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检索条件"主题词=numerical algorithm"
615 条 记 录,以下是311-320 订阅
Sparse PDE for SAR image speckle suppression
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IET IMAGE PROCESSING 2017年 第6期11卷 425-432页
作者: Wang, Zelong Tan, Xintong Yu, Qi Zhu, Jubo Natl Univ Def Technol Coll Sci Changsha Hunan Peoples R China
Speckle suppression is extremely important for understanding and utilising synthetic aperture radar (SAR) images, while the emphasis of the traditional methods for speckle suppression is usually focused on removing th... 详细信息
来源: 评论
An analytic approach for optimal coordination of overcurrent relays
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IET GENERATION TRANSMISSION & DISTRIBUTION 2013年 第7期7卷 674-680页
作者: Mahari, Arash Seyedi, Heresh Univ Tabriz Fac Elect & Comp Engn Tabriz Iran
This study presents a new analytic approach to optimal coordination of directional overcurrent relays. This approach is based on the selection of optimum pickup current and time dial setting, in order to obtain minimu... 详细信息
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Determination of the relaxation modulus of a linearly viscoelastic material
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MECHANICS OF TIME-DEPENDENT MATERIALS 2006年 第2期10卷 125-133页
作者: Sorvari, Joonas Malinen, Matti Univ Kuopio Dept Phys FIN-70211 Kuopio Finland
In this paper, a numerical method for computing the relaxation modulus of a linearly viscoelastic material is presented. The method is valid for relaxation tests where a constant strain rate is followed by a constant ... 详细信息
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Non-fourier heat conduction modeling in a finite medium
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INTERNATIONAL JOURNAL OF THERMOPHYSICS 2004年 第4期25卷 1261-1268页
作者: Gembarovic, J Gembarovic, J TPRL Inc W Lafayette IN 47906 USA
A novel, simple iterative algorithm is used to calculate the temperature distribution in a finite medium for the case of non-Fourier (hyperbolic) heat conduction. In this algorithm the temperature is calculated explic... 详细信息
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Research on eddy current losses algorithm in solid rotor of high speed squirrel cage induction motor
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IET ELECTRIC POWER APPLICATIONS 2020年 第6期14卷 1023-1029页
作者: Chou, Weixiang Liang, Yanping Gao, Lianlian Wang, Dongmei Harbin Univ Sci & Technol Coll Elect & Elect Engn Harbin Peoples R China
Aiming at the shortcomings of the analytical algorithm and numerical algorithm for calculating the eddy current losses in the solid rotor of high speed squirrel cage induction motor, this study proposes a semi-analyti... 详细信息
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Variational assimilation with covariance matrices of observation data errors for the model of the Baltic Sea dynamics
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RUSSIAN JOURNAL OF numerical ANALYSIS AND MATHEMATICAL MODELLING 2018年 第3期33卷 149-160页
作者: Agoshkov, Valery I. Parmuzin, Eugene I. Zakharova, Natalia B. Shutyaev, Victor P. RAS Inst Numer Math Moscow 119333 Russia Moscow Inst Phys & Technol Dolgoprudnyi 141701 Moscow Region Russia
The mathematical model of the Baltic Sea dynamics developed at the Institute of numerical Mathematics of RAS is considered. The problem of variational assimilation of average daily data for the sea surface temperature... 详细信息
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From Gauss-Newton method solving nonlinear least squares problem of static overdetermined system to multi-instant neurodynamic algorithms handling future time-variant situation
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NONLINEAR DYNAMICS 2024年 第20期112卷 18163-18193页
作者: Wu, Dongqing Zhang, Yunong Zhongkai Univ Agr & Engn Sch Math & Data Sci Guangzhou 510225 Peoples R China Sun Yat Sen Univ Sch Comp Sci & Engn Guangzhou 510006 Peoples R China Sun Yat Sen Univ Shenzhen Res Inst Shenzhen 518057 Peoples R China
Gauss-Newton method is mainly designed and exploited to solve the nonlinear least squares problems of static overdetermined systems with order-2 precision. When the system comes to the future time-variant situation, t... 详细信息
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A comparison of DHW algorithm for temperature distribution calculation with Fourier's algorithm for transmission of heat between discrete bodies
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INTERNATIONAL JOURNAL OF THERMOPHYSICS 2007年 第3期28卷 891-905页
作者: Gembarovic, Jozef Gembarovic, Jozef, Jr. TPRL Inc W Lafayette IN 47906 USA Purdue Univ Coll Technol W Lafayette IN 47906 USA
In this article, our damped-heat wave (DHW) algorithm for the calculation of temperature distribution in a homogeneous finite medium is compared with Fourier's algorithm for transmission of heat between discrete b... 详细信息
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Robust characteristics method for modelling multiphase visco-elasto-plastic thermo-mechanical problems
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PHYSICS OF THE EARTH AND PLANETARY INTERIORS 2007年 第1-4期163卷 83-105页
作者: Gerya, Taras V. Yuen, David A. ETH Swiss Fed Inst Technol Inst Geophys Dept GeosciGeophys Fluid Grp CH-8093 Zurich Switzerland Univ Minnesota Dept Geol & Geophys Minnesota Supercomp Inst Minneapolis MN 55455 USA
We have extended our previous 2D method [Gerya, T.V., Yuen, D.A., 2003. Characteristics-based marker-in-cell method with conservative finite-differences schemes for modeling geological flows with strongly variable tra... 详细信息
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A Hybrid Adaptive Phase Space Method for Reflection Traveltime Tomography
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SIAM JOURNAL ON IMAGING SCIENCES 2019年 第1期12卷 28-53页
作者: Zhao, Hongkai Zhong, Yimin Univ Calif Irvine Dept Math Irvine CA 92697 USA
We present a hybrid imaging method for a challenging traveltime tomography problem which includes both unknown medium and unknown scatterers in a bounded domain. The goal is to recover both the medium and the boundary... 详细信息
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