Chapter
Apr 26, 2012
Adjoint Data Assimilation into a 3D Unstructured Mesh Coastal Finite Element Model
Authors: F. Fang, C. C. Pain, M. D. Piggott, G. J. Gorman, G. M. Copeland, C. R. E. de Oliveira, A. J. H. Goddard, and I. GejadzeAuthor Affiliations
Publication: Estuarine and Coastal Modeling (2003)
Abstract
An adaptive mesh adjoint model has been developed to invert for uncertain parameters in the simulation of coastal flows. These may include, for example, open boundary conditions and initial conditions. Our objective in this paper is to obtain a better representation of water flows around and over coastal topography. In this paper a first attempt has been made at using mesh adaptivity in both transient forward and adjoint models. Although the resulting method has inconsistent discrete schemes for the forward and adjoint models, the inversion results shown here are nevertheless good. The derivation of the continuous adjoint model is presented. A description of the adaptive mesh adjoint technique is also given. As a study case, the method is applied to the inversion of boundary conditions for flow past a headland.
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© 2004 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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F. Fang
Department of Earth Science and Engineering, Imperial College, Prince Consort Road, London, SW7 2AZ, U.K.
C. C. Pain
Department of Earth Science and Engineering, Imperial College, Prince Consort Road, London, SW7 2AZ, U.K.
M. D. Piggott
Department of Earth Science and Engineering, Imperial College, Prince Consort Road, London, SW7 2AZ, U.K.
G. J. Gorman
Department of Earth Science and Engineering, Imperial College, Prince Consort Road, London, SW7 2AZ, U.K.
G. M. Copeland
Department of Civil Engineering, University of Strathclyde, Glasgow, U.K.
C. R. E. de Oliveira
Department of Earth Science and Engineering, Imperial College, Prince Consort Road, London, SW7 2AZ, U.K.
A. J. H. Goddard
Department of Earth Science and Engineering, Imperial College, Prince Consort Road, London, SW7 2AZ, U.K.
I. Gejadze
Department of Civil Engineering, University of Strathclyde, Glasgow, U.K.
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