Reduced basis methods: Success, limitations and future challenges

M Ohlberger, S Rave - arxiv preprint arxiv:1511.02021, 2015 - arxiv.org
Parametric model order reduction using reduced basis methods can be an effective tool for
obtaining quickly solvable reduced order models of parametrized partial differential equation …

Reduced basis methods for uncertainty quantification

P Chen, A Quarteroni, G Rozza - SIAM/ASA Journal on Uncertainty …, 2017 - SIAM
In this work we review a reduced basis method for the solution of uncertainty quantification
problems. Based on the basic setting of an elliptic partial differential equation with random …

pyMOR--generic algorithms and interfaces for model order reduction

R Milk, S Rave, F Schindler - SIAM Journal on Scientific Computing, 2016 - SIAM
Reduced basis methods are projection-based model order reduction techniques for
reducing the computational complexity of solving parametrized partial differential equation …

POD-Galerkin reduced-order modeling with adaptive finite element snapshots

S Ullmann, M Rotkvic, J Lang - Journal of Computational Physics, 2016 - Elsevier
We consider model order reduction by proper orthogonal decomposition (POD) for
parametrized partial differential equations, where the underlying snapshots are computed …

A new certified hierarchical and adaptive RB-ML-ROM surrogate model for parametrized PDEs

B Haasdonk, H Kleikamp, M Ohlberger… - SIAM Journal on …, 2023 - SIAM
We present a new surrogate modeling technique for efficient approximation of input-output
maps governed by parametrized PDEs. The model is hierarchical as it is built on a full order …

Error control for the localized reduced basis multiscale method with adaptive on-line enrichment

M Ohlberger, F Schindler - SIAM Journal on Scientific Computing, 2015 - SIAM
In this contribution we consider localized, robust, and efficient a posteriori error estimation of
the localized reduced basis multiscale (LRBMS) method for parametric elliptic problems with …

POD reduced-order modeling for evolution equations utilizing arbitrary finite element discretizations

C Gräßle, M Hinze - Advances in Computational Mathematics, 2018 - Springer
The main focus of the present work is the inclusion of spatial adaptivity for the snapshot
computation in the offline phase of model order reduction utilizing proper orthogonal …

Goal-oriented model reduction for parametrized time-dependent nonlinear partial differential equations

MK Sleeman, M Yano - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
We present a projection-based model reduction formulation for parametrized time-
dependent nonlinear partial differential equations (PDEs). Our approach builds on the …

A hierarchical a posteriori error estimator for the reduced basis method

S Hain, M Ohlberger, M Radic, K Urban - Advances in Computational …, 2019 - Springer
In this contribution, we are concerned with tight a posteriori error estimation for projection-
based model order reduction of inf \inf-sup \sup stable parameterized variational problems …

A discretize-then-map approach for the treatment of parameterized geometries in model order reduction

T Taddei, L Zhang - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
We present a general approach for the treatment of parameterized geometries in projection-
based model order reduction. During the offline stage, given (i) a family of parameterized …