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, Le choix de la méthode Runge-Kutta en temps se fait grâce aux classes filles de la classe mère RK, à savoir RK1, On veut résoudre numériquement les équations de Saint-Venant (0.5.1) avec terme source de topographie à une dimension d'espace. On implémente à l'aide du langage de programmation compilé orienté objet C++ les schémas Volumes Finis ordre 1 décrits dans le Chapitre 1 et les schémas Galerkin discontinus d'ordres élevés décrits dans les Chapitres 3 et 4. Le fichier principal est décrit dans le Listing 5.1.-L'objet pb de la classe PB contient tous les paramètres du cas test.-Les objets stateOld et stateNew sont deux jeux de valeurs des variables conservatives
, à savoir EXEXFV pour le schéma Volumes Finis explicite-explicite de la Section 5.1.1, IMEXFV pour la version implicite-explicite de la Section 5.1.2, et IMEXDG pour le schéma Galerkin discontinu implicite-explicite de la Section 5.1.3. Chaque classe fille de SOLVER contient les méthodes FillGhosts(), qui rempli les mailles fictives de l'état stateOld, et computeDt() qui calcule le plus grand pas de temps que l'on peut utiliser en accord avec la condition CFL du solveur considéré. Elle contient également la méthode SolverStep() qui rempli les états intermédiaires de chaque sous pas de la méthode RK utilisée
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