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Balavignesh Vemparala, Wadi H. Imseeh, Salil Pai, Anand Nagarajan, Timothy Truster and Soheil Soghrati
A new algorithm named PolyCISAMR is introduced to automatically generate high-fidelity conforming finite element (FE) meshes for two-dimensional polycrystalline microstructures. PolyCISAMR extends the capabilities of the Conforming to Interface Structure...
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Andry Sedelnikov, Evgenii Kurkin, Jose Gabriel Quijada-Pioquinto, Oleg Lukyanov, Dmitrii Nazarov, Vladislava Chertykovtseva, Ekaterina Kurkina and Van Hung Hoang
This paper describes the development of a methodology for air propeller optimization using Bezier curves to describe blade geometry. The proposed approach allows for more flexibility in setting the propeller shape, for example, using a variable airfoil o...
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Zhaohui Yao, Yuanzhao Guo, Jun Niu, Zhiguang Jin, Tianhao Yu, Baojun Guo, Wenhao Pu, Xin Wei, Feng Jin, Bo Li and Mengying Liu
A model of a NUAA-PTRE pre-cooled air turbine engine was established. The design point parameters of the engine were optimized, including the pressure ratio, air flow rate of the compressor, efficiency, throat area, and efficiency of the turbine. The air...
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Szabolcs Fischer, Nándor Liegner, Péter Bocz, Ákos Vinkó and György Terdik
This paper deals with the time-frequency characteristic analysis for track geometry irregularities using field data recorded by a comprehensive track inspection train. The parameters of the track gauge and the left and right rail alignment are considered...
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Weijie Li, Changxia Liang, Fan Yang, Bo Ai, Qingtong Shi and Guannan Lv
There are some limitations in traditional ocean scalar field visualization methods, such as inaccurate expression and low efficiency in the three-dimensional digital Earth environment. This paper presents a spherical volume-rendering method based on adap...
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Lingquan Cheng, Yiyang Li, Jiayi Yuan, Jianliang Ai and Yiqun Dong
Morphing aircraft are able to keep optimal performance in diverse flight conditions. However, the change in geometry always leads to challenges in the design of flight controllers. In this paper, a new method for designing a flight controller for variabl...
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Estela Barroso-Barderas, Ángel Antonio Rodríguez-Sevillano, Rafael Bardera-Mora, Javier Crespo-Moreno and Juan Carlos Matías-García
This research focuses on the development of two bioinspired micro air vehicle (MAV) prototypes, based on morphing wings and wing grid wingtip devices. The morphing wings MAV tries to adapt the aerodynamics of the vehicle to each phase of flight by modify...
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José Jiménez-Varona, Gabriel Liaño, José L. Castillo and Pedro L. García-Ybarra
The flow at low Mach numbers and high angles of attack over axisymmetric configurations is not symmetric. The mechanism that triggers the asymmetry is a combination of a global (temporal) instability and a convective (spatial) instability. This latter in...
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Kejia Huang, Chenliang Wang, Runying Liu and Guoxiong Chen
High-performance spatial target snapping is an essential function in 3D scene modeling and mapping that is widely used in mobile augmented reality (MAR). Spatial data snapping in a MAR system must be quick and accurate, while real-time human?computer int...
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Florin Nenciu, Marius Remus Oprescu and Sorin-Stefan Biris
Water is the primary limiting factor in dryland crop production, therefore emerging approaches for preserving rainwater to be more accessible to plants, for extended periods of time, can significantly improve agricultural system efficiency. Furrow diking...
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