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Proceedings Papers

Review of Original Calculations and pc-PRAISE Source Code Used to Develop ASME Code Section XI Appendix L Equivalent Single Crack Tables

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Steven X. Xu, Nathan Glunt, Do Jun Shim, Gary L. Stevens, Douglas A. Scarth
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A024, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-121858
https://doi.org/10.1115/PVP2024-121858
View Paper titled, Review of Original Calculations and pc-PRAISE Source Code Used to Develop ASME Code Section XI Appendix L Equivalent Single Crack Tables
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Topics: ASME Standards, Fatigue cracks, Fracture (Materials), Acceptance criteria, Fatigue, Fracture mechanics, Inspection, Leakage, Nondestructive evaluation, Pipes
Proceedings Papers

Technical Basis for Inspection Optimization and Deferral of PWR Pressurizer Component Examinations

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Nathaniel G. Cofie, Dilip Dedhia, Scott T. Chesworth, Do Jun Shim, Robert Grizzi
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A076, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-124330
https://doi.org/10.1115/PVP2024-124330
View Paper titled, Technical Basis for Inspection Optimization and Deferral of PWR Pressurizer Component Examinations
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Topics: Inspection, Optimization, Pressurized water reactors, Welded joints, ASME Standards, Vessels, Fracture mechanics, Nozzles, Pressure, Reactor vessels
Proceedings Papers

Applicability of ASME Code, Section XI to Fatigue Crack Growth Calculation of Flaws in Pipe-to-Elbow Welds

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Chan-Gi Hong, Seok-Jun Yoon, Gi-Bum Lee, Nam-Su Huh, Do Jun Shim
Proc. ASME. PVP2024, Volume 4: Materials & Fabrication, V004T06A080, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123343
https://doi.org/10.1115/PVP2024-123343
View Paper titled, Applicability of ASME Code, Section XI to Fatigue Crack Growth Calculation of Flaws in Pipe-to-Elbow Welds
Open the PDF for Applicability of ASME Code, Section XI to Fatigue Crack Growth Calculation of Flaws in Pipe-to-Elbow Welds in another window
Topics: ASME Standards, Fatigue cracks, Fracture (Materials), Pipes, Simulation, Welded joints
Proceedings Papers

Probabilistic Fracture Mechanics Evaluation of PWR Cast Austenitic Stainless Steel Piping Components – Axial Cracking Methods and Results

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Kevin Fuhr, Matt Wolfson, Glenn White, Markus Burkardt, Do Jun Shim
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A053, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107363
https://doi.org/10.1115/PVP2023-107363
View Paper titled, Probabilistic Fracture Mechanics Evaluation of PWR Cast Austenitic Stainless Steel Piping Components – Axial Cracking Methods and Results
Open the PDF for Probabilistic Fracture Mechanics Evaluation of PWR Cast Austenitic Stainless Steel Piping Components – Axial Cracking Methods and Results in another window
Topics: Cracking (Materials), Fracture (Process), Fracture mechanics, Pipes, Pressurized water reactors, Stainless steel
Proceedings Papers

Technical Basis for Inspection Optimization and Deferral of PWR Steam Generator Component Examinations

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Nathaniel G. Cofie, Dilip Dedhia, Scott T. Chesworth, Do Jun Shim, Robert Grizzi
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A052, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105958
https://doi.org/10.1115/PVP2023-105958
View Paper titled, Technical Basis for Inspection Optimization and Deferral of PWR Steam Generator Component Examinations
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Topics: Boilers, Inspection, Optimization, Pressurized water reactors, ASME Standards, Pressure, Welded joints, Nozzles, Pressure vessels, Vessels
Proceedings Papers

Organization and Basis of ASME Section XI, Nonmandatory Appendix Y, “Crack Growth Rate Curves”

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Glenn White, Kevin Fuhr, Anees Udyawar, Doug Scarth, Do Jun Shim
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A002, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105251
https://doi.org/10.1115/PVP2023-105251
View Paper titled, Organization and Basis of ASME Section XI, Nonmandatory Appendix Y, “Crack Growth Rate Curves”
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Topics: ASME Boiler and Pressure Vessel Code, Fatigue cracks, Fracture (Materials), Stress corrosion cracking
Proceedings Papers

