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Discussion

Summary of the 2014 Sandia Verification and Validation Challenge Workshop

[+] Author and Article Information
Benjamin B. Schroeder

V&V, UQ, Credibility Processes Department,
Sandia National Laboratories,
P.O. Box 5800, MS 0828,
Albuquerque, NM 87185-0828
e-mail: bbschro@sandia.gov

Kenneth T. Hu

V&V, UQ, Credibility Processes Department,
Sandia National Laboratories,
P.O. Box 5800, MS 0828,
Albuquerque, NM 87185-0828
e-mail: khu@sandia.gov

Joshua G. Mullins

V&V, UQ, Credibility Processes Department,
Sandia National Laboratories,
P.O. Box 5800, MS 0828,
Albuquerque, NM 87185-0828
e-mail: jmullin@sandia.gov

Justin G. Winokur

V&V, UQ, Credibility Processes Department,
Sandia National Laboratories,
P.O. Box 5800, MS 0828,
Albuquerque, NM 87185-0828
e-mail: jgwinok@sandia.gov

Manuscript received December 4, 2015; final manuscript received January 13, 2016; published online February 19, 2016. Editor: Ashley F. Emery.

J. Verif. Valid. Uncert 1(1), 015501 (Feb 19, 2016) (9 pages) Paper No: VVUQ-15-1055; doi: 10.1115/1.4032563 History: Received December 04, 2015; Revised January 13, 2016

A discussion of the five responses to the 2014 Sandia Verification and Validation (V&V) Challenge Problem, presented within this special issue, is provided hereafter. Overviews of the challenge problem workshop, workshop participants, and the problem statement are also included. Brief summations of teams' responses to the challenge problem are provided. Issues that arose throughout the responses that are deemed applicable to the general verification, validation, and uncertainty quantification (VVUQ) community are the main focal point of this paper. The discussion is oriented and organized into big picture comparison of data and model usage, VVUQ activities, and differentiating conceptual themes behind the teams' VVUQ strategies. Significant differences are noted in the teams' approaches toward all VVUQ activities, and those deemed most relevant are discussed. Beyond the specific details of VVUQ implementations, thematic concepts are found to create differences among the approaches; some of the major themes are discussed. Finally, an encapsulation of the key contributions, the lessons learned, and advice for the future are presented.

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References

Figures

Grahic Jump Location
Fig. 1

A VVUQ hierarchy for the challenge problem. Numbers identify the datasets, and the labels describe the system and environment of the experiments. The capabilities of the provided model are also indicated. (Reproduced with permission from Hu [2] (Figs. 2 and 3). Copyright 2013 by Sandia National Laboratories.)

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