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Jeffrey T. Fong
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Proceedings Papers

A Multi-Scale Creep, Fatigue, and Creep-Fatigue Interaction Model for Estimating Reliability of Steel Components at Elevated Temperatures

Jeffrey T. Fong, Pedro V. Marcal, Marvin J. Cohn, N. Alan Heckert
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A020, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106834
https://doi.org/10.1115/PVP2023-106834
View Paper titled, A Multi-Scale Creep, Fatigue, and Creep-Fatigue Interaction Model for Estimating Reliability of Steel Components at Elevated Temperatures
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Topics: Creep, Damage, Failure, Fatigue, Inspection, Modeling, Pipes, Pressure vessels, Probability, Reliability
Proceedings Papers

A Failure-Probability- and Damage-State-Based Fatigue and Creep Model for Estimating Reliability of Stainless Steel 316L(N) Components in Thermal Fatigue

Jeffrey T. Fong, Pedro V. Marcal, Marvin J. Cohn, N. Alan Heckert
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A019, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106831
https://doi.org/10.1115/PVP2023-106831
View Paper titled, A Failure-Probability- and Damage-State-Based Fatigue and Creep Model for Estimating Reliability of Stainless Steel 316L(N) Components in Thermal Fatigue
Open the PDF for A Failure-Probability- and Damage-State-Based Fatigue and Creep Model for Estimating Reliability of Stainless Steel 316L(N) Components in Thermal Fatigue in another window
Topics: Creep, Damage, Failure, Fatigue, Inspection, Modeling, Pipes, Power stations, Pressure vessels, Probability
Proceedings Papers

A Relationship Between the POD Qualification of an Inspector and the Estimated Upper Bound Failure Probability of a Fatigue-Loaded Component When No Crack Was Found

Jeffrey T. Fong, Ned A. Finney, Jr., Steven R. Doctor, N. Alan Heckert
Proc. ASME. QNDE2023, 2023 50th Annual Review of Progress in Quantitative Nondestructive Evaluation, V001T01A001, July 24–27, 2023
Publisher: American Society of Mechanical Engineers
Paper No: QNDE2023-108683
https://doi.org/10.1115/QNDE2023-108683
View Paper titled, A Relationship Between the POD Qualification of an Inspector and the Estimated Upper Bound Failure Probability of a Fatigue-Loaded Component When No Crack Was Found
Open the PDF for A Relationship Between the POD Qualification of an Inspector and the Estimated Upper Bound Failure Probability of a Fatigue-Loaded Component When No Crack Was Found in another window
Topics: ASME Boiler and Pressure Vessel Code, Failure, Fatigue, Fracture (Materials), Inspection, Modeling, Nondestructive evaluation, Pipes, Pressure vessels, Probability
Proceedings Papers

Fatigue-Life Prediction and Design for Uncracked and Cracked Components: Deterministic, A- and B-Basis Probabilistic, and Reliability Target Approaches

Jeffrey T. Fong, Pedro V. Marcal, Stephen W. Freiman, N. Alan Heckert, James J. Filliben
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A016, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84851
https://doi.org/10.1115/PVP2022-84851
View Paper titled, Fatigue-Life Prediction and Design for Uncracked and Cracked Components: Deterministic, A- and B-Basis Probabilistic, and Reliability Target Approaches
Open the PDF for Fatigue-Life Prediction and Design for Uncracked and Cracked Components: Deterministic, A- and B-Basis Probabilistic, and Reliability Target Approaches in another window
Topics: Design, Failure, Fatigue, Fatigue life, Fracture (Materials), Glass, Modeling, Nondestructive evaluation, Pipes, Pressure vessels
Proceedings Papers

A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes

Jeffrey T. Fong, Pedro V. Marcal, Robert Rainsberger, N. Alan Heckert, James J. Filliben, Steven R. Doctor, Ned A. Finney, Jr.
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A029, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62169
https://doi.org/10.1115/PVP2021-62169
View Paper titled, A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes
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Topics: Failure, Fatigue, Fatigue life, Fracture (Materials), Inspection, Modeling, Nondestructive evaluation, Pipes, Pressure vessels, Probability
Proceedings Papers

Pure Plastic Behavior and the Assumption of Zero Elasticity at the Limit Load

Pedro V. Marcal, Robert Rainsberger, Jeffrey T. Fong
Proc. ASME. PVP2019, Volume 2: Computer Technology and Bolted Joints, V002T02A008, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93699
https://doi.org/10.1115/PVP2019-93699
View Paper titled, Pure Plastic Behavior and the Assumption of Zero Elasticity at the Limit Load
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Topics: Elasticity, Stress
Proceedings Papers

Design of an Intelligent Python Code for Validating Crack Growth Exponent by Monitoring a Crack of Zig-Zag Shape in a Cracked Pipe

