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检索条件"主题词=numerical algorithm"
623 条 记 录,以下是591-600 订阅
排序:
Memory-dependent derivative versus fractional derivative (I): Difference in temporal modeling
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2021年 384卷 112923-112923页
作者: Wang, Jin-Liang Li, Hui-Feng Qingdao Univ Technol Coll Sci Res Inst ESMD Method & Its Applicat Qingdao 266520 Shandong Peoples R China
Since the memory-dependent derivative (MDD) was developed in 2011, it has become a new branch of Fractional Calculus which is still in the ascendant nowadays. How to understand MDD and fractional derivative (FD)? What... 详细信息
来源: 评论
A domain transformation technique in oxygen diffusion problems with moving oxidation fronts on unbounded domains
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INTERNATIONAL JOURNAL FOR numerical METHODS IN ENGINEERING 1998年 第2期42卷 361-384页
作者: Ding, ZH Lagoudas, DC Univ Nevada Dept Math Sci Las Vegas NV 89154 USA Texas A&M Univ Dept Aerosp Engn College Stn TX 77843 USA
In this paper we study numerical computations of oxygen diffusion problems with a moving oxidation front on unbounded domains of planar, cylindrical and spherical geometrical shapes. A new domain transformation techni... 详细信息
来源: 评论
Optical Mode Calculation in Large-Area Photonic Crystal Surface-Emitting Lasers
IEEE PHOTONICS JOURNAL
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IEEE PHOTONICS JOURNAL 2024年 第2期16卷 1页
作者: Radziunas, Mindaugas Kuhn, Eduard Wenzel, Hans King, Ben Crump, Paul Weierstr Inst WIAS D-10117 Berlin Germany Ferdinand Braun Inst FBH D-12489 Berlin Germany
We discuss algorithms and numerical challenges in constructing and resolving spectral problems for photonic crystal surface-emitting lasers (PCSELs) with photonic crystal layers and large (up to several tens of mm(2))... 详细信息
来源: 评论
Experimental Determination of the Elastic-Viscous Characteristics of Elastic Ropes
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Procedia Engineering 2015年 108卷 488-495页
作者: Peter Pavlov Daniel Evlogiev Universiry of Architecture Civil Engineering and Geodesy 1 Hr. Smirnenski Blvd Sofia 1046 Bulgaria
The conducted analytical, numerical and experimental studies for waiving of the elastic-viscous characteristics of elastic ropes are presented in the current report. The analytical studies are related to the creation ... 详细信息
来源: 评论
Fast Generation of Attractive Trajectories for a Deficient Satellite. Application to Feedback Control Design
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IFAC Proceedings Volumes 2001年 第13期34卷 693-698页
作者: Mazen Alamir Frédéric Boyer Laboratoire d'Automatique de Grenoble UMR 5528 CNRS-INPG-UJF Saint Martin d'Hères France Fax: 04 76 82 63 88 IRCCYN 1 rue de la Noë BP 92 101 44321 Nantes Cedex 3
An algorithm is proposed that enables fast generation of a trajectory that brings the state of a deficient satellite from a given initial position to the neighborhood of a final desired one. The proposed algorithm is ... 详细信息
来源: 评论
Kinematics of Articulated Planar Linkages
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FRONTIERS IN MECHANICAL ENGINEERING-SWITZERLAND 2021年 7卷
作者: Zhao, Jing-Shan Wei, Song-Tao Tsinghua Univ Dept Mech Engn State Key Lab Tribol Beijing Peoples R China
This paper proposes a kinematics algorithm in screw coordinates for articulated linkages. As the screw consists of velocity and position variables of a joint, the solutions of the forward and inverse velocities are th... 详细信息
来源: 评论
Nonlinear vibrations of fluid transporting pipelines on a viscoelastic foundation
MAGAZINE OF CIVIL ENGINEERING
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MAGAZINE OF CIVIL ENGINEERING 2019年 第2期86卷 30-45页
作者: Khudayarov, B. A. Turaev, F. Z. Tashkent Inst Irrigat & Agr Mechanizat Engineers Tashkent Uzbekistan
The article presents the results of a study of vibration process in pipelines conveying fluid or gas. A mathematical model pipeline was used in the form of cylindrical shell and a viscoelastic foundation in the form o... 详细信息
来源: 评论
A micromechanics-based fractional frictional damage model for quasi-brittle rocks
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COMPUTERS AND GEOTECHNICS 2021年 139卷 104391-104391页
作者: Qu, Peng-Fei Zhu, Qi-Zhi Zhao, Lun-Yang Cao, Ya-Jun Hohai Univ Key Lab Minist Educ Geomech & Embankment Engn Nanjing 210098 Peoples R China Hohai Univ Coll Civil & Transportat Engn Nanjing 210098 Peoples R China South China Univ Technol Sch Civil Engn & Transportat South China Res Inst Geotech Engn Guangzhou 510641 Peoples R China
For quasi-brittle rocks, a novel micromechanics-based fractional friction-damage coupling model is presented by combining the fractional plasticity theory and the micromechanical formulations for cracked solids. The p... 详细信息
来源: 评论
Application of a New Semi-Automatic algorithm for the Detection of Subsidence Areas in SAR Images on the Example of the Upper Silesian Coal Basin
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ENERGIES 2021年 第11期14卷 3051页
作者: Dwornik, Maciej Bala, Justyna Franczyk, Anna AGH Univ Sci & Technol Dept Geoinformat & Appl Comp Sci Al Mickiewicza 30 PL-30059 Krakow Poland
The article presents a new method of automatic detection of subsidence troughs caused by underground coal mining. Land subsidence that results from mining leads to considerable damage to subsurface and surface infrast... 详细信息
来源: 评论
The Dissection algorithm for the Second-Born Self-Energy
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PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 2019年 第7期256卷 1800573-1800573页
作者: Perfetto, Enrico Stefanucci, Gianluca CNR ISM Div Ultrafast Proc Mat FLASHit Area Ric Roma 1 Monterotondo Italy Univ Roma Tor Vergata Dipartimento Fis Via Ricerca Sci I-00133 Rome Italy INFN Sez Roma Tor Vergata Via Ric Sci 1 I-00133 Rome Italy
Here, an algorithm to efficiently compute the second-Born self-energy of many-body perturbation theory is described. The core idea consists in dissecting the set of all four-index Coulomb integrals into properly chose... 详细信息
来源: 评论