|
|
|
|
|
Gorazd Novak, Angelantonio Tafuni, José M. Domínguez, Matja? Cetina and Du?an ?agar
Fishways have a great ecological importance as they help mitigate the interruptions of fish migration routes. In the present work, the novel DualSPHysics v4.4 solver, based on the smoothed particle hydrodynamics method (SPH), has been applied to perform ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zijian Yu, Dan Wang and Xingnian Liu
Research of interactions between in-channel vegetation and flow structure is important for the restoration of aquatic ecosystems. This study aims to investigate the impact of the vegetation patch density on the wake structure. We used uniform fiberglass ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seung Oh Lee and Seung Ho Hong
Bridge pier scour is one of the main causes of bridge failure and a major factor that contributes to the total construction and maintenance costs of bridge. Recently, because of unexpected high water during extreme hydrologic events, the resilience and s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michael Mayerhofer, Stefan Brenner, Michael Doppler, Luis Catarino, Stefanie Girst, Vesna Nedeljkovic-Groha and Günther Dollinger
The enormous potential of additive manufacturing (AM), particularly laser powder bed fusion (L-PBF), to produce radiofrequency cavities (cavities) has already been demonstrated. However, the required geometrical accuracy for GHz TM010" role="presentation...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jingbei Sun, Huimin Li, Wenming Lin and Yijun He
Spaceborne synthetic aperture radar (SAR) has been proven to be a useful technique for observing the sea surface wind and current over the open ocean given its all-weather data-gathering capability and high spatial resolution. In addition to the commonly...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chenglei Lv, Qiushi Sun, Huifang Chen and Lei Xie
Due to the relative motion between transmitters and receivers and the multipath characteristic of wideband underwater acoustic channels, Doppler and channel estimations are of great significance for an underwater acoustic (UWA) communication system. In t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alessandro Capone, Francisco Alves Pereira and Fabio Di Felice
The design of super-cavitating propellers takes advantage of the development of air cavities on the blades? surface to reduce drag and, ultimately, increase efficiency. The mechanism of flow modification induced by the development of a cavity on the prop...
ver más
|
|
|
|
|
|
|
|
|
|
|
Antonio Angrisano, Giovanni Cappello, Salvatore Gaglione and Ciro Gioia
Velocity estimation has a key role in several applications; for instance, velocity estimation in navigation or in mobile mapping systems and GNSSs is currently a common way to achieve reliable and accurate velocity. Two approaches are mainly used to obta...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruihang Zhang, Jiayan Yang, Mu Jia, Tingting Zhang and Yachuan Bao
Wireless localization and target sensing both rely on precise extraction of parameters such as signal amplitude, propagation delay, and Doppler shift from the received signals. Due to the high multi-path resolution and strong penetration, both localizati...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lin Zhang, Yanbin Gao and Lianwu Guan
For seabed mapping, the prevalence of autonomous underwater vehicles (AUVs) employing side-scan sonar (SSS) necessitates robust navigation solutions. However, the positioning errors of traditional strapdown inertial navigation system (SINS) and Doppler v...
ver más
|
|
|
|
|
|