Comparison of PSO and GA Metaheuristic methods to invert Rayleigh wave dispersion curves for Vs estimation: a case study

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POORMIRZAEE RASHED

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Paper Information

Journal: JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING Year:2019 | Volume:9 | Issue:18 Page(s): 77-88

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Title

Comparison of PSO and GA Metaheuristic methods to invert Rayleigh wave dispersion curves for Vs estimation: a case study

Author(s)

POORMIRZAEE RASHED | Issue Writer Certificate

Keywords

Inversion

Rayleigh wave

PSO

Wenner array

Abstract

Summary: Current techniques of estimating shallow shear velocities for assessment of earthquake site response are too costly to be used at most construction sites. Recently, refraction microtremor (ReMi) data have been frequently used for estimating of dispersion curves and simulating velocity of S-waves. In the current study we applied two metaheuristic optimization approaches, particle swarm optimization (PSO) and Genetic algorithm (GA), for Inversion of Rayleigh wave dispersion curves. In geophysical surveys, the application of metaheuristic techniques is quite new. The efficiency of the proposed methods were investiGAted by synthetic models. At the end, PSO and GA Inversion algorithms were tested on a real ReMi data set. Also in this study, resistivity data (Wenner array), as auxiliary information, were carried out. Introduction: In order to achieve reliable results, processing of ReMi data in particular Inversion stage should be done accurately. Similar to other surface wave methods, after the construction of dispersion curves, the next step is to invert of the dispersion curve to obtain a single VS profile. To make reliable geological inference, it is necessary to use accurate models and assess their accuracy. In this study, the reliability of two metaheuristic methods, i. e., GA and PSO for Inversion of Rayleigh wave dispersion curves were investiGAted on two synthetic datasets (i. e., models A and B) and an actual dataset. Methodology and Approaches: The Inversion was done for S and P-wave velocity by the assumption of 0. 2

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APA: Copy

POORMIRZAEE, RASHED. (2019). Comparison of PSO and GA Metaheuristic methods to invert Rayleigh wave dispersion curves for Vs estimation: a case study. JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING, 9(18 ), 77-88. SID. https://sid.ir/paper/266090/en

Vancouver: Copy

POORMIRZAEE RASHED. Comparison of PSO and GA Metaheuristic methods to invert Rayleigh wave dispersion curves for Vs estimation: a case study. JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING[Internet]. 2019;9(18 ):77-88. Available from: https://sid.ir/paper/266090/en

IEEE: Copy

RASHED POORMIRZAEE, “Comparison of PSO and GA Metaheuristic methods to invert Rayleigh wave dispersion curves for Vs estimation: a case study,” JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING, vol. 9, no. 18 , pp. 77–88, 2019, [Online]. Available: https://sid.ir/paper/266090/en

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