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Araceli Peña-Fernández, Manuel A. Colón-Reynoso and Pilar Mazuela
Greenhouses are instrumental in the advancement of regions globally. The geometric arrangement of these structures plays a pivotal role in governing sunlight distribution, facilitating ventilation, and managing condensation. The roof?s shape significantl...
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Fajia Zheng, Bin Zhang, Yuqiong Zhao, Jiakun Li, Fei Long and Qibo Feng
Key errors of machine tools have a significant impact on their accuracy, however accurately and quickly measuring the geometric errors of machine tools is essential for key error identification. Fortunately, a quick and direct laser measurement method an...
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Cesare Patuelli, Enrico Cestino and Giacomo Frulla
Vibration analysis of wing-box structures is a crucial aspect of the aeronautic design to avoid aeroelastic effects during normal flight operations. The deformation of a wing structure can induce nonlinear couplings, causing a different dynamic behavior ...
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Xinyu Lang, Bifeng Song, Wenqing Yang, Xiaojun Yang and Dong Xue
The wing planform and flapping kinematics are critical for the hovering flight of flapping wing micro air vehicles (FWMAVs). The degree of influence of wing geometry and kinematic parameters on aerodynamic performance still lacks in-depth analysis. In th...
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Mingzhi Li, Xianjun Yu, Dejun Meng, Guangfeng An and Baojie Liu
Studies on the geometry variation-related compressor uncertainty quantification (UQ) have often used dimension reduction methods, such as the principal component analysis (PCA), for the modeling of deviations. However, in the PCA method, the main eigenmo...
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Ana Cudina Ivancev, Maja Ahac, Sa?a Ahac and Vesna Dragcevic
Roundabout design is an iterative process consisting of a preliminary geometry design, geometry performance checks, and the estimation of intersection functionality (based on the results of analytical or regression models). Since both roundabout geometry...
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Andréia S. de Barros, Cristiano Fragassa, Maycon da S. Paiva, Luiz A. O. Rocha, Bianca N. Machado, Liércio A. Isoldi, Mateus das N. Gomes and Elizaldo D. dos Santos
Studies regarding renewable energy sources have gained attention over recent years. One example is wave energy converters, which harvest energy from sea waves using different operational principles such as oscillating water columns, oscillating bodies, a...
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Haksu Lee, Haojing Shen and Dong-Jun Seo
This paper presents a comparative geometric analysis of the conditional bias (CB)-informed Kalman filter (KF) with the Kalman filter (KF) in the Euclidean space. The CB-informed KFs considered include the CB-penalized KF (CBPKF) and its ensemble extensio...
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Na Wu, Zhengzhao Liang, Yan Tao, Ting Ai and Guijie Li
The existence of fractures has a significant influence on the mechanical properties of a rock mass. The sensitivity of the rock mass?s mechanical properties to the fracture?s geometric parameters is conducive to improving the measurement accuracy of frac...
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Jonathan Hilger and Markus Raimund Ritter
The Pazy wing aeroelastic benchmark is a highly flexible wind tunnel model investigated in the Large Deflection Working Group as part of the Third Aeroelastic Prediction Workshop. Due to the design of the model, very large elastic deformations in the ord...
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Paul Schaechtl, Benjamin Schleich and Sandro Wartzack
Fused Deposition Modelling (FDM) enables the fabrication of entire non-assembly mechanisms within a single process step, making previously required assembly steps dispensable. Besides the advantages of FDM, the manufacturing of these mechanisms implies s...
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Gillo Giuliano, Andrea Corrado and Wilma Polini
This paper presents a geometric algorithm to evaluate the thickness distribution through finite element modelling (FEM) of a sheet obtained through a forming process.
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Zheng Wang, Xuesheng Zhao, Wenbin Sun, Fuli Luo, Yalu Li and Yuanzheng Duan
Although a Discrete Global Grid (DGG) is uniform in its initial subdivision, its geometric deformation increases with the level of subdivisions. The Goodchild Criteria are often used to evaluate the quality of DGGs. However, some indicators in these crit...
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Ubaldo Cella, Francesco Salvadore, Raffaele Ponzini and Marco Evangelos Biancolini
A procedure for the optimization of a catamaran?s sail plan able to provide a preliminary optimal appendages configuration is described. The method integrates a sail parametric CAD model, an automatic computational domain generator and a Velocity Predict...
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V. G. Ravlyuk,I. M. Afanasenko,M. G. Ravliuk
Pág. 99 - 118
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Sergio Benavent Nácher, Pedro Rosado Castellano, Fernando Romero Subirón and José V. Abellán-Nebot
Nowadays, the new era of industry 4.0 is forcing manufacturers to develop models and methods for managing the geometric variation of a final product in complex manufacturing environments, such as multistage manufacturing systems. The stream of variation ...
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Giuseppe Loprencipe, Laura Moretti, Antonio Pantuso and Eligio Banfi
In urban areas traffic-calming strategies and pedestrian friendly measures are often adopted to reduce the adverse impacts of motor vehicles on vulnerable users. This study surveyed 24 raised pedestrian crossings (RPCs) to examine their geometrical and f...
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Wanxiao Tang, Jun Zhao and Peibiao Zhao
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Kai Liu, Xi Zhang and YangQuan Chen
The separation of coal and gangue is an important process of the coal preparation technology. The conventional way of manual selection and separation of gangue from the raw coal can be replaced by computer vision technology. In the literature, research o...
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Michael Mair, Jonatan Zischg, Wolfgang Rauch and Robert Sitzenfrei
Urban water infrastructure, i.e., water supply and sewer networks, are underground structures, implying that detailed information on their location and features is not directly accessible, frequently erroneous, or missing. For public use, data is also no...
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