Identification of an Optimal Derivatives Approximation by Variational Data Assimilation

Details Identification of an Optimal Derivatives Approximation by Variational Data Assimilation Identification of an Optimal Derivatives Approximation by Variational Data Assimilation

2009-05-28

arxiv.org/abs/0905.4560v1

Journal of Computational Physics 229 (2010) 256-275

Physics

Mathematical Physics

in Journal of Computational Physics (2009)

Scientific paper

Variational data assimilation technique applied to identification of optimal approximations of derivatives near boundary is discussed in frames of one-dimensional wave equation. Simplicity of the equation and of its numerical scheme allows us to discuss in detail as the development of the adjoint model and assimilation results. It is shown what kind of errors can be corrected by this control and how these errors are corrected. This study is carried out in view of using this control to identify optimal numerical schemes in coastal regions of ocean models.

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