Abstract
The authors present a general approach to estimate parameters in reactive multispecies transport models. The basic idea is to treat the discretized model equations as nonlinear constraints of a large finite-dimensional optimization problem. Multiple shooting in time is a specific feature of the discretization. The resulting constrained least squares problem is solved by a generalized Gauss-Newton method. Parallelism on several levels is exploited in the algorithmn. A practical parameter estimation problem from contaminant hydrology is considered and successfully solved. The reliability of the parameter estimates is confirmed by the results of a sensitivity analysis. A more detailed description of the presented methods and results can be found in [9].
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M. W. Zieße, H. G. Bock, J. V. Gallitzendörfer, and J. P. Schiöder. Parameter Estimation in Multispecies Transport Reaction Systems Using Parallel Algorithms. Preprint 95 – 26 (SFB 359), IWR, Universität Heidelberg, 1995.
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© 1996 Kluwer Academic Publishers
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Zieße, M.W., Bock, H.G., Gallitzendörfer, J.V., Schlöder, J.P. (1996). Parameter Estimation in Multispecies Transport Reaction Systems Using Parallel Algorithms. In: Gottlieb, J., DuChateau, P. (eds) Parameter Identification and Inverse Problems in Hydrology, Geology and Ecology. Water Science and Technology Library, vol 23. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1704-0_19
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DOI: https://doi.org/10.1007/978-94-009-1704-0_19
Publisher Name: Springer, Dordrecht
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