Abstract:
We introduce a predictor-corrector algorithm to estimate parameters in a nonlinear hyperbolic problem. It can be used to estimate the oil-fractional flow function from the Buckley-Leverett equation. The forward model is non-linear: the sought- for parameter is a function of the solution of the equation. Traditionally, the estimation of functions requires the selection of a fitting parametric model. The algorithm that we develop does not require a predetermined parameter model. Therefore, the estimation problem is carried out over a set of parameters which are functions. The algorithm is based on the linearization of the parameter-to-output mapping. This technique is new in the field of nonlinear estimation. It has the advantage of laying aside parametric models. The algorithm is iterative and is of predictor-corrector type. We present theoretical results on the inverse problem. We use synthetic data to test the new algorithm. © 2008 IOP Publishing Ltd.
Registro:
Documento: |
Artículo
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Título: | A predictor-corrector algorithm to estimate the fractional flow in oil-water models |
Autor: | Savioli, G.B.; Fernández Berdaguer, E.M. |
Filiación: | Laboratorio de Ingeniería de Reservorios, IGPUBA, Universidad de Buenos Aires, Av. Las Heras 2214 Piso 3, C1127AAR Buenos Aires, Argentina Instituto de Clculo, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
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Año: | 2008
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Volumen: | 135
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DOI: |
http://dx.doi.org/10.1088/1742-6596/135/1/012091 |
Título revista: | Journal of Physics: Conference Series
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Título revista abreviado: | J. Phys. Conf. Ser.
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ISSN: | 17426588
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PDF: | https://bibliotecadigital.exactas.uba.ar/download/paper/paper_17426588_v135_n_p_Savioli.pdf |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17426588_v135_n_p_Savioli |
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Citas:
---------- APA ----------
Savioli, G.B. & Fernández Berdaguer, E.M.
(2008)
. A predictor-corrector algorithm to estimate the fractional flow in oil-water models. Journal of Physics: Conference Series, 135.
http://dx.doi.org/10.1088/1742-6596/135/1/012091---------- CHICAGO ----------
Savioli, G.B., Fernández Berdaguer, E.M.
"A predictor-corrector algorithm to estimate the fractional flow in oil-water models"
. Journal of Physics: Conference Series 135
(2008).
http://dx.doi.org/10.1088/1742-6596/135/1/012091---------- MLA ----------
Savioli, G.B., Fernández Berdaguer, E.M.
"A predictor-corrector algorithm to estimate the fractional flow in oil-water models"
. Journal of Physics: Conference Series, vol. 135, 2008.
http://dx.doi.org/10.1088/1742-6596/135/1/012091---------- VANCOUVER ----------
Savioli, G.B., Fernández Berdaguer, E.M. A predictor-corrector algorithm to estimate the fractional flow in oil-water models. J. Phys. Conf. Ser. 2008;135.
http://dx.doi.org/10.1088/1742-6596/135/1/012091