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Pedro V. Marcal
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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
Open the PDF for A Multi-Scale Creep, Fatigue, and Creep-Fatigue Interaction Model for Estimating Reliability of Steel Components at Elevated Temperatures in another window
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

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
Open the PDF for A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes in another window
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
Open the PDF for Design of an Intelligent Python Code for Validating Crack Growth Exponent by Monitoring a Crack of Zig-Zag Shape in a Cracked Pipe in another window
Topics: Design, Fracture (Materials), Fracture mechanics, Pipes, Pressure vessels, Shapes
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

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

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 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
Proceedings Papers

A W eb-Based U ncertainty P lug- I n ( WUPI ) for Fatigue Life Prediction Based on NDE Data and Fracture Mechanics Analysis

Jeffrey T. Fong, Pedro V. Marcal, Owen F. Hedden, Yuh J. Bill Chao, Poh-Sang Lam
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1331-1374, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77827
https://doi.org/10.1115/PVP2009-77827
View Paper titled, A W eb-Based U ncertainty P lug- I n ( WUPI ) for Fatigue Life Prediction Based on NDE Data and Fracture Mechanics Analysis
Open the PDF for A W eb-Based U ncertainty P lug- I n ( WUPI ) for Fatigue Life Prediction Based on NDE Data and Fracture Mechanics Analysis in another window
Topics: Databases, Failure, Fatigue life, Fracture mechanics, Materials properties, Modeling, Nondestructive evaluation, Safety
Proceedings Papers

A D ataplot- P ython- A nlap ( DPA ) Plug-In for High Temperature Mechanical Property Databases to Facilitate Stochastic Modeling of Fire-Structure Interactions

Jeffrey T. Fong, Pedro V. Marcal
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1573-1601, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77867
https://doi.org/10.1115/PVP2009-77867
View Paper titled, A D ataplot- P ython- A nlap ( DPA ) Plug-In for High Temperature Mechanical Property Databases to Facilitate Stochastic Modeling of Fire-Structure Interactions
Open the PDF for A D ataplot- P ython- A nlap ( DPA ) Plug-In for High Temperature Mechanical Property Databases to Facilitate Stochastic Modeling of Fire-Structure Interactions in another window
Topics: Carbon, Databases, Failure, Fire, High strength steel, High temperature, Mechanical properties, Modeling, Nondestructive evaluation, Risk
Proceedings Papers

Artificial Intelligence (AI) Tools for Data Acquisition and Probability Risk Analysis of Nuclear Piping Failure Databases

Pedro V. Marcal, Jeffrey T. Fong, Nobuki Yamagata
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1613-1649, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77871
https://doi.org/10.1115/PVP2009-77871
View Paper titled, Artificial Intelligence (AI) Tools for Data Acquisition and Probability Risk Analysis of Nuclear Piping Failure Databases
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Topics: Artificial intelligence, Data acquisition, Databases, Failure, In-service inspection, Materials properties, Modeling, Nondestructive evaluation, Pipes, Probability
Proceedings Papers

Design of a PYTHON-Based Plug-In for Benchmarking Probabilistic Fracture Mechanics Computer Codes With Failure Event Data

Jeffrey T. Fong, Roland deWit, Pedro V. Marcal, James J. Filliben, N. Alan Heckert, Stephen R. Gosselin
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1651-1693, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77974
https://doi.org/10.1115/PVP2009-77974
View Paper titled, Design of a PYTHON-Based Plug-In for Benchmarking Probabilistic Fracture Mechanics Computer Codes With Failure Event Data
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Topics: Computers, Design, Experimental design, Failure, Fracture (Materials), Fracture mechanics, Modeling, Nondestructive evaluation, Residual stresses
Proceedings Papers

Structural Aging Monitoring via Web-Based Nondestructive Evaluation (NDE) Technology

Jeffrey T. Fong, William F. Ranson, III, Reginald I. Vachon, Pedro V. Marcal
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 1565-1613, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61607
https://doi.org/10.1115/PVP2008-61607
View Paper titled, Structural Aging Monitoring via Web-Based Nondestructive Evaluation (NDE) Technology
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Topics: Damage assessment, Decision making, Finite element methods, Fracture mechanics, Modeling, Monitoring systems, Nondestructive evaluation, Computer simulation, Computers, Databases
Proceedings Papers

Continuous NDE Monitoring via Web Technology

Pedro V. Marcal, Jeffrey T. Fong
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 1503-1510, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61574
https://doi.org/10.1115/PVP2008-61574
View Paper titled, Continuous NDE Monitoring via Web Technology
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Topics: Cloud computing, Fatigue cracks, Fatigue damage, Fracture (Materials), Inspection, Nondestructive evaluation, Pipes, Pressure vessels, Underwater vehicles, Welded joints