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The last articles

Variational calculus - minimization (presentation, 2002)
Published on June 2002

Presentation of Yves Boutelout during the ALATNET training course on Numerical Analysis in Kranjska Gora, 29-31 May 2002.

Schedule of the lectures : first: a "cultural" lecture with historical digression about variational calculus then an introduction to the optimal estimation theory, and to (…)

Numerical filters (presentation, 2002)
Published on June 2002

Presentation of Piet Termonia during the ALATNET training course on Numerical Analysis in Kranjska Gora, 29-31 May 2002.

Generalities : why do we need filters in the first place ? set the stage : notions, spectral, types NWP: discretization and truncation increasing the efficiency discussion (…)

Advection treatment (presentation, 2002)
Published on June 2002

Presentation of Petra Smolikova during the ALATNET training course on Numerical Analysis in Kranjska Gora, 29-31 May 2002.

Contents : Eurelian approach (CFL criterion) Lagrangian approach: semi-Lagrangian scheme algorithm two or three time levels ? how to find the origin points ? (…)

Time discretization (presentation, 2002)
Published on June 2002

Presentation of Petra Smolikova during the ALATNET training course on Numerical Analysis in Kranjska Gora, 29-31 May 2002.

Contents : Explicit scheme Implicit scheme Decentering Semi-implicit scheme principle instability caused by non-linear terms P/C scheme The splitting method

Space discretization methods (presentation, 2002)
Published on June 2002

Presentation of Petra Smolikova during the ALATNET training course on Numerical Analysis in Kranjska Gora, 29-31 May 2002.

Contents : Galerkin methods Spectral methods on the line and on the sphere equivalent grids truncation calculation of RHS limited area modelling comparison with FDM (…)