Jeffrey T. Fong, Pedro V. Marcal, Robert Rainsberger, N. Alan Heckert, James J. Filliben
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A058, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93502
https://doi.org/10.1115/PVP2019-93502
View Paper titled, Design of an Intelligent Python Code for Validating Crack Growth Exponent by Monitoring a Crack of Zig-Zag Shape in a Cracked Pipe
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Topics: Design, Fracture (Materials), Fracture mechanics, Pipes, Pressure vessels, Shapes
Proceedings Papers

A Co-Reliability-Target-Based Fatigue Failure Probability Model for Implementing the New ASME Boiler and Pressure Vessel Section XI Division 2 Reliability and Integrity Management Code: A Technical Brief

Jeffrey T. Fong, N. A. Heckert, J. J. Filliben, Stephen W. Freiman
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A003, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93508
https://doi.org/10.1115/PVP2019-93508
View Paper titled, A Co-Reliability-Target-Based Fatigue Failure Probability Model for Implementing the New ASME Boiler and Pressure Vessel Section XI Division 2 Reliability and Integrity Management Code: A Technical Brief
Open the PDF for A Co-Reliability-Target-Based Fatigue Failure Probability Model for Implementing the New ASME Boiler and Pressure Vessel Section XI Division 2 Reliability and Integrity Management Code: A Technical Brief in another window
Topics: Alloys, ASME Boiler and Pressure Vessel Code, Boilers, Creep, Fatigue, Fatigue failure, Pressure vessels, Probability, Reliability, Rupture
Proceedings Papers

Three Approaches to Quantification of NDE Uncertainty and a Detailed Exposition of the Expert Panel Approach Using the Sheffield Elicitation Framework

Jeffrey T. Fong, N. Alan Heckert, James J. Filliben, Steven R. Doctor
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A007, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84771
https://doi.org/10.1115/PVP2018-84771
View Paper titled, Three Approaches to Quantification of NDE Uncertainty and a Detailed Exposition of the Expert Panel Approach Using the Sheffield Elicitation Framework
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Topics: Nondestructive evaluation, Uncertainty, Fracture (Materials), Inspection, Experimental design, Pressure vessels, Probes, Risk, Steel, Boilers
Proceedings Papers

Application of an a priori Jacobian-Based Error Estimation Metric to the Accuracy Assessment of 3D Finite Element Simulations

Robert B. Rainsberger, Jeffrey T. Fong, Pedro V. Marcal
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A076, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84784
https://doi.org/10.1115/PVP2018-84784
View Paper titled, Application of an a priori Jacobian-Based Error Estimation Metric to the Accuracy Assessment of 3D Finite Element Simulations
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Topics: Engineering simulation, Errors, Finite element analysis, Simulation, Jacobian matrices, Magnetic resonance imaging, Finite element methods, Finite element model, Fracture (Materials), Pipes
Proceedings Papers

Uncertainty Quantification of Finite Element Analysis of Uni-Axial Strength Test of Holed Composite Laminates

Li Ma, Jeffrey T. Fong, Pedro V. Marcal, Robert B. Rainsberger, N. Alan Heckert, James J. Filliben
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A074, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84730
https://doi.org/10.1115/PVP2018-84730
View Paper titled, Uncertainty Quantification of Finite Element Analysis of Uni-Axial Strength Test of Holed Composite Laminates
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Topics: Composite materials, Finite element analysis, Laminates, Uncertainty quantification, Finite element methods, Failure, Uncertainty, Aerospace industry, Algorithms, Carbon
Proceedings Papers

A Nonlinear Least Squares Logistic Fit Approach to Quantifying Uncertainty in Fatigue Stress-Life Models and an Application to Plain Concrete

Jeffrey T. Fong, N. Alan Heckert, James J. Filliben, Paul H. Ziehl
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A075, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84739
https://doi.org/10.1115/PVP2018-84739
View Paper titled, A Nonlinear Least Squares Logistic Fit Approach to Quantifying Uncertainty in Fatigue Stress-Life Models and an Application to Plain Concrete
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Topics: Concretes, Fatigue, Stress, Uncertainty, Algorithms, Cycles, Endurance limit, Engineering models, Failure, Fatigue life
Proceedings Papers

Finite Element Method Solution Uncertainty, Asymptotic Solution, and a New Approach to Accuracy Assessment

Jeffrey T. Fong, Pedro V. Marcal, Robert Rainsberger, Li Ma, N. Alan Heckert, James J. Filliben
Proc. ASME. VVS2018, ASME 2018 Verification and Validation Symposium, V001T12A001, May 16–18, 2018
Publisher: American Society of Mechanical Engineers
Paper No: VVS2018-9320
https://doi.org/10.1115/VVS2018-9320
View Paper titled, Finite Element Method Solution Uncertainty, Asymptotic Solution, and a New Approach to Accuracy Assessment
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Topics: Finite element methods, Uncertainty, Design, Errors, Jacobian matrices, Algorithms, Calibration, Degrees of freedom, Density, Engineering simulation
Proceedings Papers

