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Global Inversion of Surface Wave Dispersion Curves Based on Improved Weighted Average Velocity Method
In this paper, a global inversion algorithm for surface wave dispersion curve is proposed. An improved weighted average velocity (Wave) method is used as the forward model and generalized reduced gradient (GRG) method is used for minimization of misfit function. The development of the proposed algorithm is detailed. The proposed inversion algorithm is then used to invert synthetic Rayleigh wave dispersion curves of known one-dimensional (1D) soil profiles and results show that the initial soil profile population size of 10,000 is sufficient to obtain the global minimum solution. Finally, field Rayleigh wave dispersion curves are inverted to show that the 1D shear wave velocity () profiles from the proposed inversion algorithm agree well with independently measured data.
Global Inversion of Surface Wave Dispersion Curves Based on Improved Weighted Average Velocity Method
In this paper, a global inversion algorithm for surface wave dispersion curve is proposed. An improved weighted average velocity (Wave) method is used as the forward model and generalized reduced gradient (GRG) method is used for minimization of misfit function. The development of the proposed algorithm is detailed. The proposed inversion algorithm is then used to invert synthetic Rayleigh wave dispersion curves of known one-dimensional (1D) soil profiles and results show that the initial soil profile population size of 10,000 is sufficient to obtain the global minimum solution. Finally, field Rayleigh wave dispersion curves are inverted to show that the 1D shear wave velocity () profiles from the proposed inversion algorithm agree well with independently measured data.
Global Inversion of Surface Wave Dispersion Curves Based on Improved Weighted Average Velocity Method
Leong, E. C. (author) / Aung, A. M. W. (author)
Journal of Geotechnical and Geoenvironmental Engineering ; 139 ; 2156-2169
2013-04-08
142013-01-01 pages
Article (Journal)
Electronic Resource
English
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