Unstructured Triangular Grid Finite Element Method for Time Domain Induced Polarization Forward Modeling
详细信息
- 责任者：Chen Jinchao (Chendu University of Technology ; Chengdu 610059 ; China) ; Wang Xuben
- 刊名：Computing Techniques for Geophysical and Geochemical Exploration
- 出版年：2011
- 卷期：33(4)
- 关键词：正演模拟 ; forward modelling ; 时间域激发极化法 ; time-domain induced polarization methods
- 页码：p.411-417
- 图表：13 illus., 4 tables, 9 refs.
- 分类号：1600
- issnNo：ISSN1001-1749
- isbnNo：CN51-1242/P
摘要
Based on the analysis of the deficiencies of traditional meshing, the unstructured gradient triangulation method was proposed for solution area triangulation. Fixed bandwidth LDLT decomposition method was used to solve linear equations. Procedures of automatic unstructured gradient triangulation and induced polarization 2.5D forward modeling of finite element method for fixed point source sounding device has been designed. The result verified the effectiveness of this method.
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