TRAC-M Validation Test Matrix (NUREG/CR-6720)

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Publication Information

Manuscript Completed: July 2000
Date Published: July 2001

Prepared by:
B. E. Boyack^a
M. Straka^b
L. W. Ward^c

^aLos Alamos National Laboratory
P.O. Box 1663
Los Alamos, NM 87545

^bScientech, Inc.
910 Clopper Road
Gaithersburg, MD 20878

^cInformation Systems Laboratories
11140 Rockville Pike
Rockville, MD 20852

F. Odar, NRC Project Manager

Prepared for:
Division of System Analysis and Regulatory Effectiveness
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

NRC Job Code W6245

Availability Notice

Abstract

This document briefly describes the elements of the United States Nuclear Regulatory Commission's (NRC's) software quality assurance program leading to code qualification and identifies and proposes specific tests for qualifying the modernized TRAC code (TRAC-M) for a broad spectrum of pressurized- and boiling-water reactor accidents and transients such that the requirements of the NRC's software quality assurance program are satisfied.

Verification is the process of ensuring that the products and process of each major activity of the software life cycle meet the standards for the products and objectives of that major activity. Examples of verification activities include formal major life-cycle reviews and audits, formal peer reviews, and informal tests such as unit and integration testing. Verification efforts are not discussed in this report.

Validation is the process of demonstrating that the as-built software meets its requirements. Testing is the primary method of software validation. We have subdivided the TRAC-M validation test matrix into four elements. The first set of validation activities compares code-calculated results with data from tests other than those employing experimental data, designated Other Standard Tests. The second set of validation activities compares code-calculated results with data from Separate Effect Tests. The third and fourth sets of activities compare code-calculated results with data from Component Effect Tests and Integral Effect Tests, respectively. The four elements identified above constitute the TRAC-M Validation Test Matrix.