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Muhammad Yasar Razzaq, Joamin Gonzalez-Gutierrez, Gregory Mertz, David Ruch, Daniel F. Schmidt and Stephan Westermann
Four-dimensional (4D) printing technology, as a next-generation additive manufacturing method, enables printed objects to further change their shapes, functionalities, or properties upon exposure to external stimuli. The 4D printing of programmable and d...
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Chen Deng, Chengqi Cheng, Tengteng Qu, Shuang Li and Bo Chen
With the exponential increase in the volume of automatic dependent surveillance-broadcast (ADS-B), and other types of air traffic control (ATC) data containing spatiotemporal attributes, it remains uncertain how to respond to immediate ATC data access wi...
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Shumpei Kamo, Judith Rosenow, Hartmut Fricke and Manuel Soler
Aircraft trajectory planning is affected by various uncertainties. Among them, those in weather prediction have a large impact on the aircraft dynamics. Trajectory planning that assumes a deterministic weather scenario can cause significant performance d...
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Weili Zeng, Xiao Chu, Zhengfeng Xu, Yan Liu and Zhibin Quan
Aircraft four dimensional (4D, including longitude, latitude, altitude and time) trajectory prediction is a key technology for existing automation systems and the basis for future trajectory-based operations. This paper firstly summarizes the background ...
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Kawser Ahmed, Kouamana Bousson and Milca de Freitas Coelho
4D flight trajectory optimization is an essential component to improve flight efficiency and to enhance air traffic capacity. this technique not only helps to reduce the operational costs, but also helps to reduce the environmental impact caused by the a...
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Alessio Vitali, Manuela Battipede and Angelo Lerro
Aviation contribution to global warming and anthropogenic climate change is increasing every year. To reverse this trend, it is crucial to identify greener alternatives to current aviation technologies and paradigms. Research in aircraft operations can p...
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Vladimir Zalesny, Valeriy Agoshkov, Victor Shutyaev, Eugene Parmuzin and Natalia Zakharova
The technology is presented for modeling and prediction of marine hydrophysical fields based on the 4D variational data assimilation technique developed at the Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences (INM RAS). The technol...
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Abhijnan Datta, Johan Ninan, Shankar Sankaran
The literature on megaprojects are oriented towards ?knowing? the problems and ?knowing? the solutions, and there is a dearth in literature aimed at explaining strategies adopted in ?doing? or implementing that knowledge. Particularly, the literature hig...
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Abhijnan Datta, Johan Ninan, Shankar Sankaran
The literature on megaprojects are oriented towards ?knowing? the problems and ?knowing? the solutions, and there is a dearth in literature aimed at explaining strategies adopted in ?doing? or implementing that knowledge. Particularly, the literature hig...
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Jiaying Zhang, Liao-Fan Lin and Rafael L. Bras
Precipitation estimates from numerical weather prediction (NWP) models are uncertain. The uncertainties can be reduced by integrating precipitation observations into NWP models. This study assimilates Version 04 Integrated Multi-satellite Retrievals for ...
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Tanguy Robert, Claire Paulus, Pierre-Yves Bolly, Emma Koo Seen Lin and Thomas Hermans
Since salt cannot always be used as a geophysical tracer (because it may pollute the aquifer with the mass that is necessary to induce a geophysical contrast), and since in many contaminated aquifer salts (e.g., chloride) already constitute the main cont...
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Petros A. Daltzis, Christos K. Volos, Hector E. Nistazakis, Andreas D. Tsigopoulos and George S. Tombras
In this work, a 4D hyperchaotic hyperjerk system, with better results for its Lyapunov exponents and Kaplan?Yorke dimension regarding other systems of this family, as well as its circuit implementation, is presented. Hyperchaotic hyperjerk systems depict...
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Petros A. Daltzis, Christos K. Volos, Hector E. Nistazakis, Andreas D. Tsigopoulos and George S. Tombras
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Syed Monjur Murshed, Ayah Mohammad Al-Hyari, Jochen Wendel and Louise Ansart
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Yebin Zou, Yijin Chen, Jing He, Gehu Pang and Kaixuan Zhang
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Feng Wang, Wenwen Li and Sizhe Wang
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Feng Wang, Wenwen Li and Sizhe Wang
Arctic cyclone activity has a significant association with Arctic warming and Arctic ice decline. Cyclones in the North Pole are more complex and less developed than those in tropical regions. Identifying polar cyclones proves to be a task of greater com...
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Bernd Resch,Andreas Wichmann,Nicolas Göll
Pág. pp. 23 - 33
Even though advantages of 3D visualisation of multi-temporal geo-data versus 2D approaches have been widely proven, the particular pertaining challenge of real-time visualisation of geo-data in mobile Digital Earth applications has not been thoroughly ta...
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Grigorios Kostopoulos, Konstantinos Stamoulis, Vaios Lappas and Stelios K. Georgantzinos
This study explores the shape-morphing behavior of 4D-printed structures made from Polylactic Acid (PLA), a prominent bio-sourced shape-memory polymer. Focusing on the response of these structures to thermal stimuli, this research investigates how variou...
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Ryan Mendenhall and Babak Eslami
Four-dimensional printing is a process in which a 3D-printed object is intentionally transformed in response to an external stimulus such as temperature, which is useful when the final geometry of a 3D-printed part is not easily manufacturable. One metho...
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