Oberseminar Numerik und Optimierung

Vortrag am Donnerstag, 25.01.2024, um 14:15 Uhr, Raum c311, Hauptgebäude der Universität; Dr. Monica Nonino, Universität Wien; ALE based MOR for transport dominated problems: calibration, optimization and regression

ALE based MOR for transport dominated problems: calibration, optimization and regression

In this talk I will present a Model Order Reduction approach for transport dominated problems, in the non-parametrized and in the parametrized setting, with a particular focus on the SOD problem in 1D. The approach is based on the definition of suitable deformation maps from the physical domain into itself: these maps are obtained by means of an optimization procedure. Once the map is found, a standard POD on the modified snapshots is performed. For the online phase, an Artificial Neural Network approach is used to compute the coefficients of the online solution.