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ORGANISATION DES DONNEES, ET LEUR INITIALISATION, DANS ARPEGE/IFS: CYCLE 45T1. (Coding, phasing, porting)

Wednesday 25 October 2017 by Karim Yessad

CETTE DOCUMENTATION DONNE QUELQUES BASES SUR L’ORGANISATION DES DONNEES DANS ARPEGE/IFS, NOTAMMENT EN RELATION AVEC OOPS, ET L’ORDRE DANS LEQUEL ON INITIALISE LES DIFFERENTS OBJETS.



Distributed memory features in the cycle 45 of ARPEGE/IFS. (Technical and coding aspects)

Thursday 29 June 2017 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation describes some aspects of the memory distribution for parallel environment (message passing). It is written as a complement of some other documentations (mainly the ECMWF documentation) so some (...)


Minimizations in the cycle 45 of ARPEGE/IFS. (Technical and coding aspects)

Thursday 29 June 2017 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation describes the minimizations done in ARPEGE/IFS, for example in the 3DVAR and 4DVAR assimilation. First some algorithmic aspects are recalled about minimizers and solving of linear algebra systems. (...)


Trajectory management in the cycle 45 of ARPEGE/IFS. (Technical and coding aspects)

Thursday 29 June 2017 by Karim Yessad
Table of contents Abstract RESUME Contents In ARPEGE/IFS, some applications (for example a 4DVAR minimisation) use a tangent linear code and an adjoint code. Such codes require to compute a trajectory, this trajectory is computed by running the direct code. (...)


User’s guide to add new GFL variables or new GFL attributes in ARPEGE/IFS, ALADIN, AROME: CYCLE 45. (Technical and coding aspects)

Thursday 29 June 2017 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation is an user’s guide for people wanting to introduce new GFL variables or new GFL attributes. Cette documentation est un guide d’utilisation pour les personnes qui veulent introduire de nouvelles (...)


User’s guide to add new surface variables or new surface attributes in ARPEGE/IFS, ALADIN, AROME: cycle 45. (Technical and coding aspects)

Thursday 29 June 2017 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation is a user’s guide for people wanting to introduce new surface fields, or new surface attributes. Cette documentation est un guide d’utilisation pour les personnes qui veulent introduire de (...)


Library architecture and history of the technical aspects in ARPEGE/IFS, ALADIN and AROME in the cycle 45 of ARPEGE/IFS. (Coding, phasing, porting)

Thursday 29 June 2017 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation has the aim to give a general overview of the library architecture ARPEGE/IFS, ALADIN and AROME models. Information will be given about an historical overview of the most important code rewritings, (...)


GESTION DES NAMELISTS DE MITRAILLETTE, D’OLIVE ET DE L’OPERATIONNEL: CYCLE 45. (Coding, phasing, porting)

Thursday 29 June 2017 by Karim Yessad
Table of contents RESUME Contents / TABLE DES MATIERES CETTE DOCUMENTATION EST UN MEMORANDUM RECAPITULANT LES PRINCIPALES ACTIONS A EFFECTUER CONCERNANT LA MAINTENANCE DES NAMELISTS DE ``MITRAILLETTE", AINSI QUE CELLES DE L’OPERATIONNEL, QUI VONT DANS (...)


Recommended variable naming in ARPEGE/IFS. (Technical and coding aspects)

Tuesday 7 March 2017 by Karim Yessad
This documentation has for purpose to give a recommended standard root to name meteorological quantities which are used in the model.


MITRAILLETTE: ENVIRONNEMENT FILES AND USER’S GUIDE. VERSION v022017. (Coding, phasing, porting)

Monday 6 March 2017 by Karim Yessad
Table of contents Abstract Contents MITRAILLETTE is a software designed to do some basic validations on ARPEGE, ALADIN, AROME, and versions used by ALADIN or HIRLAM partners. It is shared between METEO-FRANCE, ALADIN partners and HIRLAM partners. It is (...)


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