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Research Papers

Why Do Verification and Validation?

[+] Author and Article Information
Kenneth T. Hu

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

Thomas L. Paez

Thomas Paez Consulting,
185 Valley View Drive,
Sedona, AZ 86336
e-mail: tlpaez4444@gmail.com

1Corresponding author.

Manuscript received December 4, 2015; final manuscript received January 21, 2016; published online February 19, 2016. Editor: Ashley F. Emery.

J. Verif. Valid. Uncert 1(1), 011008 (Feb 19, 2016) (6 pages) Paper No: VVUQ-15-1056; doi: 10.1115/1.4032564 History: Received December 04, 2015; Revised January 21, 2016

In this discussion paper, we explore different ways to assess the value of verification and validation (V&V) of engineering models. We first present a literature review on the value of V&V and then use value chains and decision trees to show how value can be assessed from a decision maker's perspective. In this context, the value is what the decision maker is willing to pay for V&V analysis with the understanding that the V&V results are uncertain. The 2014 Sandia V&V Challenge Workshop is used to illustrate these ideas.

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References

Figures

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Fig. 1

A notional value chain focusing on V&V

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Fig. 2

A sample decision tree for the challenge problem's mitigation decision

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Fig. 3

A sequential decision tree, with uncertain outcomes from three V&V strategies

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Fig. 4

Analysis of V&V strategy 1

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