Improved Integral Equation Method for Rapid 3-D Forward Modeling of Magnetotelluric
Abstract
:1. Introduction
2. IE Method Foundation for MT Modeling
3. Improved Treatments
3.1. Analytical Method for Computation of Bessel Function
3.2. Rapid Implementation of Coefficient Matrix-Vector Multiplication
4. Model Test
4.1. COMMEMI 3D-1A Model
4.2. Dublin Test Model 1
4.3. COMMEMI 3D-2A Model
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Analytical Formula of Bessel Function Integral
References
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Extend in x (km) | Extend in y (km) | Extend in z (km) | ||
---|---|---|---|---|
Block 1 | −20 to 20 | −2.5 to 2.5 | 5 to 20 | 10 |
Block 2 | −15 to 0 | −2.5 to 22.5 | 20 to 25 | 1 |
Block 3 | 0 to 15 | −22.5 to 2.5 | 20 to 50 | 10,000 |
Computation Cost | Number of Cells in x-, y-, z-Direction for Anomalous Bodies | ||||
---|---|---|---|---|---|
Iterations | Time (s)/Period | Peak RAM(GB) | Body 1 | Body 2 | Body 3 |
30 | 25 | 0.047 | |||
20 | 108 | 0.2 | |||
20 | 234 | 0.4 | |||
20 | 2061 | 3.19 |
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Luo, T.; Chen, L.; Hu, X. Improved Integral Equation Method for Rapid 3-D Forward Modeling of Magnetotelluric. Minerals 2022, 12, 504. https://doi.org/10.3390/min12050504
Luo T, Chen L, Hu X. Improved Integral Equation Method for Rapid 3-D Forward Modeling of Magnetotelluric. Minerals. 2022; 12(5):504. https://doi.org/10.3390/min12050504
Chicago/Turabian StyleLuo, Tianya, Longwei Chen, and Xiangyun Hu. 2022. "Improved Integral Equation Method for Rapid 3-D Forward Modeling of Magnetotelluric" Minerals 12, no. 5: 504. https://doi.org/10.3390/min12050504
APA StyleLuo, T., Chen, L., & Hu, X. (2022). Improved Integral Equation Method for Rapid 3-D Forward Modeling of Magnetotelluric. Minerals, 12(5), 504. https://doi.org/10.3390/min12050504