47   Artículos

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en línea
Jin Yan, Tiansheng Xu, Ni Li and Guanghong Gong    
We studied the numerical approximation problem of distortion in map projections. Most widely used differential methods calculate area distortion and maximum angular distortion using partial derivatives of forward equations of map projections. However, in... ver más
Revista: ISPRS International Journal of Geo-Information    Formato: Electrónico

 
en línea
Jawdat Akeel Mohammad Alebraheem     Pág. 1 - 5
Transport phenomenon is central for understanding many procedures in numerous sciences, transport phenomena can be described by the partial differential equation. Forward Time Centered Space scheme give ample numerical solutions of the transport equation... ver más
Revista: International Annals of Science    Formato: Electrónico

 
en línea
Marjan Dodic, Branimir Krstic, Bosko Rasuo, Mirko Dinulovic and Aleksandar Bengin    
This article addresses the numerical computation problem of induced inflow ratio based on the helicopter momentum theory in forward flight. The Glauert inflow formula (equation) is a nonlinear equation usually solved by the Newton?Raphson method in a rel... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Yuki Kishi, Risato Yashiro and Masahiro Kanazaki    
Forward-swept wings can be expected to be lower-boom planforms with similar amount of drag as backward-swept wings because of their good lift distributions. In this study, the equivalent area distribution of a ten-seater supersonic forward-swept wing air... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Knut Stamnes, Børge Hamre, Snorre Stamnes, Nan Chen, Yongzhen Fan, Wei Li, Zhenyi Lin and Jakob Stamnes    
A tutorial review is provided of forward and inverse radiative transfer in coupled atmosphere-snow/ice-water systems. The coupled system is assumed to consist of two adjacent horizontal slabs separated by an interface across which the refractive index ch... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Cai Lu and Chunlong Zhang    
Seismic velocity inversion is one of the most critical issues in the field of seismic exploration and has long been the focus of numerous experts and scholars. In recent years, the advancement of machine learning technologies has infused new vitality int... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Chun Wang, Yongchao Shao, You Zhang, Zhi Xin, Jian Chen, Weiguo Zhang and Fuzeng Yang    
In this study, a comb-type buckwheat-harvesting device was designed and tested for use in hilly areas and on small plots of buckwheat in China. The device uses semi-feeding and allows for threshing before cutting. Through the parametric design of the thr... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Steven Guan, Ko-Tsung Hsu and Parag V. Chitnis    
Simulation tools for photoacoustic wave propagation have played a key role in advancing photoacoustic imaging by providing quantitative and qualitative insights into parameters affecting image quality. Classical methods for numerically solving the photoa... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Ji Liang, Hongguang Jia, Mao-Sheng Chen, Ling-Bo Kong, Huiying Hu and Lihong Guo    
In this study, a dynamic model of a solar array drive system that includes a pair of flexible solar arrays with a central rigid shaft and a permanent-magnet synchronous motor (PMSM) was developed, and a disturbance compensation sliding mode control (DCSM... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Charles R. Ortloff    
High-speed fluid flows over roughened surfaces occur in many engineering applications; one important application involves high velocity water flows in pipelines with roughened interior walls where the wall roughness affects head loss estimates necessary ... ver más
Revista: Water    Formato: Electrónico

 
en línea
Zengyu Jia, Ruiqin Li, Yuan Wang, Juan Liu and Hailong Liang    
Lower limb movement disorders caused by various reasons are an important public health problem currently facing the world. To solve this problem, a novel spatial 8R mechanism with a stable structure and motion performance for human hip joint rehabilitati... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Milan Brankovic and Mark E. Everett    
Forward modeling plays a key role in both the creation of predictive models and the study of the surrounding environment through inversion methods. Due to their competitive computational cost and modest algorithmic complexity, finite difference methods (... ver más
Revista: Acoustics    Formato: Electrónico

 
en línea
Hualong Yan, Yuxin Zhao and Songbo Chen    
In this study, a one-dimensional variational algorithm that combines brightness temperatures (BTs), measured by ocean-based microwave radiometers (MWR), with reanalysis data was developed to generate high accuracy temperature profiles. A forward radiativ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Oskar Bschorr and Hans-Joachim Raida    
The method used to factorize the longitudinal wave equation has been known for many decades. Using this knowledge, the classical 2nd-order partial differential Equation (PDE) established by Cauchy has been split into two 1st-order PDEs, in alignment with... ver más
Revista: Acoustics    Formato: Electrónico

 
en línea
Oskar Bschorr and Hans-Joachim Raida    
The wave equations for longitudinal and transverse waves being used in seismic calculations are based on the classical force/moment balance. Mathematically, these equations are 2nd order partial differential equations (PDE) and contain two solutions with... ver más
Revista: Acoustics    Formato: Electrónico

 
en línea
Mahmoud Yasin,Lucía Porcu,Francisco Liébana-Cabanillas     Pág. 148 - 157
The aim of the present study is to analyze consumer intention to forward online company-generated content (CGC) from the retail banking sector via Facebook, the leading social network, based on a) the mediating effect of attitude to forwarding online CGC... ver más
Revista: International Review of Management and Marketing    Formato: Electrónico

 
en línea
Kostas Belibassakis, Julien Touboul, Elodie Laffitte and Vincent Rey    
Extended mild-slope models (MMSs) are examined for predicting the characteristics of normally incident waves propagating over sinusoidal bottom topography in the presence of opposing shearing currents. It is shown that MMSs are able to provide quite good... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Omar Kebiri, Lara Neureither and Carsten Hartmann    
We study linear-quadratic stochastic optimal control problems with bilinear state dependence where the underlying stochastic differential equation (SDE) has multiscale features. We show that, in the same way in which the underlying dynamics can be well a... ver más
Revista: Computation    Formato: Electrónico

 
en línea
Ninghu Su    
This paper presents solutions of the fractional partial differential equation (fPDE) for analysing water movement in soils. The fPDE explains processes equivalent to the concept of symmetrical fractional derivatives (SFDs) which have two components: the ... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Mikhail S. Malovichko,Nikolay E. Khokhlov,Nikolay B. Yavich,Michael S. Zhdanov     Pág. 74 - 78
We present a parallel algorithm for solution of the three-dimensional Helmholtz equation in the frequency domain by the method of volume integral equations. The algorithm is applied to seismic forward modeling. The method of integral equations reduces th... ver más
Revista: Supercomputing Frontiers and Innovations    Formato: Electrónico

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