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请帮忙查询ei检索
请帮忙查一下下面两篇文章EI检索号.
1.Three-dimension magnetotellurics modeling by adaptive edge finite-element using unstructured meshes.
2.3-D Magnetotelluric adaptive finite-element modeling
请帮忙查一下下面两篇文章EI检索号.
1.Three-dimension magnetotellurics modeling by adaptive edge finite-element using unstructured meshes.
2.3-D Magnetotelluric adaptive finite-element modeling
1. Accession number: 20105013489367
Title: Three-dimension magnetotellurics modeling by adaptive edge finite-element using unstructured meshes
Authors: Liu, Chang-Sheng1, 2 ; Tang, Jing-Tian1 ; Ren, Zheng-Yong1, 3 ; Feng, De-Shan1
Author affiliation: 1 School of Info-physics and Geometrics Engineering, Central South University, Changsha 410083, China
2 Department of Computer Science, Changsha Aeronautical Vocational and Technical College, Changsha 410014, China
3 Institute of Geophysics, ETH-Swiss Federal Institute of Technology, Zurich CH8092, Switzerland
Corresponding author: Feng, D.-S. (fengdeshan@126.com)
Source title: Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)
Abbreviated source title: Zhongnan Daxue Xuebao (Ziran Kexue Ban)
Volume: 41
Issue: 5
Issue date: October 2010
Publication year: 2010
Pages: 1855-1859
Language: Chinese
ISSN: 16727207
CODEN: ZDXZAC
Document type: Journal article (JA)
Publisher: Central South University of Technology, Hunan, Changsha, 410083, China
Abstract: Based on unstructured grid which can simulate complex geoelectric models, the vector edge-based finite-elements were proposed. An adaptive finite element three-dimensional magnetotelluric modeling algorithm was introduced. The procedures are as follows: Element errors was estimated by a residual-based posteriori error on the coarse grid, and then elements with high error indicators were refined to generate a new grid. A new finite-element numerical processes were repeated on this new mesh to obtain more accurate and reliable numerical results. The iterative process was terminated until the accuracy of results on the final mesh became a required one. The COMMEMI 3D-1 model was tested to verify the correctness of the algorithm. The results show that for a complex three-dimensional electromagnetic model of the earth, using the adaptive mesh refinement and iterative solution procedure, the algorithm can generate iterative numerical results with high reliability.
Number of references: 23
Main heading: Finite element method
Controlled terms: Algorithms - Mesh generation - Three dimensional - Three dimensional computer graphics
Uncontrolled terms: H-adaptive finite element method - Magnetotellurics - Residual based error estimation - Unstructured meshes - Vector finite element method
Classification code: 723 Computer Software, Data Handling and Applications - 921 Mathematics
Database: Compendex
2. Accession number: 20104913447957
Title: 3-D magnetotelluric adaptive finite-element modeling
Authors: Liu, Changsheng1, 2 ; Yu, Yan3 ; Ren, Zhengyong1, 4 ; Wu, Qi1
Author affiliation: 1 School of Info-physics and Geometrics Engineering, Central South University, Changsha 410083, China
2 Changsha Aeronautical Vocational and Technical College, Changsha 410014, China
3 School of Civil Engineering and Construction, Wuhan University of Technology, Wuhan 430070, China
4 Institute of Geophysics, ETH-Swiss Federal Institute of Technology, Zurich, Switzerland
Corresponding author: Liu, C. (lcs888_2002@163.com)
Source title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Abbreviated source title: Lect. Notes Comput. Sci.
Volume: 6382 LNCS
Issue: M4D
Monograph title: Advances in Computation and Intelligence - 5th International Symposium, ISICA 2010, Proceedings
Issue date: 2010
Publication year: 2010
Pages: 465-473
Language: English
ISSN: 03029743
E-ISSN: 16113349
ISBN-10: 3642164927
ISBN-13: 9783642164927
Document type: Conference article (CA)
Conference name: 5th International Symposium on Advances in Computation and Intelligence, ISICA 2010
Conference date: October 22, 2010 - October 24, 2010
Conference location: Wuhan, China
Conference code: 82748
Sponsor: China University of Geosciences
Publisher: Springer Verlag, Tiergartenstrasse 17, Heidelberg, D-69121, Germany
Abstract: Aiming at three principal problems existing in traditional node-based finite-element method when modeling MT problems, this paper proposed an adaptive vector-based finite-element method with unstructured mesh. On the basis of 3-D finite-element formulae, it introduces a residual-based posteriori error estimator. Then, it presents the adaptive refinement strategy and computation flow. The test of a homogenous earth model and two anomalies with high resistivity model show that the numerical solutions enable the convergence to the exact results with a maximal average error less than a percentage value of 1%. Thus, it can be concluded that the h-adaptive vector finite-element method can guarantee the accuracy and efficiency of complicated models, through which its great potential is displayed. © 2010 Springer-Verlag Berlin Heidelberg.
