Learning physics-based models from data: perspectives from inverse problems and model reduction

O Ghattas, K Willcox - Acta Numerica, 2021 - cambridge.org
This article addresses the inference of physics models from data, from the perspectives of
inverse problems and model reduction. These fields develop formulations that integrate data …

[图书][B] Computational optimization of systems governed by partial differential equations

A Borzì, V Schulz - 2011 - SIAM
This book provides an introduction to some modern computational techniques for
optimization problems governed by partial differential equations (PDEs). The optimization …

Optimal solvers for PDE-constrained optimization

T Rees, HS Dollar, AJ Wathen - SIAM Journal on Scientific Computing, 2010 - SIAM
Optimization problems with constraints which require the solution of a partial differential
equation arise widely in many areas of the sciences and engineering, particularly in …

A new approximation of the Schur complement in preconditioners for PDE‐constrained optimization

JW Pearson, AJ Wathen - Numerical Linear Algebra with …, 2012 - Wiley Online Library
Saddle point systems arise widely in optimization problems with constraints. The utility of
Schur complement approximation is now broadly appreciated in the context of solving such …

[图书][B] Optimal control of partial differential equations

A Manzoni, A Quarteroni, S Salsa - 2021 - Springer
This is a book on Optimal Control Problems (OCPs): how to formulate them, how to set up a
suitable mathematical framework for their analysis, how to approximate them numerically …

Regularization-robust preconditioners for time-dependent PDE-constrained optimization problems

JW Pearson, M Stoll, AJ Wathen - SIAM Journal on Matrix Analysis and …, 2012 - SIAM
In this article, we motivate, derive, and test effective preconditioners to be used with the
Minres algorithm for solving a number of saddle point systems which arise in PDE …

Directional sparsity in optimal control of partial differential equations

R Herzog, G Stadler, G Wachsmuth - SIAM Journal on Control and …, 2012 - SIAM
We study optimal control problems in which controls with certain sparsity patterns are
preferred. For time-dependent problems the approach can be used to find locations for …

[图书][B] Iterative methods and preconditioners for systems of linear equations

G Ciaramella, MJ Gander - 2022 - SIAM
This book gives an introduction to iterative methods and preconditioning for solving
discretized elliptic partial differential equations (PDEs) and optimal control problems …

One-shot approaches to design optimzation

T Bosse, NR Gauger, A Griewank, S Günther… - Trends in PDE …, 2014 - Springer
The paper describes general methodologies for the solution of design optimization
problems. In particular we outline the close relations between a fixed point solver based …

Optimal control with stochastic PDE constraints and uncertain controls

E Rosseel, GN Wells - Computer Methods in Applied Mechanics and …, 2012 - Elsevier
The optimal control of problems that are constrained by partial differential equations with
uncertainties and with uncertain controls is addressed. The Lagrangian that defines the …