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Muhamad Hilmi Aufa
Physics of Earth and Complex System, Physics Department, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132
Astronomy Chemistry Earth & Planetary Sciences Mathematics Physics

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Gravity Inversion of Talwani Model using Very Fast Simulated Annealing Wahyu Srigutomo; Mohammad Heriyanto; Muhamad Hilmi Aufa
Journal of Mathematical and Fundamental Sciences Vol. 51 No. 2 (2019)
Publisher : Institute for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.math.fund.sci.2019.51.2.7

Abstract

Global approaches for estimating geophysical model parameters have been proposed by several authors, including their application for gravity interpretation, which is currently limited to simple and fixed geometrical problems. This paper proposes implementation of Very Fast Simulated Annealing (VFSA) in two-dimensional gravity interpretation problems, which are still rarely addressed. The modeling domain was divided into smaller sub-domains and gravity anomaly calculation was carried out based on the Talwani formulation.  To improve the uniqueness of the solution of under-determined problems, specific constraints were added in addition to the assumed known symmetry axes. The inversion of VFSA was tested on synthetic data generated by simple models and on previously published real data to evaluate the applicability of the proposed approach to the interpretation of field data.
Co-Authors Mohammad Heriyanto Wahyu Srigutomo