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Jun Huang and Yidong Zeng
This paper presents a fast trajectory optimization method combining the hp-Legendre pseudospectral method and convex optimization for the 6-Degree-of-Freedom rocket-powered landing problem. To accelerate calculations, this paper combines the Legendre pse...
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Shunichi Mukae, Takeshi Okuzono and Kimihiro Sakagami
Partition of unity finite element method with plane wave enrichment (PW-FEM) uses a shape function with a set of plane waves propagating in various directions. For room acoustic simulations in a frequency domain, PW-FEM can be an efficient wave-based pre...
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Yan Zeng, Hong Zheng and Chunguang Li
Traditional methods such as the finite difference method, the finite element method, and the finite volume method are all based on continuous interpolation. In general, if discontinuity occurred, the calculation result would show low accuracy and poor st...
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Andrii Voitik,Vasyl Kravchenko,Ruslan Oliadnichuk,Olexandr Pushka,Serhii Kiurchev,Oleg Ivanov,Ruslan Kharak,Oleksii Nazarenko
Pág. 26 - 32
The paper addresses the operation of a cylindrical brush with elastic rods of bristles at the disclosure of the root system of maternal plants. It has been established that the basic components of the resistance force in the operation of a given brush is...
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Jared A. Cook, Ralph C. Smith, Jason M. Hite, Razvan Stefanescu and John Mattingly
Surrogate models are increasingly required for applications in which first-principles simulation models are prohibitively expensive to employ for uncertainty analysis, design, or control. They can also be used to approximate models whose discontinuous de...
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Wen Zhao, Peng-jiao Jia, Lin Zhu, Cheng Cheng, Jianyong Han, Yang Chen and Zhi-guo Wang
Double-O-tube shield tunneling has attracted increasing attention because it offers cost-efficiency in underground construction. Prediction of ground surface settlement and the variety of additional stresses induced by shield construction is crucial to u...
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J. L. Romero,M. A. Ortega,E. M. López,O. Río
Pág. e029
En este trabajo se introducen, en el contexto del Método de Elementos Finitos, dos alternativas posibles en relación con el concepto de acción repartida equivalente. La primera consiste en emplear pocos elementos, elevando el orden de dicha acción, mient...
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ISMAEL PÉREZ-GARCÍA
This study explores the zonal flow in the form of Legendre polynomials. The basic flow is divided into a zonally symmetric flow and a Rossby-Haurwitz (RH) wave. Several features of this (more realistic) zonal flow make it particularly interesting, such a...
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Bertrand Legendre
Pág. Pág. 01 - 03
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Bertrand Legendre
Pág. Pág. 25 - 31
El propósito de esta intervención es abordar el tema de las condiciones en que se articulan tres nociones: concentración, independencia y diversidad editorial. Partiendo de una parte de la comunidad profesional, así como ciertos discursos de los medios, ...
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