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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 (...)

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

– (...)

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 (...)

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 (...)