Development of a New EPRI Elastic-Plastic Fracture Mechanics Handbook

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Ted L. Anderson, Robert H. Dodds, Jr., Greg V. Thorwald, Thomas Dessein, Do Jun Shim
Proc. ASME. PVP2023, Volume 5: Materials & Fabrication, V005T06A004, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106341
https://doi.org/10.1115/PVP2023-106341
View Paper titled, Development of a New EPRI Elastic-Plastic Fracture Mechanics Handbook
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Topics: Finite element analysis, Fracture mechanics
Proceedings Papers

Natural Crack Growth of Nozzle Corner Crack Using Extended Finite Element Method (XFEM)

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Garivalde Dominguez, Mohammed Uddin, Minh Tran, Do Jun Shim
Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A003, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84876
https://doi.org/10.1115/PVP2022-84876
View Paper titled, Natural Crack Growth of Nozzle Corner Crack Using Extended Finite Element Method (XFEM)
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Topics: Corners (Structural elements), Finite element methods, Fracture (Materials), Nozzles, Fatigue cracks, Shapes, Cycles, Pressure, Finite element model, Fitness-for-service
Proceedings Papers

Application of Leak-Before-Break to Small Diameter Piping Nozzles With Dissimilar Metal Butt Welds Susceptible to PWSCC Using xLPR

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Nat Cofie, Dilip Dedhia, Gary Dominguez, Mo Uddin, Craig Harrington, Nate Glunt, Do Jun Shim
Proc. ASME. PVP2022, Volume 4B: Materials and Fabrication, V04BT06A005, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-86180
https://doi.org/10.1115/PVP2022-86180
View Paper titled, Application of Leak-Before-Break to Small Diameter Piping Nozzles With Dissimilar Metal Butt Welds Susceptible to PWSCC Using xLPR
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Topics: Leak-before-break, Metals, Nozzles, Pipes, Welded joints, Rupture, Probability, Surface cracks, Fracture (Materials), Computer software
Proceedings Papers

Study on Alternative Bounding Approach for ASME Code Section XI Appendix L

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Do Jun Shim, Minh N. Tran
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A023, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84782
https://doi.org/10.1115/PVP2022-84782
View Paper titled, Study on Alternative Bounding Approach for ASME Code Section XI Appendix L
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Topics: ASME Standards
Journal Articles

Surface to Through-Wall Crack Transition Model for Circumferential Cracks in Pipes

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Do Jun Shim, Jeong Soon Park, Robert Kurth, David Rudland
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2022, 144(1): 011306.
Paper No: PVT-20-1269
https://doi.org/10.1115/1.4052802
Published Online: December 6, 2021
View Articletitled, Surface to Through-Wall Crack Transition Model for Circumferential Cracks in Pipes
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Topics: Fracture (Materials), Pipes
Proceedings Papers

Application of Leak-Before-Break to Small Diameter Stainless Steel Piping in PWRs

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Nathaniel G. Cofie, Dilip Dedhia, Do Jun Shim
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A038, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62368
https://doi.org/10.1115/PVP2021-62368
View Paper titled, Application of Leak-Before-Break to Small Diameter Stainless Steel Piping in PWRs
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Topics: Leakage, Leak-before-break, Pipes, Pressurized water reactors, Stainless steel
Proceedings Papers

Probabilistic Fracture Mechanics Evaluation of a BWR Feedwater Nozzle

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Kevin K. L. Wong, Garivalde Dominguez, Do Jun Shim, Steven K. Richter
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A031, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62933
https://doi.org/10.1115/PVP2021-62933
View Paper titled, Probabilistic Fracture Mechanics Evaluation of a BWR Feedwater Nozzle
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Topics: ASME Standards, Boiling water reactors, Feedwater, Fracture mechanics, Inspection, Nozzles, Shells
Proceedings Papers

