Uncertainty and resolution analysis of 2D and 3D inversion models computed from geophysical electromagnetic data

Z Ren, T Kalscheuer - Surveys in Geophysics, 2020 - Springer
A meaningful solution to an inversion problem should be composed of the preferred
inversion model and its uncertainty and resolution estimates. The model uncertainty …

[图书][B] A posteriori estimates for partial differential equations

S Repin - 2008 - degruyter.com
Bibliography Page 1 Bibliography [1] Y. Achdou, C. Bernardi, and F. Coquel, A priori and a
posteriori analysis of finite volume dis- cretizations of Darcy’s equations, Numer. Math. 96 (2003) …

Adaptive space-time finite element methods for parabolic optimization problems

D Meidner, B Vexler - SIAM Journal on Control and Optimization, 2007 - SIAM
In this paper we derive a posteriori error estimates for space-time finite element
discretizations of parabolic optimization problems. The provided error estimates assess the …

Identification of material parameters for constitutive equations

R Mahnken - Encyclopedia of computational mechanics, 2004 - Wiley Online Library
This contribution addresses various topics on parameter identification for constitutive
equations on the basis of experimental data. Starting from basic characteristics of inverse …

Adaptive finite elements for elliptic optimization problems with control constraints

B Vexler, W Wollner - SIAM Journal on Control and Optimization, 2008 - SIAM
In this paper we develop a posteriori error estimates for finite element discretization of elliptic
optimization problems with pointwise inequality constraints on the control variable. We …

Identification of the parameters of an elastic material model using the constitutive equation gap method

E Florentin, G Lubineau - Computational Mechanics, 2010 - Springer
Today, the identification of material model parameters is based more and more on full-field
measurements. This article explains how an appropriate use of the constitutive equation gap …

Adaptive finite element methods for the solution of inverse problems in optical tomography

W Bangerth, A Joshi - Inverse Problems, 2008 - iopscience.iop.org
Optical tomography attempts to determine a spatially variable coefficient in the interior of a
body from measurements of light fluxes at the boundary. Like in many other applications in …

Parallel algorithms for PDE-constrained optimization

V Akçelik, G Biros, O Ghattas, J Hill, D Keyes… - Parallel processing for …, 2006 - SIAM
PDE-constrained optimization refers to the optimization of systems governed by PDEs. The
simulation problem is to solve the PDEs for the state variables (eg, displacement, velocity …

A priori and a posteriori error estimates for the Deep Ritz method applied to the Laplace and Stokes problem

P Minakowski, T Richter - Journal of Computational and Applied …, 2023 - Elsevier
We analyze neural network solutions to partial differential equations obtained with Physics
Informed Neural Networks. In particular, we apply tools of classical finite element error …

A posteriori error estimation and adaptivity for elliptic optimal control problems with state constraints

O Benedix, B Vexler - Computational Optimization and Applications, 2009 - Springer
In this paper optimal control problems governed by elliptic semilinear equations and subject
to pointwise state constraints are considered. These problems are discretized using finite …