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Patrick J. Roache
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Journal Articles

Discussion: “Comparison of the V&V10.1 and V&V20 Modeling Error Quantification Procedures for the V&V10.1 Example” (Eça, L., Dowding, K., Moorcroft, D., and Ghia U., 2022, ASME J. Verif. Valid. Uncert., 7 (2), p. 021004)

Patrick J. Roache
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Discussions
J. Verif. Valid. Uncert. September 2022, 7(3): 035501.
Paper No: VVUQ-22-1011
https://doi.org/10.1115/1.4055105
Published Online: August 17, 2022
View Article titled, Discussion: “Comparison of the V&V10.1 and V&V20 Modeling Error Quantification Procedures for the V&V10.1 Example” (Eça, L., Dowding, K., Moorcroft, D., and Ghia U., 2022, ASME J. Verif. Valid. Uncert., 7 (2), p. 021004)
Open the PDF for Discussion: “Comparison of the V&V10.1 and V&V20 Modeling Error Quantification Procedures for the V&V10.1 Example” (Eça, L., Dowding, K., Moorcroft, D., and Ghia U., 2022, ASME J. Verif. Valid. Uncert., 7 (2), p. 021004) in another window
Topics: Errors, Modeling
Journal Articles

Interpretation of Validation Results Following ASME V&V20-2009

Patrick J. Roache
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Technical Briefs
J. Verif. Valid. Uncert. June 2017, 2(2): 024501.
Paper No: VVUQ-17-1019
https://doi.org/10.1115/1.4037706
Published Online: September 7, 2017
View Article titled, Interpretation of Validation Results Following ASME V&V20-2009
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Topics: Errors, Uncertainty, Simulation
Journal Articles

Verification and Validation in Fluids Engineering: Some Current Issues

Patrick J. Roache
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2016, 138(10): 101205.
Paper No: FE-16-1206
https://doi.org/10.1115/1.4033979
Published Online: August 3, 2016
View Article titled, Verification and Validation in Fluids Engineering: Some Current Issues
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Topics: Uncertainty
Journal Articles

Discussion: “Factors of Safety for Richardson Extrapolation” (Xing, T., and Stern, F., 2010, ASME J. Fluids Eng., 132, p. 061403)

Patrick J. Roache
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. November 2011, 133(11): 115501.
https://doi.org/10.1115/1.4005029
Published Online: October 24, 2011
View Article titled, Discussion: “Factors of Safety for Richardson Extrapolation” (Xing, T., and Stern, F., 2010, ASME J. Fluids Eng., 132, p. 061403)
Open the PDF for Discussion: “Factors of Safety for Richardson Extrapolation” (Xing, T., and Stern, F., 2010, ASME J. Fluids Eng., 132, p. 061403) in another window
Topics: Errors, Fluids, Hydrodynamics, Numerical analysis, Physics, Safety, Safety engineering, Ships, Uncertainty
Journal Articles

Perspective: Validation—What Does It Mean?

Patrick J. Roache
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. March 2009, 131(3): 034503.
https://doi.org/10.1115/1.3077134
Published Online: February 4, 2009
View Article titled, Perspective: Validation—What Does It Mean?
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Topics: Accreditation, Calibration, Computational fluid dynamics, Regulations, Uncertainty, Modeling, Ambiguity, Engineers, Flow (Dynamics), Turbulence
Journal Articles

Conservatism of the Grid Convergence Index in Finite Volume Computations on Steady-State Fluid Flow and Heat Transfer

Patrick J. Roache, Consultant,
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. July 2003, 125(4): 731–732.
https://doi.org/10.1115/1.1588692
Published Online: August 27, 2003
View Article titled, Conservatism of the Grid Convergence Index in Finite Volume Computations on Steady-State Fluid Flow and Heat Transfer
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Topics: Computation, Fluid dynamics, Heat transfer, Steady state, Computational fluid dynamics, Numerical analysis, Finite volume methods
Journal Articles

Criticisms of the “Correction Factor” Verification Method

Patrick J. Roache, Consultant,
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. July 2003, 125(4): 732–733.
https://doi.org/10.1115/1.1588693
Published Online: August 27, 2003
View Article titled, Criticisms of the “Correction Factor” Verification Method
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Topics: Uncertainty, Computational fluid dynamics, Finite volume methods, Numerical analysis
Journal Articles

Code Verification by the Method of Manufactured Solutions

Patrick J. Roache
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. March 2002, 124(1): 4–10.
https://doi.org/10.1115/1.1436090
Published Online: November 12, 2001
View Article titled, Code Verification by the Method of Manufactured Solutions
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Topics: Boundary-value problems, Errors, Theorems (Mathematics), Computational fluid dynamics, Shock (Mechanics)
Journal Articles

Discussion: “Uncertainties and CFD Code Validation” (Coleman, H. W., and Stern, F., 1997, ASME J. Fluids Eng., 119, pp. 795–803)

Patrick J. Roache
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. September 1998, 120(3): 635.
https://doi.org/10.1115/1.2820713
Published Online: September 1, 1998
View Article titled, Discussion: “Uncertainties and CFD Code Validation” (Coleman, H. W., and Stern, F., 1997, ASME J. Fluids Eng., 119, pp. 795–803)
Open the PDF for Discussion: “Uncertainties and CFD Code Validation” (Coleman, H. W., and Stern, F., 1997, ASME J. Fluids Eng., 119, pp. 795–803) in another window
Topics: Computational fluid dynamics, Fluids, Uncertainty
Journal Articles

Response: To the Comments by Drs. W. Shyy and M. Sindir

Patrick J. Roache
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Forum
J. Fluids Eng. June 1994, 116(2): 198–199.
https://doi.org/10.1115/1.2910254
Published Online: June 1, 1994
View Article titled, Response: To the Comments by Drs. W. Shyy and M. Sindir
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Journal Articles

Editorial Policy Statement on the Control of Numerical Accuracy

Patrick J. Roache, Kirti N. Ghia, Frank M. White
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Editorial
J. Fluids Eng. March 1986, 108(1): 2.
https://doi.org/10.1115/1.3242537
Published Online: March 1, 1986
View Article titled, Editorial Policy Statement on the Control of Numerical Accuracy
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Topics: Errors, Modeling, Testing, Turbulence, Fluids engineering, Algorithms, Computational fluid dynamics, Computational physics, Computers, Fluid dynamics