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Title: Enhancing adaptive sparse grid approximations and improving refinement strategies using adjoint-based a posteriori error estimates

Journal Article · · Journal of Computational Physics

In this paper we present an algorithm for adaptive sparse grid approximations of quantities of interest computed from discretized partial differential equations. We use adjoint-based a posteriori error estimates of the interpolation error in the sparse grid to enhance the sparse grid approximation and to drive adaptivity. We show that utilizing these error estimates provides significantly more accurate functional values for random samples of the sparse grid approximation. We also demonstrate that alternative refinement strategies based upon a posteriori error estimates can lead to further increases in accuracy in the approximation over traditional hierarchical surplus based strategies. Throughout this paper we also provide and test a framework for balancing the physical discretization error with the stochastic interpolation error of the enhanced sparse grid approximation.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1123534
Alternate ID(s):
OSTI ID: 1247015
Report Number(s):
SAND-2013-10657J; PII: S0021999114006500
Journal Information:
Journal of Computational Physics, Vol. 280, Issue C; ISSN 0021-9991
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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Cited By (7)

Yield Optimization Based on Adaptive Newton-Monte Carlo and Polynomial Surrogates journal January 2020
Enhanced adaptive surrogate models with applications in uncertainty quantification for nanoplasmonics text January 2018
Robust Uncertainty Quantification Using Response Surface Approximations of Discontinuous Functions journal January 2019
Convergence of Probability Densities using Approximate Models for Forward and Inverse Problems in Uncertainty Quantification text January 2018
Assessing the Performance of leja and Clenshaw-Curtis Collocation for Computational Electromagnetics with Random Input data journal January 2019
A generalized sampling and preconditioning scheme for sparse approximation of polynomial chaos expansions text January 2016
Adaptive Sparse Polynomial Chaos Expansions via Leja Interpolation preprint January 2019