Technical Basis for Increased Inspection Interval of Cold Leg Pressurized Water Reactor Dissimilar Metal Welds Using xLPR

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Chris Lohse, Do Jun Shim, Dilip Dedhia, Rohan Dutta, Nathan Glunt
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A030, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62560
https://doi.org/10.1115/PVP2021-62560
View Paper titled, Technical Basis for Increased Inspection Interval of Cold Leg Pressurized Water Reactor Dissimilar Metal Welds Using xLPR
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Topics: Inspection, Metals, Pressurized water reactors, Welded joints, Fracture (Materials), Alloys, ASME Standards, Computers, Probability, Temperature
Proceedings Papers

Review of Technical Basis for ASME Code Section XI Appendix L

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Deepak S. Somasundaram, Dilip Dedhia, Do Jun Shim, Gary L. Stevens, Steven X. Xu
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A003, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21690
https://doi.org/10.1115/PVP2020-21690
View Paper titled, Review of Technical Basis for ASME Code Section XI Appendix L
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Topics: ASME Standards, Fatigue, Fracture mechanics
Proceedings Papers

Application of ASME Code Section XI Appendix L Using 3-D Finite Element Analyses

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Charles Fourcade, Minji Fong, James Axline, Do Jun Shim, Chris Lohse, Charles Tomes, Mohammed Farooq
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A005, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21729
https://doi.org/10.1115/PVP2020-21729
View Paper titled, Application of ASME Code Section XI Appendix L Using 3-D Finite Element Analyses
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Topics: ASME Standards, Fatigue, Finite element analysis
Proceedings Papers

Example Application of Code Case N-894 Rules for Weld Overlay of Thermal Fatigue Cracking

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Christopher Lohse, Richard Bax, Minji Fong, Charles Fourcade, Do Jun Shim
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A100, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21760
https://doi.org/10.1115/PVP2020-21760
View Paper titled, Example Application of Code Case N-894 Rules for Weld Overlay of Thermal Fatigue Cracking
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Topics: Fatigue cracks, Overlays (Materials engineering), Fatigue, Filler metals, Maintenance, Boiling water reactors, Compression, Nickel alloys, Pressurized water reactors, Stainless steel
Journal Articles

Technical Basis for Flaw Acceptance Criteria for Cast Austenitic Stainless Steel Piping

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Do Jun Shim, Nathanial Cofie, Dilipkumar Dedhia, Tim Griesbach, Kyle Amberge
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021206.
Paper No: PVT-19-1114
https://doi.org/10.1115/1.4045850
Published Online: February 24, 2020
View Articletitled, Technical Basis for Flaw Acceptance Criteria for Cast Austenitic Stainless Steel Piping
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Topics: Acceptance criteria, ASME Standards, Ferrites (Magnetic materials), Fracture toughness, Pipes, Stainless steel
Journal Articles

Finite Element Plastic Limit Loads of Complex Cracks in Pipes With Two-Layered Materials

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Da-Som Jeon, Nam-Su Huh, Do-Jun Shim, Sang-Min Lee
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2019, 141(2): 021201.
Paper No: PVT-18-1072
https://doi.org/10.1115/1.4042444
Published Online: February 21, 2019
View Articletitled, Finite Element Plastic Limit Loads of Complex Cracks in Pipes With Two-Layered Materials
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Topics: Finite element analysis, Fracture (Materials), Pipes, Stress, Tension, Pressure
Proceedings Papers

Closed-Form Stress Intensity Factor Solutions for Deep Surface Cracks in Cylinders Subjected to Global Bending

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Kisaburo Azuma, Yinsheng Li, Kunio Hasegawa, Do Jun Shim
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A072, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65198
https://doi.org/10.1115/PVP2017-65198
View Paper titled, Closed-Form Stress Intensity Factor Solutions for Deep Surface Cracks in Cylinders Subjected to Global Bending
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Topics: Cylinders, Stress, Surface cracks, Fracture (Materials), Stress corrosion cracking, Water, Alloys, ASME Boiler and Pressure Vessel Code, Crack propagation, Failure