Number of references: 15
Main heading: Finite element method
Controlled terms: Convergence of numerical methods - Three dimensional - Vectors
Uncontrolled terms: Adaptive refinement strategy - Average errors - Computation flow - Earth models - Exact results - Finite element modeling - Finite-element - H-adaptive - High resistivity - Magnetotellurics - Node-based - Numerical solution - Posteriori error estimator - Residual-based error estimate - Unstructured mesh - Unstructured meshes - Vector-based
Classification code: 902.1 Engineering Graphics - 921.1 Algebra - 921.6 Numerical Methods
DOI: 10.1007/978-3-642-16493-4_47
Database: Compendex
Title: Three-dimension magnetotellurics modeling by adaptive edge finite-element using unstructured meshes
Authors: Liu, Chang-Sheng1, 2 ; Tang, Jing-Tian1 ; Ren, Zheng-Yong1, 3 ; Feng, De-Shan1
Author affiliation: 1 School of Info-physics and Geometrics Engineering, Central South University, Changsha 410083, China
2 Department of Computer Science, Changsha Aeronautical Vocational and Technical College, Changsha 410014, China
3 Institute of Geophysics, ETH-Swiss Federal Institute of Technology, Zurich CH8092, Switzerland
Corresponding author: Feng, D.-S. (fengdeshan@126.com)
Source title: Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)
Abbreviated source title: Zhongnan Daxue Xuebao (Ziran Kexue Ban)
Volume: 41
Issue: 5
Issue date: October 2010
Publication year: 2010
Pages: 1855-1859
Language: Chinese
ISSN: 16727207
CODEN: ZDXZAC
Document type: Journal article (JA)
Publisher: Central South University of Technology, Hunan, Changsha, 410083, China
Abstract: Based on unstructured grid which can simulate complex geoelectric models, the vector edge-based finite-elements were proposed. An adaptive finite element three-dimensional magnetotelluric modeling algorithm was introduced. The procedures are as follows: Element errors was estimated by a residual-based posteriori error on the coarse grid, and then elements with high error indicators were refined to generate a new grid. A new finite-element numerical processes were repeated on this new mesh to obtain more accurate and reliable numerical results. The iterative process was terminated until the accuracy of results on the final mesh became a required one. The COMMEMI 3D-1 model was tested to verify the correctness of the algorithm. The results show that for a complex three-dimensional electromagnetic model of the earth, using the adaptive mesh refinement and iterative solution procedure, the algorithm can generate iterative numerical results with high reliability.
Number of references: 23
Main heading: Finite element method
Controlled terms: Algorithms - Mesh generation - Three dimensional - Three dimensional computer graphics
Uncontrolled terms: H-adaptive finite element method - Magnetotellurics - Residual based error estimation - Unstructured meshes - Vector finite element method
Classification code: 723 Computer Software, Data Handling and Applications - 921 Mathematics
Database: Compendex
2. Accession number: 20104913447957
Title: 3-D magnetotelluric adaptive finite-element modeling
Authors: Liu, Changsheng1, 2 ; Yu, Yan3 ; Ren, Zhengyong1, 4 ; Wu, Qi1
Author affiliation: 1 School of Info-physics and Geometrics Engineering, Central South University, Changsha 410083, China
2 Changsha Aeronautical Vocational and Technical College, Changsha 410014, China
3 School of Civil Engineering and Construction, Wuhan University of Technology, Wuhan 430070, China
4 Institute of Geophysics, ETH-Swiss Federal Institute of Technology, Zurich, Switzerland
Corresponding author: Liu, C. (lcs888_2002@163.com)
Source title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Abbreviated source title: Lect. Notes Comput. Sci.
Volume: 6382 LNCS
Issue: M4D
Monograph title: Advances in Computation and Intelligence - 5th International Symposium, ISICA 2010, Proceedings
Issue date: 2010
Publication year: 2010
Pages: 465-473
Language: English
ISSN: 03029743
E-ISSN: 16113349
ISBN-10: 3642164927
ISBN-13: 9783642164927
Document type: Conference article (CA)
Conference name: 5th International Symposium on Advances in Computation and Intelligence, ISICA 2010
Conference date: October 22, 2010 - October 24, 2010
Conference location: Wuhan, China
Conference code: 82748
Sponsor: China University of Geosciences
Publisher: Springer Verlag, Tiergartenstrasse 17, Heidelberg, D-69121, Germany
Abstract: Aiming at three principal problems existing in traditional node-based finite-element method when modeling MT problems, this paper proposed an adaptive vector-based finite-element method with unstructured mesh. On the basis of 3-D finite-element formulae, it introduces a residual-based posteriori error estimator. Then, it presents the adaptive refinement strategy and computation flow. The test of a homogenous earth model and two anomalies with high resistivity model show that the numerical solutions enable the convergence to the exact results with a maximal average error less than a percentage value of 1%. Thus, it can be concluded that the h-adaptive vector finite-element method can guarantee the accuracy and efficiency of complicated models, through which its great potential is displayed. © 2010 Springer-Verlag Berlin Heidelberg.
Number of references: 15
Main heading: Finite element method
Controlled terms: Convergence of numerical methods - Three dimensional - Vectors
Uncontrolled terms: Adaptive refinement strategy - Average errors - Computation flow - Earth models - Exact results - Finite element modeling - Finite-element - H-adaptive - High resistivity - Magnetotellurics - Node-based - Numerical solution - Posteriori error estimator - Residual-based error estimate - Unstructured mesh - Unstructured meshes - Vector-based
Classification code: 902.1 Engineering Graphics - 921.1 Algebra - 921.6 Numerical Methods
DOI: 10.1007/978-3-642-16493-4_47
Database: Compendex