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Thomas A. Duffey
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Proceedings Papers

Pseudo-Ratcheting and Shakedown in Impulsively Loaded Vessels

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Thomas A. Duffey, Kevin R. Fehlmann, Joshem C. Gibson
Proc. ASME. PVP2022, Volume 3: Fluid-Structure Interaction; High Pressure Technology, V003T05A013, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-78698
https://doi.org/10.1115/PVP2022-78698
View Paper titled, Pseudo-Ratcheting and Shakedown in Impulsively Loaded Vessels
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Topics: Vessels
Proceedings Papers

A Proposed Methodology for ECV Fitness-for-Service Evaluation

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Thomas A. Duffey, Joshem C. Gibson
Proc. ASME. PVP2021, Volume 3: Fluid Structure Interaction; High Pressure Technology, V003T05A012, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-60441
https://doi.org/10.1115/PVP2021-60441
View Paper titled, A Proposed Methodology for ECV Fitness-for-Service Evaluation
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Topics: Fitness-for-service
Journal Articles

Fitness-for-Service Strategies for Impulsively Loaded Vessels

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Thomas A. Duffey, Kevin R. Fehlmann
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. June 2021, 143(3): 031201.
Paper No: PVT-20-1064
https://doi.org/10.1115/1.4048071
Published Online: October 7, 2020
View Articletitled, Fitness-for-Service Strategies for Impulsively Loaded Vessels
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Topics: Cycles, Fitness-for-service, Fracture (Materials), Stress, Vessels, American Petroleum Institute, ASME Standards, Containment vessels, Fatigue, Explosives
Proceedings Papers

Fitness-for-Service Strategies for Impulsively Loaded Vessels

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Thomas A. Duffey, Kevin R. Fehlmann
Proc. ASME. PVP2019, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 27th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD), V005T05A021, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93116
https://doi.org/10.1115/PVP2019-93116
View Paper titled, Fitness-for-Service Strategies for Impulsively Loaded Vessels
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Topics: Fitness-for-service, Vessels, Explosives, Containment vessels, Fatigue, Vibration, American Petroleum Institute, ASME Boiler and Pressure Vessel Code, ASME Standards, Damage
Proceedings Papers

Selection of Bolt Preload for Impulsively Loaded Vessels

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Thomas A. Duffey, Joseph E. D. Hess
Proc. ASME. PVP2017, Volume 5: High-Pressure Technology; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); SPC Track for Senate, V005T05A018, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65173
https://doi.org/10.1115/PVP2017-65173
View Paper titled, Selection of Bolt Preload for Impulsively Loaded Vessels
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Topics: Vessels, Pressure, Stress, Bolted joints, Containment vessels, Finite element analysis, ASME Standards, Fatigue, Finite element model, Leakage
Journal Articles

Protection Against Local Failure for Impulsively Loaded Vessels

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Alan M. Clayton, Thomas A. Duffey
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2015, 137(1): 011101.
Paper No: PVT-13-1184
https://doi.org/10.1115/1.4027307
Published Online: September 15, 2014
View Articletitled, Protection Against Local Failure for Impulsively Loaded Vessels
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Topics: Failure, Stress, Vessels, Cylinders, Damage
Proceedings Papers

Protection Against Local Failure for Impulsively Loaded Vessels

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Alan M. Clayton, Thomas A. Duffey
Proc. ASME. PVP2013, Volume 5: High-Pressure Technology; ASME NDE Division; Rudy Scavuzzo Student Paper Symposium, V005T05A015, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97043
https://doi.org/10.1115/PVP2013-97043
View Paper titled, Protection Against Local Failure for Impulsively Loaded Vessels
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Topics: Failure, Vessels, ASME Standards, Collapse, Damage mechanics, Design, Geometry, Pipes, Pressure
Proceedings Papers

Plastic Instabilities in Statically and Dynamically Loaded Spherical Vessels

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Thomas A. Duffey, Edward A. Rodriguez
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 5, 69-77, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25230
https://doi.org/10.1115/PVP2010-25230
View Paper titled, Plastic Instabilities in Statically and Dynamically Loaded Spherical Vessels
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Topics: Vessels, Spherical shells, Collapse, Constitutive equations, Pressure, ASME Standards, Damage mechanics, Design, Displacement, Failure
Proceedings Papers

Vibration Modes of Spherical Shells and Containment Vessels

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Thomas A. Duffey, Christopher Romero
Proc. ASME. PVP2002, Design and Analysis of Piping, Vessels, and Components, 177-184, August 5–9, 2002
Publisher: American Society of Mechanical Engineers
Paper No: PVP2002-1277
https://doi.org/10.1115/PVP2002-1277
View Paper titled, Vibration Modes of Spherical Shells and Containment Vessels
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Topics: Containment vessels, Spherical shells, Vibration, Computer simulation, Containment, Dynamic response, Explosions, Explosives, Nozzles, Pressure vessels
Proceedings Papers

ASME Code Ductile Failure Criteria for Impulsively Loaded Pressure Vessels

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Robert E. Nickell, Thomas A. Duffey, Edward A. Rodriguez
Proc. ASME. PVP2003, High Pressure Technology: Shaping High Pressure Technology for the Future, 73-83, July 20–24, 2003
Publisher: American Society of Mechanical Engineers
Paper No: PVP2003-1841
https://doi.org/10.1115/PVP2003-1841
View Paper titled, ASME Code Ductile Failure Criteria for Impulsively Loaded Pressure Vessels
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Topics: ASME Standards, Failure, Pressure vessels, Vessels, Design, Explosives, Failure mechanisms, High-pressure vessels, Stress
Proceedings Papers

Plastic Instabilities in Spherical Shells Under Load, Displacement, and Impulsive Loading

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Thomas A. Duffey, Derek Doyle
Proc. ASME. PVP2006-ICPVT-11, Volume 5: High Pressure Technology, Nondestructive Evaluation, Pipeline Systems, Student Paper Competition, 99-110, July 23–27, 2006
Publisher: American Society of Mechanical Engineers
Paper No: PVP2006-ICPVT-11-93727
https://doi.org/10.1115/PVP2006-ICPVT-11-93727
View Paper titled, Plastic Instabilities in Spherical Shells Under Load, Displacement, and Impulsive Loading
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Topics: Displacement, Spherical shells, Stress, Failure, Cylinders, Pipes, Plane strain, Tension
Journal Articles

Vibrations of Complete Spherical Shells With Imperfections

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Thomas A. Duffey, Jason E. Pepin, Amy N. Robertson, Michael L. Steinzig, Kimberly Coleman
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. June 2007, 129(3): 363–370.
https://doi.org/10.1115/1.2731415
Published Online: February 1, 2007
View Articletitled, Vibrations of Complete Spherical Shells With Imperfections
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Topics: Finite element analysis, Shells, Spherical shells, Vibration, Mode shapes, Accelerometers, Holography, Prisms (Optics)