[Dottorcomp] reminder: informal seminar of Federico Gatti - tomorrow (Tuesday) 19/12/2023, 2pm

[Lorenzo Tamellini]

Dear all,

this is a reminder about the very informal seminar by Federico Gatti, which
will take place tomorrow (Tuesday 19th December) at 2 PM in the conference
room of CNR-IMATI. See you there!

Best,
Andrea, Laura, Lorenzo
https://sites.google.com/view/very-informal-seminars



Il giorno mar 5 dic 2023 alle ore 19:56 Lorenzo Tamellini <
tamellini a imati.cnr.it> ha scritto:

> Dear all,
>
> change of plans: the very informal seminar of Federico Gatti is moved to
> **Tuesday 19th December**, at 2 PM in the conference room of CNR-IMATI.
> Apologies for any inconvenience!
>
> Best,
> Andrea, Laura, Lorenzo
> https://sites.google.com/view/very-informal-seminars
>
> ========================================
>
> *Titolo:* Efficient numerical schemes for depth-integrated landslide
> runout models
>
> *Abstract:* Landslide dynamics encompasses various velocity scales and
> mechanical behaviors, presenting challenges in numerical modeling. In this
> work, we focus on landslide runout phase.
> Two numerical frameworks are proposed: one for homogeneous moving slides,
> such as mudflows, and the other for landslides with significant
> solid-liquid interactions. These schemes adopt adaptive mesh refinement and
> domain partitioning on hierarchical quadtree meshes, enhancing scalability
> and efficiency. These numerical schemes can be seen as a modification of
> the standard two-step Taylor-Galerkin (TG2) scheme on quadtree meshes. We
> propose modifications aimed at ensuring well-balancing property and
> overcoming the numerical stiffness coming from diffusion-reaction terms,
> while guaranteeing scaling performances proper of the TG2 scheme.
> Numerical experiments demonstrate the effectiveness of the schemes in
> terms of time-step selection, parallel performance, accuracy, and ability
> to deal with real topographies.
>
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