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Javad Enferadi, Mohammad Tavakolian
Pág. 107 - 114
Dynamics of a highly stiff parallel machine tool is the subject of this paper. High stiffness, good accuracy, relatively large workspace and free of singularities on the whole workspace makes the manipulator suitable for machining applications as an XY-T...
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Fahad Al-Otaibi, Hongliang Xiao, Abdallah S. Berrouk and Kyriaki Polychronopoulou
Replacing the conventionally used steam reforming of methane (SRM) with a process that has a smaller carbon footprint, such as dry reforming of methane (DRM), has been found to greatly improve the industry?s utilization of greenhouse gases (GHGs). In thi...
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Thanh Danh Nguyen, Olufemi E. Kadri, Vassilios I. Sikavitsas and Roman S. Voronov
Optimization of Scaffold Design and Flow Perfusion Culturing Conditions for Maximal Delivery of Oxygen to the Cells Embedded Deep Inside of Engineered Tissues.
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Andrea Cesari, Sabine Reißer and Giovanni Bussi
Molecular dynamics (MD) simulations allow the investigation of the structural dynamics of biomolecular systems with unrivaled time and space resolution. However, in order to compensate for the inaccuracies of the utilized empirical force fields, it is be...
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Tristan B. Guest and Alex E. Hay
On mixed sand?gravel beaches, impacts from gravel- and cobble-sized grains?mobilized by the energetic shorebreak?limit the utility of in situ instrumentation for measuring the small-scale response of the beach face on wave period time scales. We present ...
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Giordana Bucchioni and Mario Innocenti
The paper presents the development of a fully-safe, automatic rendezvous strategy between a passive vehicle and an active one orbiting around the Earth?Moon L2 Lagrangian point. This is one of the critical phases of future missions to permanently return ...
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Garam Ku, Cheolung Cheong, Ilryong Park and Hanshin Seol
In this study, the high-fidelity numerical methods are developed to investigate the tip vortex cavitation (TVC) inception and noise of underwater propellers, namely, Model-A and Model-B, which are designed to investigate the effects of sweep angle on cav...
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Bon-Ho Gu, Seung-Buhm Woo, Jae-Il Kwon, Sung-Hwan Park and Nam-Hoon Kim
This study presents a comprehensive analysis of contaminant transport in estuarine environments, focusing on the impact of tidal creeks and flats. The research employs advanced hydrodynamic models with irregular grid systems and conducts a detailed resid...
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Zhengqi Tai, Qian Chen, Xiaofei Niu, Zhenhua Lin and Hesen Yang
In order to explore plasma-assisted turbulent mixing in aerospace engines, the dielectric barrier discharge plasma actuation for the turbulent mixing of fuel droplets and oxidant air in a ramjet combustor was studied using computational fluid dynamics. A...
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Rui Tao, Hongxiang Ren and Yi Zhou
Under the current background of navigation education, students generally lack a comprehensive grasp of ship firefighting equipment?s operation. Therefore, we develop a novel ship firefighting training simulator with a multi-sensory human?computer interac...
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Jiajia Pan and Hung Tao Shen
A two-dimensional wave model coupled with ice dynamics is developed to evaluate ice effects on shallow water wave propagation on a beach and in a channel. The nonlinear Boussinesq equations with ice effects are derived and solved by the hybrid technique ...
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Guofang Nan, Sirui Yang and Dengliang Yu
When the dual rotor system of the aircraft engine is operating, the mass eccentricity of the power turbine rotor and the misalignment of the shaft coupling or the bearing will cause too large vibration of the rotor; this vibration leads to the rub-impact...
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Manigandan Paneer, Josip Ba?ic, Damir Sedlar, ?eljan Lozina, Nastia Degiuli and Chong Peng
This study investigates the impact of fluid loads on the elastic deformation and dynamic response of linear structures. A weakly coupled modal solver is presented, which involves the solution of a dynamic equation of motion with external loads. The mode ...
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Heng Liu and Veronica Eliasson
Geometrical shock dynamics (GSD) is a model capable of efficiently predicting the position, shape, and strength of a shock wave. Compared to the traditional Euler method that solves the inviscid Euler equations, GSD is a reduced-order model derived from ...
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Lele Chu, Bo Ai, Yubo Wen, Qingtong Shi, Huadong Ma and Wenjun Feng
The particle system is widely used in vector field feature visualization due to its dynamics and simulation. However, there are some defects of the vector field visualization method based on the Euler fields, such as unclear feature expression and discon...
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Luigi Mascolo and Lorenzo Casalino
Optimal low-thrust trajectories for the direct escape from the Earth?s sphere of influence, starting from Sun-Earth or Earth-Moon L2, are analyzed with an indirect optimization method. The dynamic model considers four-body gravitation and JPL ephemeris; ...
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Jung Min Sohn, Ji Woo Kim and Sang Ho Kim
There are many methods for crushing seabed rock such as a using a free-falling crusher, blasting, and chemical liquid expansion. Blasting and chemical liquid expansion can lead to environmental destruction, noise pollution, and civil complaints. Therefor...
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Junhao Zhang, Yinglong Chen, Yi Liu and Yongjun Gong
For decades, underwater vehicles have been performing underwater operations, which are critical to the development and upgrading of underwater robots. With the advancement of technology, various types of robots have been developed. The underwater robotic...
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Oleg A. Druzhinin and Wu-Ting Tsai
This paper presents an algorithm for numerical modeling of bubble dispersion occurring in the near-surface layer of the upper ocean under the action of non-breaking two-dimensional (2D) surface waves. The algorithm is based on a Eulerian-Lagrangian appro...
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Stefano Querin, Simone Cosoli, Riccardo Gerin, Célia Laurent, Vlado Malacic, Neva Pristov and Pierre-Marie Poulain
Although small in size, the Gulf of Trieste (GoT), a marginal coastal basin in the northern Adriatic Sea, is characterized by very complex dynamics and strong variability of its oceanographic conditions. In April?May 2012, a persistent, large-scale antic...
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