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Optimal Experimental Design Using a Consistent Bayesian Approach

Journal Article · · ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems. Part B. Mechanical Engineering
DOI:https://doi.org/10.1115/1.4037457· OSTI ID:1478379
 [1];  [2];  [2]
  1. Univ. of Colorado, Denver, CO (United States). Dept. of Mathematical and Statistical Sciences
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Center for Computing Research
We consider the utilization of a computational model to guide the optimal acquisition of experimental data to inform the stochastic description of model input parameters. Our formulation is based on the recently developed consistent Bayesian approach for solving stochastic inverse problems, which seeks a posterior probability density that is consistent with the model and the data in the sense that the push-forward of the posterior (through the computational model) matches the observed density on the observations almost everywhere. Given a set of potential observations, our optimal experimental design (OED) seeks the observation, or set of observations, that maximizes the expected information gain from the prior probability density on the model parameters. We discuss the characterization of the space of observed densities and a computationally efficient approach for rescaling observed densities to satisfy the fundamental assumptions of the consistent Bayesian approach. Finally, numerical results are presented to compare our approach with existing OED methodologies using the classical/statistical Bayesian approach and to demonstrate our OED on a set of representative partial differential equations (PDE)-based models.
Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000; NA0003525
OSTI ID:
1478379
Report Number(s):
SAND--2017-4749J; 666529
Journal Information:
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems. Part B. Mechanical Engineering, Journal Name: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems. Part B. Mechanical Engineering Journal Issue: 1 Vol. 4; ISSN 2332-9017
Publisher:
American Society of Mechanical EngineersCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Goal-oriented optimal design of experiments for large-scale Bayesian linear inverse problems journal July 2018
Efficient D-Optimal Design of Experiments for Infinite-Dimensional Bayesian Linear Inverse Problems journal January 2018
Optimal Experimental Design for Constrained Inverse Problems preprint January 2017
Optimum Experimental Design for Interface Identification Problems text January 2018
Learning Quantities of Interest from Dynamical Systems for Observation-Consistent Inversion preprint January 2020
Goal-Oriented Optimal Design of Experiments for Large-Scale Bayesian Linear Inverse Problems text January 2018

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