Use of wavelets in marine controlled source electromagnetic method for geophysical modeling

Wavelets gained significant attention in science and engineering disciplines due to their remarkable data analyzing capabilities. Wavelets are also used for finding numerical solution of various engineering and geophysical problems. Marine controlled source electromagnetic (CSEM) method is a relativ...

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Main Authors: Hussain, N., Karsiti, M.N., Jeoti, V., Yahya, N.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.25660 /
Published: IOS Press 2016
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983354476&doi=10.3233%2fJAE-160002&partnerID=40&md5=ceef9ad7b2f3df36fc4f3fa7d2105fae
http://eprints.utp.edu.my/25660/
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spelling utp-eprints.256602021-08-27T09:39:14Z Use of wavelets in marine controlled source electromagnetic method for geophysical modeling Hussain, N. Karsiti, M.N. Jeoti, V. Yahya, N. Wavelets gained significant attention in science and engineering disciplines due to their remarkable data analyzing capabilities. Wavelets are also used for finding numerical solution of various engineering and geophysical problems. Marine controlled source electromagnetic (CSEM) method is a relatively new geophysical technique used to explore petroleum reserves from shallow and deep water. This work attempts to use periodic and non-periodic wavelets in CSEM for modeling of geophysical problem. This is results in a solution with multi-scale approximations using multiresolution analysis (MRA) algorithm. In this work, Daubechies wavelets are used, as the basis functions for solving the wave equation of marine CSEM, because of their orthonormality and compact support. Accuracy of the proposed method for marine CSEM is determined by comparing the results with the analytical solution for isotropic problem as well as those obtained using finite element (FE) method. Numerical results show that the governing equations for aforementioned geophysical method yield less obscure results than that of finite element method, for both bounded and unbounded domains. Furthermore, the proposed wavelet based numerical method produces multi-scale approximation that would prove useful for further analysis and data processing. © 2016 - IOS Press and the authors. IOS Press 2016 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983354476&doi=10.3233%2fJAE-160002&partnerID=40&md5=ceef9ad7b2f3df36fc4f3fa7d2105fae Hussain, N. and Karsiti, M.N. and Jeoti, V. and Yahya, N. (2016) Use of wavelets in marine controlled source electromagnetic method for geophysical modeling. International Journal of Applied Electromagnetics and Mechanics, 51 (4). pp. 431-443. http://eprints.utp.edu.my/25660/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Wavelets gained significant attention in science and engineering disciplines due to their remarkable data analyzing capabilities. Wavelets are also used for finding numerical solution of various engineering and geophysical problems. Marine controlled source electromagnetic (CSEM) method is a relatively new geophysical technique used to explore petroleum reserves from shallow and deep water. This work attempts to use periodic and non-periodic wavelets in CSEM for modeling of geophysical problem. This is results in a solution with multi-scale approximations using multiresolution analysis (MRA) algorithm. In this work, Daubechies wavelets are used, as the basis functions for solving the wave equation of marine CSEM, because of their orthonormality and compact support. Accuracy of the proposed method for marine CSEM is determined by comparing the results with the analytical solution for isotropic problem as well as those obtained using finite element (FE) method. Numerical results show that the governing equations for aforementioned geophysical method yield less obscure results than that of finite element method, for both bounded and unbounded domains. Furthermore, the proposed wavelet based numerical method produces multi-scale approximation that would prove useful for further analysis and data processing. © 2016 - IOS Press and the authors.
format Article
author Hussain, N.
Karsiti, M.N.
Jeoti, V.
Yahya, N.
spellingShingle Hussain, N.
Karsiti, M.N.
Jeoti, V.
Yahya, N.
Use of wavelets in marine controlled source electromagnetic method for geophysical modeling
author_sort Hussain, N.
title Use of wavelets in marine controlled source electromagnetic method for geophysical modeling
title_short Use of wavelets in marine controlled source electromagnetic method for geophysical modeling
title_full Use of wavelets in marine controlled source electromagnetic method for geophysical modeling
title_fullStr Use of wavelets in marine controlled source electromagnetic method for geophysical modeling
title_full_unstemmed Use of wavelets in marine controlled source electromagnetic method for geophysical modeling
title_sort use of wavelets in marine controlled source electromagnetic method for geophysical modeling
publisher IOS Press
publishDate 2016
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983354476&doi=10.3233%2fJAE-160002&partnerID=40&md5=ceef9ad7b2f3df36fc4f3fa7d2105fae
http://eprints.utp.edu.my/25660/
_version_ 1741197012062175232
score 11.62408

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