2019
DOI: 10.1016/j.cageo.2019.03.003
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Calibration of random fields by FFTMA-SA

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Cited by 10 publications
(8 citation statements)
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“…(8) for the intersection of the shifted and the original field. This statistic could be computed more efficiently in Fourier space by generalizing the approach presented in Marcotte (1996). As shown in Fig.…”
Section: Simulation Session IImentioning
confidence: 99%
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“…(8) for the intersection of the shifted and the original field. This statistic could be computed more efficiently in Fourier space by generalizing the approach presented in Marcotte (1996). As shown in Fig.…”
Section: Simulation Session IImentioning
confidence: 99%
“…(see Deutsch and Journel, 1998;Chilès and Delfiner, 2012;Lantuéjoul, 2013, for details). The common goal of these methods is to ensure that the simulated realizations comply with the additional information available (Lauzon and Marcotte, 2019). The additional information could be observed values of the simulated targets, measurements that are related linearly or nonlinearly to the simulated targets, third-or higher-order statistics (Guthke and Bárdossy, 2017;Bárdossy and Hörning, 2017), etc.…”
Section: Introductionmentioning
confidence: 99%
“…Any permissible autocovariance model may be considered and, given that the random and deterministic components of the algorithm are separated in the spatial, rather than in the wavenumber, domain, local re-simulations of specific areas of the model grid are possible. The latter cannot be done with standard power spectral simulation techniques (e.g., Ikelle, 1993) and has led to the common application of FFT-MA for stochastic modeling and inversion (e.g., Le Ravalec-Dupin et al, 2004;Le Ravalec and Mouche, 2012;Liang and Marcotte, 2016;Yang and Zhu, 2017;Lauzon and Marcotte, 2019).…”
Section: Generation Of Conditional Porosity Realizationsmentioning
confidence: 99%
“…We wish to find conditional realizations of subsurface porosity, generated using the technique described above, whose corresponding synthetic GPR reflection data offer a good fit to the field GPR measurements. To this end, we build on previous work (e.g., Tronicke and Holliger, 2005;Dafflon et al, 2009, Lauzon andMarcotte, 2019) and use SA, a directional Monte-Carlo-type approach, to iteratively perform the optimization. The objective function to be minimized is the simple sum-of-squares error…”
Section: Sa Optimizationmentioning
confidence: 99%
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