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José D. Hoyos, Camilo Echavarría, Juan P. Alvarado, Gustavo Suárez, Juliana A. Niño and Jorge I. García
An aero-structural algorithm to optimize a flying wing in cruise conditions for preliminary design is developed using two-way interaction between the structure and aerodynamics. A particle swarm routine is employed to solve the multi-objective optimizati...
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Xiao Xiao, Fangping Xie, Zhouqiao Zhao, Dawei Liu and Xiushan Wang
In view of the low level of mechanized harvesting of white radish in China and other developing countries and the current situation of ?no machine can be used? due to the expensive imported machines, a self-propelled white radish combine harvester was de...
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Edmundas Petrauskas, Petras Rup?ys, Martynas Narmontas, Marius Aleinikovas, Lina Beniu?iene and Benas ?ilinskas
This study examines the performance of 11 tree taper models to predict the diameter of bark at any given height and the total stem volume of eight dominant tree species in the boreal forests of Lithuania. Here, we develop eight new models using stochasti...
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Orlando Riaño Melo, Iván Lizarazo
Pág. 55 - 62
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Jiayi Xie, Zhifeng Xie, Ming Zhou and Jun Qiu
The aerodynamic design of rotor blades is challenging, and is crucial for the development of helicopter technology. Previous aerodynamic optimizations that focused only on limited design points find it difficult to balance flight performance across the e...
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Francisco Rodríguez,Iñigo Lizarralde,Felipe Bravo
Pág. e034
Aim of study: A stem taper function and a compatible merchantable volume system are compared to evaluate which provides a better description of the stem profile for the main species in central Spain.Area of study: This research was carried out in the reg...
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Karel Ku?elka,Róbert Maru?ák
Pág. e008
Aim of study: To optimize an interpolation method and distribution of measured diameters to represent regular stem form of coniferous trees using a set of discrete points.Area of study: Central-Bohemian highlands, Czech Republic; a region that represents...
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Horacio Gilabert, Carlos Paci
Pág. 5 - 15
Volume-ratio and total volume models for Eucalyptus nitens and E. globulus grown in southern Chile were fitted independently. The validation process considered the bias and the total error in the volume estimates, as well as the age classes close to th...
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Benbrahim, M. Gavaland, A.
Pág. 377 - 383
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