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基于時域多分辨分析方法的地閃雷電電磁脈沖計算 需要pdf 檢索報告 |
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Paulwolf
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感謝參與，應助指數(shù) +1
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Accession number: 20144200103367 Title: LEMP calculation of cloud-to-ground lightning based on multi-resolution time-domain method Authors: Jiang, Zhidong1 Email author jzd19851102@126.com; Zhou, Bihua1; Liu, Yawen1; Yang, Bo1 Author affiliation: 1 National Key Laboratory on Electromagnetic Environment and Electro-Optical Engineering, PLA University of Science and Technology, Nanjing; Jiangsu, China Corresponding author: Jiang, Zhidong Source title: Dianbo Kexue Xuebao/Chinese Journal of Radio Science Abbreviated source title: Dianbo Kexue Xuebao Volume: 29 Issue: 4 Issue date: August 1, 2014 Publication year: 2014 Pages: 653-657 Language: Chinese ISSN: 10050388 CODEN: DKEXFT Document type: Journal article (JA) Publisher: Chinese Research Institute of Radiowave Propagation Abstract: In order to improve the calculation efficiency of fields radiated by cloud-to-ground lightning return stroke, a multi-resolution time-domain (MRTD) method is proposed for cloud-to-ground lightning LEMP calculation. In 2-D cylindrical coordinates, scaling function of Daubechies wavelet is chosen for field expansion, and iterative formula of MRTD method is derivated. The PML absorbing boundary conditions is adopted to truncate the computational domain. LEMP of different distance off the lightning channel was calculated. The results obtained with the finite-difference time-domain method (FDTD) are compared with the MRTD method. Numerical simulation results show that the MRTD method and FDTD method are consistent in calculating LEMP fields. The MRTD method can significantly save both computational memory and CPU computation time with large gird mesh, as well as good numerical dispersion property. Copyright ©2014 by Editorial Department of Chinese Journal of Radio Science Number of references: 12 Main heading: Time domain analysis Controlled terms: Clouds - Computer simulation - Discrete wavelet transforms - Electromagnetic pulse - Finite difference time domain method - Iterative methods - Lightning - Numerical methods Uncontrolled terms: Absorbing boundary condition - Calculation efficiency - Cloud-to-ground lightning - Cylindrical coordinates - Finite difference time domains - Finite-difference time-domain (FDTD) methods - Lightning electromagnetic pulse - Resolution time Classification code: 443 Meteorology - 443.1 Atmospheric Properties - 701 Electricity and Magnetism - 701.1 Electricity: Basic Concepts and Phenomena - 723.5 Computer Applications - 921 Mathematics DOI: 10.13443/j.cjors.2013080101 Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc. |
2樓2015-06-02 17:21:49
Paulwolf
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專家經(jīng)驗: +178 - 應助: 317 (大學生)
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- 注冊: 2014-04-12
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★ ★ ★ ★ ★ ★ ★ ★ ★ ★
jzd19851102: 金幣+10, ★有幫助, 帖子貌似發(fā)了兩篇 暈啊 網(wǎng)絡不好 2015-06-02 20:14:31
心靜_依然: LS-EPI+1, 感謝應助 2015-06-02 20:33:02
jzd19851102: 金幣+10, ★有幫助, 帖子貌似發(fā)了兩篇 暈啊 網(wǎng)絡不好 2015-06-02 20:14:31
心靜_依然: LS-EPI+1, 感謝應助 2015-06-02 20:33:02
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