Energy‐based model order reduction for linear stochastic Galerkin systems of second order

Abstract: We consider a second‐order linear system of ordinary differential equations (ODEs) including random variables. A stochastic Galerkin method yields a larger deterministic linear system of ODEs. We apply a model order reduction (MOR) of this high‐dimensional linear dynamical system, where its internal energy represents a quadratic quantity of interest. We investigate the properties of this MOR with respect to stability, passivity and energy dissipation. Numerical results are shown for a system modelling a mass‐spring‐damper configuration.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Energy‐based model order reduction for linear stochastic Galerkin systems of second order ; day:15 ; month:09 ; year:2023 ; extent:9
Proceedings in applied mathematics and mechanics ; (15.09.2023) (gesamt 9)

Creator
Pulch, Roland

DOI
10.1002/pamm.202300038
URN
urn:nbn:de:101:1-2023091515295579656229
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:46 AM CEST

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Associated

  • Pulch, Roland

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