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Mihai Crengani?, Radu-Eugen Breaz, Sever-Gabriel Racz, Claudia-Emilia Gîrjob, Cristina-Maria Biri?, Adrian Maro?an and Alexandru Bârsan
This scientific paper presents the development and validation process of a dynamic model in Simulink used for decision-making regarding the locomotion and driving type of autonomous omnidirectional mobile platforms. Unlike traditional approaches relying ...
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Yuangui Zhang and Bangrang Di
The study of fractures in the subsurface is very important in unconventional reservoirs since they are the main conduits for hydrocarbon flow. For this reason, a variety of equivalent medium theories have been proposed for the estimation of fracture and ...
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Francesca Aureli, Andrea Maranzoni, Gabriella Petaccia and Sandra Soares-Frazão
Laboratory experiments of dam-break flows are extensively used in investigations of geophysical flows involving flood waves, to provide insight into relevant aspects of the physics of the process and collect experimental data for validating numerical mod...
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Ana-Maria Chirosca, Antonio Medina, Florin Pacuraru, Simone Saettone, Liliana Rusu and Sandita Pacuraru
Reducing the added resistance in waves has become a crucial aspect of today?s ship design. The added resistance in waves is traditionally considered proportional to the square of wave height. However, this assumption is believed to be only partly valid, ...
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Marco Fontana, Giuseppe Giorgi, Massimiliano Accardi, Ermanno Giorcelli, Stefano Brizzolara and Sergej Antonello Sirigu
In this investigation, a comprehensive study was conducted on a U-shaped sloshing tank, based on reversing the classical treatment of such devices as motion stabilizers and using them instead to improve the performance of wave energy converters. The mode...
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Edwin Joseph Munoz Lopez, Alexander Hergt, Till Ockenfels, Sebastian Grund and Volker Gümmer
The successful design of compressor blades through numerical optimization relies on accurate CFD-RANS solvers that are able to capture the general performance of a given design candidate. However, this is a difficult task to achieve in transonic flow con...
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Fan Yang, Zhongbin Li, Jianguo Fu, Yuting Lv, Qingwei Ji and Hongfu Jian
The internal flow in a vertical axial-flow pump is a complex unsteady three-dimensional viscous flow. An unstable flow often produces complex flow phenomena such as flow separation, vortices, and secondary reflux, which reduces the operating efficiency o...
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Xiaofei Du, Chaoyong Zong, Bo Zhang and Maolin Shi
AUV docking devices have the ability to achieve homing of the AUV, supply the AUV with energy, and exchange data with it, thus improving the endurance and ensuring the continuous long-term and large-scale operation of the AUV. To improve the successful d...
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Xiaoming Wang, Xinhan Hu, Chengbin Huang and Wenya Zhou
The mission performance of future advanced aerospace structures can be synthetically improved via active shape control utilizing piezoelectric materials. Multiple work modes are required. Bending/twisting mode control receives special attention for many ...
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Rui Zhou, Weicheng Gao, Wei Liu and Jianxun Xu
With advantages in efficiency and convenience, analytical models using experimental inputs to predict the mechanical properties of plain-woven fabric (PWF) composites are reliable in guaranteeing the composites? engineering applications. Considering the ...
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Haigang Tian, Tianyi Hao, Chao Liu, Han Cao and Xiaobiao Shan
Current wind tunnels possess a large space volume and high manufacturing cost, which are not suitable for investigating micro energy harvesters. This paper aims to design and fabricate a small, portable and low-speed wind tunnel for energy harvesting. A ...
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Mohammad Nasim Imtiaz Khan, Shivam Bhasin, Bo Liu, Alex Yuan, Anupam Chattopadhyay and Swaroop Ghosh
Emerging Non-Volatile Memories (NVMs) such as Magnetic RAM (MRAM), Spin-Transfer Torque RAM (STTRAM), Phase Change Memory (PCM) and Resistive RAM (RRAM) are very promising due to their low (static) power operation, high scalability and high performance. ...
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Kaylyn S. Gootman, Elliott Kellner and Jason A. Hubbart
Saturated hydraulic conductivity (Ksat) is fundamental to shallow groundwater processes. There is an ongoing need for observed and model validated Ksat values. A study was initiated in a representative catchment of the Chesapeake Bay Watershed in the Nor...
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Byung C. Jung, Yun-Ho Shin, Sang Hyuk Lee, Young Cheol Huh and Hyunseok Oh
For model verification and validation (V & V) in computational mechanics, a hypothesis test for the validity check (HTVC) is useful, in particular, with a limited number of experimental data. However, HTVC does not address how type I and II errors ca...
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Daniela Quiñones, Cristian Rusu, Diego Arancibia, Sebastián González and María Josée Saavedra
With the growth and overcrowding of the internet, the use of online social networks has been increasing. Currently, social networks are used by a wide variety of users?with different objectives and in different contexts of use?, so it is essential to des...
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Adel Almoslh, Falah Alobaid, Christian Heinze and Bernd Epple
The influence of pressure on the gas/liquid interfacial area is investigated in the pressure range of 0.2?0.3 MPa by using a tray column test rig. A simulated waste gas, which consisted of 30% CO2 and 70% air, was used in this study. Distilled water was ...
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Weixi Zhang, Wouter De Corte, Xian Liu and Luc Taerwe
(1) In quasi-rectangular tunnels, a new type of special-section shield tunnels, the effect of nonlinear joint behavior is much more important than in circular tunnels. (2) An iterative nonlinear spring-beam model for the prediction of lining deformations...
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Jinwon Shin, Jineung Lee, Yongjae Lee and Byungyun Kim
This paper presents an experimental and numerical study to investigate the structural performance of a steel deck-plate system bolted with truss girder. This system has been proposed herein to resolve the issues caused by welding. Structural tests for si...
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Thomas Wüest, Philipp Schuetz and Andreas Luible
The experimental setup implements a simplified PASSYS test cell construction, which is combined with a detailed simulation to reduce measurement effort. To analyze the cell?s dynamic behavior, the test cell was closely monitored with thermal sensors, and...
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Andi Trimulyono, Hirotada Hashimoto and Akihiko Matsuda
This study aimed to validate the single-phase and two-phase smoothed particle hydrodynamics (SPH) on sloshing in a tank. There have been many studies on sloshing in tanks based on meshless particle methods, but few researchers have used a large number of...
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