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Ali A. Yassin, Jian Yao and Shiyao Han
In 2009, Xu et al. presented a safe, dynamic, id-based on remote user authentication method that has several advantages such as freely chosen passwords and mutual authentication. In this paper, we review the Xu?Zhu?Feng scheme and indicate many shortcomi...
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Ali A. Yassin, Jian Yao and Shiyao Han
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Michal Rogowski, Maciej Fabrykiewicz, Pawel Szymanski and Rafal Andrzejczyk
Various types of heat pipes are available to purchase off the shelf, from various manufacturers, but most of them have strictly defined geometry and technical parameters. However, when there is a need to use a heat pipe (HP) with an unusual size and shap...
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José Galindo, Andrés Tiseira, Roberto Navarro, Lukas Benjamin Inhestern and Juan David Echavarría
The flow through the stator vanes of a variable geometry turbocharger turbine can reach supersonic conditions and generates a shock wave on the stator vanes, which has a potential impact on the flow loss as well as on unsteady aerodynamic interaction. Th...
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Andreas Scalas, Daniela Cabiddu, Michela Mortara and Michela Spagnuolo
A urban digital twin is the virtual representation of real assets, processes, systems and subsystems of a city. It uses and integrates heterogeneous data to learn and evolve with the physical city, providing support to monitor the current status and pred...
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Jie Tan, Jie Leng, Xudong Zeng, Di Feng and Panliang Yu
Xiegong is a unique element of Chinese historic buildings that could date the heritage dynasty. It is more complicated than the Dougong and represents a high level of artistic and structural achievement. Archaeological research on Xiegong is urgent due t...
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Eugene Ilyushin,Dmitry Namiot
Pág. 11 - 19
AI technologies, which have received an impetus in development in recent years due to the emergence of a significant amount of data and computing resources, have greatly influenced many areas of human life, and for some of them, they have become an integ...
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Eugene Ilyushin,Dmitry Namiot
Pág. 11 - 19
AI technologies, which have received an impetus in development in recent years due to the emergence of a significant amount of data and computing resources, have greatly influenced many areas of human life, and for some of them, they have become an integ...
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Yunzhen Liu, Zhiqiang Wan, Chao Yang and Xiaozhe Wang
In this paper, we present an integration subtraction technique to model holes interactively in a predesigned domain for adaptive problems. This technique involves two approaches, the normal subtraction technique and the moving subtraction technique. In t...
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Robert Zakinyan, Arthur Zakinyan, Roman Ryzhkov and Julia Semenova
In the present work, an analytical model of the vortex motion basic state of the dry atmosphere with nonzero air velocity divergence is constructed. It is shown that the air parcel moves along the open curve trajectory of spiral geometry. It is found tha...
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Lluís J. Liñán
Pág. 179 - 182
The broad semantic field that stems from the fruitful interaction between architecture and representation can be projected onto two separate surfaces. The first one deals with the symbolic function of buildings, that is, with their mandate to represent a...
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Daicheng Peng, Fei Cheng, Xiaoyu She, Yunpeng Zheng, Yongjie Tang and Zhuo Fan
Submarine pipelines are a safe and energy-efficient mode of gas transport. However, due to the complex manufacturing process and harsh operating environment, submarine pipelines are subject to fatigue cracks under long-term cyclic loading. A comprehensiv...
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Eike Jakubowitz, Thekla Feist, Alina Obermeier, Carina Gempfer, Christof Hurschler, Henning Windhagen and Max-Heinrich Laves
Human grasping is a relatively fast process and control signals for upper limb prosthetics cannot be generated and processed in a sufficiently timely manner. The aim of this study was to examine whether discriminating between different grasping movements...
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Saverio Cosola, Paolo Toti, Enrico Babetto, Ugo Covani, Miguel Peñarrocha-Diago and David Peñarrocha-Oltra
Background: The present in vitro study aimed to investigate the fatigue performance of different dental fixtures in two different emergence profiles. Biological failures are frequently reported because the problem canonly be solved by replacing a failing...
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Su Yang, Miaole Hou, Ahmed Shaker and Songnian Li
The digital documentation of cultural relics plays an important role in archiving, protection, and management. In the field of cultural heritage, three-dimensional (3D) point cloud data is effective at expressing complex geometric structures and geometri...
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Anastasiia Moskaleva, Alexander Safonov and Enrique Hernández-Montes
This article is a survey discussing the application of fiber-reinforced polymer composites in freeform structures and their impact on the design and shape generation process. The analysis of case studies showed that the use of FRP composites not only hel...
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Xin-Jiang Wei, Xiao Wang, Gang Wei, Cheng-Wei Zhu and Yu Shi
The vertical tunneling method is an emerging technique to build sewage inlets or outlets in constructed horizontal tunnels. The jacking force used to drive the standpipes upward is an essential factor during the construction process. This study aims to p...
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Mourad Belhadj, Noureddine Lahbari, Abdelkader Slimane, Djamel Aouiche
Pág. 263 - 272
The aim of this work is to present a precise numerical calculus method capable to predict the behavior of a wind turbine mast, which is characterized by an open door in its lower part in order to facilitate the access to maintenance tasks. A parametric s...
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Mukesh Upadhyay, Ayeon Kim, Heehyang Kim, Dongjun Lim and Hankwon Lim
Accurate prediction of the hydrodynamic profile is important for circulating fluidized bed (CFB) reactor design and scale-up. Multiphase computational fluid dynamics (CFD) simulation with interphase momentum exchange is key to accurately predict the gas-...
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Cassandra Lafond and Pierre Blanchet
The energy efficiency of buildings is well documented. However, to improve standards of energy efficiency, the embodied energy of materials included in the envelope is also increasing. Natural fibers like wood and hemp are used to make low environmental ...
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