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Arjen P. Luijendijk, Matthieu A. de Schipper and Roshanka Ranasinghe
Thirty one percent (31%) of the world?s coastline consists of sandy beaches and dunes that form a natural defense protecting the hinterland from flooding. A common measure to mitigate erosion along sandy beaches is the implementation of sand nourishments...
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Daniel F. Ryan, Sophie Musset, Hamish A. S. Reid, Säm Krucker, Andrea F. Battaglia, Eric Bréelle, Claude Chapron, Hannah Collier, Joel Dahlin, Carsten Denker, Ewan Dickson, Peter T. Gallagher, Iain Hannah, Natasha L. S. Jeffrey, Jana Ka?parová, Eduard Kontar, Philippe Laurent, Shane A. Maloney, Paolo Massa, Anna Maria Massone, Tomasz Mrozek, Damien Pailot, Melody Pallu, Melissa Pesce-Rollins, Michele Piana, Illya Plotnikov, Alexis Rouillard, Albert Y. Shih, David Smith, Marek Steslicki, Muriel Z. Stiefel, Alexander Warmuth, Meetu Verma, Astrid Veronig, Nicole Vilmer, Christian Vocks and Anna Volparaadd Show full author list remove Hide full author list
Models of particle acceleration in solar eruptive events suggest that roughly equal energy may go into accelerating electrons and ions. However, while previous solar X-ray spectroscopic imagers have transformed our understanding of electron acceleration,...
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Sukjun Park and Nakhoon Baek
Recently, ray tracing techniques have been highly adopted to produce high quality images and animations. In this paper, we present our design and implementation of a real-time ray-traced rendering engine. We achieved real-time capability for triangle pri...
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Leander Grech, Gianluca Valentino and Diogo Alves
The betatron tune in the Large Hadron Collider (LHC) is measured using a Base-Band Tune (BBQ) system. The processing of these BBQ signals is often perturbed by 50 Hz noise harmonics present in the beam. This causes the tune measurement algorithm, current...
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Kira Duwe,Jakob Lüttgau,Georgiana Mania,Jannek Squar,Anna Fuchs,Michael Kuhn,Eugen Betke,Thomas Ludwig
Pág. 4 - 36
Research into data reduction techniques has gained popularity in recent years as storage capacity and performance become a growing concern. This survey paper provides an overview of leveraging points found in high-performance computing (HPC) systems and ...
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Alexander Loechel,Stephan Schmid
Pág. 43 - 73
The demand for digital maps on the Internet has increased considerably in the last few years. Therefore the performance of Web Mapping Services is becoming more and more important. This article introduces different caching techniques for high performance...
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Imed Ben Dhaou
The rising concerns about global warming have motivated the international community to take remedial actions to lower greenhouse gas emissions. The transportation sector is believed to be one of the largest air polluters. The quantity of greenhouse gas e...
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James B. Rosenzweig, Gerard Andonian, Ronald Agustsson, Petr M. Anisimov, Aurora Araujo, Fabio Bosco, Martina Carillo, Enrica Chiadroni, Luca Giannessi, Zhirong Huang, Atsushi Fukasawa, Dongsung Kim, Sergey Kutsaev, Gerard Lawler, Zenghai Li, Nathan Majernik, Pratik Manwani, Jared Maxson, Janwei Miao, Mauro Migliorati, Andrea Mostacci, Pietro Musumeci, Alex Murokh, Emilio Nanni, Sean O?Tool, Luigi Palumbo, River Robles, Yusuke Sakai, Evgenya I. Simakov, Madison Singleton, Bruno Spataro, Jingyi Tang, Sami Tantawi, Oliver Williams, Haoran Xu and Monika YadavaddShow full author listremoveHide full author list
Recently, considerable work has been directed at the development of an ultracompact X-ray free-electron laser (UCXFEL) based on emerging techniques in high-field cryogenic acceleration, with attendant dramatic improvements in electron beam brightness and...
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Yajun Zhu, Chengwen Zhong and Kun Xu
The gas-kinetic scheme (GKS) and the unified gas-kinetic scheme (UGKS) are numerical methods based on the gas-kinetic theory, which have been widely used in the numerical simulations of high-speed and non-equilibrium flows. Both methods employ a multisca...
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Mingxiang Cai, Mohammadreza Koopialipoor, Danial Jahed Armaghani and Binh Thai Pham
Assessing the behavior of earth dams under dynamic loads is one of the most significant problems with the design of such large structures. The purpose of this study is to provide new models for predicting dam dispersion in real earthquake conditions. In ...
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Ignacio Villalba Sanchis, Pablo Salvador Zuriaga
Pág. 226 - 233
Nowadays one of the main priorities for metro line operators is the reduction of energy consumption, due to the environmental impact and economic cost. In order to achieve this objective different strategies can be applied, normally focused into rolling ...
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Ahmed Mahfouz, Gabriella Gaias, D. M. K. K. Venkateswara Rao and Holger Voos
In this paper, the problem of autonomous optimal absolute orbit keeping for a satellite mission in Low Earth Orbit using electric propulsion is considered. The main peculiarity of the approach is to support small satellite missions in which the platform ...
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Ellie Newell and Sergio Maldonado
Due to the significant mismatch in timescales associated with morphological and hydrodynamic processes in coastal environments, modellers typically resort to various techniques for speeding up the bed evolution in morphodynamic simulations. In this paper...
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Elizabeth Vintzileou, Charalambos Mouzakis, Lucia Karapitta and Androniki Miltiadou-Fezans
Domes, vaults and arches are structural components of high vulnerability, due to the horizontal component of the thrust they impose to the supporting vertical elements (piers or walls), accentuated by the asymmetry of loading due to seismic actions. In o...
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Xuan Wang, Guoliang Chen, Mengyi Yang and Saizhou Jin
Currently, pedestrian dead reckoning (PDR) is widely used in indoor positioning. Since there are restrictions on a device?s pose in the procedure of using a smartphone to perform the PDR algorithm, this study proposes a novel heading estimation solution ...
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Kurt Polzin, Adam Martin, Justin Little, Curtis Promislow, Benjamin Jorns and Joshua Woods
An inductive pulsed plasma thruster (IPPT) operates by pulsing high current through an inductor, typically a coil of some type, producing an electromagnetic field that drives current in a plasma, accelerating it to high speed. The IPPT is electrodeless, ...
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Jessica Scifo, Augusto Marcelli, Bruno Spataro, Dariush Hampai, Sultan Dabagov, Stefano Sarti, Antonio Di Trolio, Riccardo Moscatelli, Salvatore Macis and Luigi Faillace
Large electric gradients are required for a variety of new applications, notably including the extreme high brightness electron sources for X-ray free electron lasers (FELs), radio-frequency (RF) photo-injectors, industrial and medical accelerators, and ...
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Lars Gottesbüren, Michael Hamann, Tim Niklas Uhl and Dorothea Wagner
Graph partitioning has many applications. We consider the acceleration of shortest path queries in road networks using Customizable Contraction Hierarchies (CCH). It is based on computing a nested dissection order by recursively dividing the road network...
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Francisco Alves Pereira, Fabio Di Felice and Francesco Salvatore
An experimental study is carried out in a cavitation tunnel on a propeller operating downstream of a non-uniform wake. The goal of this work is to establish quantitative correlations between the near pressure field and the cavitation pattern that takes p...
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Yongcun Cheng, Tal Ezer and Benjamin D. Hamlington
While global mean sea level rise (SLR) and acceleration (SLA) are indicators of climate change and are informative regarding the current state of the climate, assessments of regional and local SLR are essential for policy makers responding to, and prepar...
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