs. In this paper, river sediment flux and siltation rate of a rift valley lake basin (Lake Ziway, Ethiopia) was modeled using suspended sediment concen...
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