Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Mazzieri Ilario"'
This work aims to construct and analyze a discontinuous Galerkin method on polytopal grids (PolydG) to solve the pseudo-stress formulation of the unsteady Stokes problem. The pseudo-stress variable is introduced due to the growing interest in non-New
Externí odkaz:
http://arxiv.org/abs/2408.08760
Autor:
Antonietti Paola F., Ferroni Alberto, Mazzieri Ilario, Paolucci Roberto, Quarteroni Alfio, Smerzini Chiara, Stupazzini Marco
Publikováno v:
ESAIM: Proceedings and Surveys, Vol 61, Pp 1-37 (2018)
We present a comprehensive review of Discontinuous Galerkin Spectral Element (DGSE) methods on hybrid hexahedral/tetrahedral grids for the numerical modeling of the ground motion induced by large earthquakes. DGSE methods combine the exibility of dis
Externí odkaz:
https://doaj.org/article/8f819232a1d54c8b85ed48b6d11eb776
Autor:
Antonietti, Paola F., Bonetti, Stefano, Botti, Michele, Corti, Mattia, Fumagalli, Ivan, Mazzieri, Ilario
We present the library lymph for the finite element numerical discretization of coupled multi-physics problems. lymph is a Matlab library for the discretization of partial differential equations based on high-order discontinuous Galerkin methods on p
Externí odkaz:
http://arxiv.org/abs/2401.13376
This work is concerned with the analysis of a space-time finite element discontinuous Galerkin method on polytopal meshes (XT-PolydG) for the numerical discretization of wave propagation in coupled poroelastic-elastic media. The mathematical model co
Externí odkaz:
http://arxiv.org/abs/2306.01140
Autor:
Artoni, Alberto, Antonietti, Paola F., Corradi, Roberto, Mazzieri, Ilario, Parolini, Nicola, Rocchi, Daniele, Schito, Paolo, Semeraro, Francesco F.
We propose AeroSPEED, a solver based on the Spectral Element Method (SEM) that solves the aeroacoustic Lighthill's wave equation. First, the fluid solution is computed employing a cell centered Finite Volume method. Then, AeroSPEED maps the sound sou
Externí odkaz:
http://arxiv.org/abs/2303.10377
We present and analyze a high-order discontinuous Galerkin method for the space discretization of the wave propagation model in thermo-poroelastic media. The proposed scheme supports general polytopal grids. Stability analysis and $hp$-version error
Externí odkaz:
http://arxiv.org/abs/2303.09481
We propose a hybrid Finite Volume (FV) - Spectral Element Method (SEM) for modelling aeroacoustic phenomena based on the Lighthill's acoustic analogy. First the fluid solution is computed employing a FV method. Then, the sound source term is projecte
Externí odkaz:
http://arxiv.org/abs/2302.03370
We design a Mixed Virtual Element Method for the approximated solution to the first-order form of the acoustic wave equation. In absence of external load, the semi-discrete method exactly conserves the system energy. To integrate in time the semi-dis
Externí odkaz:
http://arxiv.org/abs/2209.11603
In this work, we present a new high order Discontinuous Galerkin time integration scheme for second-order (in time) differential systems that typically arise from the space discretization of the elastodynamics equation. By rewriting the original equa
Externí odkaz:
http://arxiv.org/abs/2112.01792
In this work we review discontinuous Galerkin finite element methods on polytopal grids (PolydG) for the numerical simulation of multiphysics wave propagation phenomena in heterogeneous media. In particular, we address wave phenomena in elastic, poro
Externí odkaz:
http://arxiv.org/abs/2111.02311