Uncertainty in Multi-Scale Creep Rupture Life Modeling and a New Approach to Estimating Frequency of In-Service Inspection of Components at Elevated Temperatures

Jeffrey T. Fong, N. Alan Heckert, James J. Filliben, Marvin J. Cohn
Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T04A002, April 3–5, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ETAM2018-6711
https://doi.org/10.1115/ETAM2018-6711
View Paper titled, Uncertainty in Multi-Scale Creep Rupture Life Modeling and a New Approach to Estimating Frequency of In-Service Inspection of Components at Elevated Temperatures
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Topics: Creep, In-service inspection, Modeling, Rupture, Temperature, Uncertainty, Failure, American Petroleum Institute, Inspection, Algorithms
Proceedings Papers

Error Norm vs. Uncertainty Metric in Assessing Accuracy of the Finite Element Method

Pedro V. Marcal, Jeffrey T. Fong, Robert Rainsberger, Li Ma
Proc. ASME. PVP2017, Volume 2: Computer Technology and Bolted Joints, V002T02A011, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65817
https://doi.org/10.1115/PVP2017-65817
View Paper titled, Error Norm vs. Uncertainty Metric in Assessing Accuracy of the Finite Element Method
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Topics: Errors, Finite element methods, Uncertainty, Finite element analysis, Bricks, Corners (Structural elements)
Proceedings Papers

A Statistical Approach to Estimating a 95% Confidence Lower Limit for the Design Creep Rupture Time vs. Stress Curve When the Stress Estimate Has an Error Up to 2%

Jeffrey T. Fong, James J. Filliben, N. Alan Heckert, Pedro V. Marcal, Marvin J. Cohn
Proc. ASME. PVP2016, Volume 1B: Codes and Standards, V01BT01A055, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63350
https://doi.org/10.1115/PVP2016-63350
View Paper titled, A Statistical Approach to Estimating a 95% Confidence Lower Limit for the Design Creep Rupture Time vs. Stress Curve When the Stress Estimate Has an Error Up to 2%
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Topics: Creep, Design, Errors, Rupture, Stress, Fatigue, Pipes, Steam, American Petroleum Institute, Damage
Proceedings Papers

A High-Accuracy Approach to Finite Element Analysis Using the Hexa 27-Node Element

Pedro V. Marcal, Jeffrey T. Fong, Robert Rainsberger, Li Ma
Proc. ASME. PVP2016, Volume 1B: Codes and Standards, V01BT01A058, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63715
https://doi.org/10.1115/PVP2016-63715
View Paper titled, A High-Accuracy Approach to Finite Element Analysis Using the Hexa 27-Node Element
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Topics: Finite element analysis, Errors, Shells, Bricks, Corners (Structural elements), Pipes, Pressure vessels
Proceedings Papers

A Super-Parametric Approach to Estimating Accuracy and Uncertainty of the Finite Element Method (*)

Robert B. Rainsberger, Jeffrey T. Fong, Pedro V. Marcal
Proc. ASME. PVP2016, Volume 1B: Codes and Standards, V01BT01A059, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63890
https://doi.org/10.1115/PVP2016-63890
View Paper titled, A Super-Parametric Approach to Estimating Accuracy and Uncertainty of the Finite Element Method (*)
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Topics: Finite element methods, Uncertainty, Algorithms, Errors, Finite element analysis, Materials properties, Pipes, Approximation, Boundary-value problems, Databases
Proceedings Papers

A High-Risk High-Reward Approach to Public-Private Collaborative Research in Predictive Modeling and Control of Complex Systems

David Swanson, Jeffrey T. Fong
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 1029-1042, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57712
https://doi.org/10.1115/PVP2011-57712
View Paper titled, A High-Risk High-Reward Approach to Public-Private Collaborative Research in Predictive Modeling and Control of Complex Systems
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Topics: Complex systems, Control modeling, Risk, Innovation, National Institute of Standards and Technology, Power grids, Reliability, Robustness, Climate, Education
Proceedings Papers

A Risk-Uncertainty Formula Accounting for Uncertainties of Failure Probability and Consequence in a Nuclear Powerplant

Jeffrey T. Fong, Stephen R. Gosselin, Pedro V. Marcal, James J. Filliben, N. Alan Heckert, Robert E. Chapman
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 1065-1089, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25168
https://doi.org/10.1115/PVP2010-25168
View Paper titled, A Risk-Uncertainty Formula Accounting for Uncertainties of Failure Probability and Consequence in a Nuclear Powerplant
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Topics: Accounting, Errors, Failure, Nuclear power stations, Probability, Risk, Uncertainty