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David J. Dewees
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Proceedings Papers

Design by Analysis in the Modernized Boiler Code

David I. Anderson, David J. Dewees
Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T04A006, April 3–5, 2018
Paper No: ETAM2018-6749
DOI: https://doi.org/10.1115/ETAM2018-6749
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Topics: Boilers, Design, American Petroleum Institute, Deformation, Heating boilers, Low temperature, Steady state, Temperature
Proceedings Papers

Creep-Fatigue Design Applied to Molten Salt Solar Receivers

Edward F. Radke, David T. Wasyluk, David J. Dewees, James M. Tanzosh
Proc. ASME. ETAM2014, ASME 2014 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, 232-247, March 25–27, 2014
Paper No: ETAM2014-1032
DOI: https://doi.org/10.1115/ETAM2014-1032
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Topics: Creep, Design, Fatigue, Solar energy, Energy generation, Flux (Metallurgy), Heat, Inelastic analysis, Materials properties, Reliability
Proceedings Papers

An R5 Based Creep-Fatigue Critical Flaw Assessment of an In-Service Reformer Piping Tee Using Finite Element Analysis

Phillip E. Prueter, David J. Dewees, Robert G. Brown
Proc. ASME. ETAM2014, ASME 2014 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, 257-276, March 25–27, 2014
Paper No: ETAM2014-1034
DOI: https://doi.org/10.1115/ETAM2014-1034
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Topics: Creep, Fatigue, Finite element analysis, Pipes, Stress, American Petroleum Institute, Cycles, Energy generation, Fitness-for-service, Fracture (Materials)
Proceedings Papers

Creep-Fatigue Damage Evaluation of Modified Grade 91 Headers Using Damage Coupled Unified Viscoplastic Model

Nazrul Islam, David J. Dewees, Michael Cooch, Tasnim Hassan
Proc. ASME. PVP2017, Volume 3B: Design and Analysis, V03BT03A049, July 16–20, 2017
Paper No: PVP2017-65851
DOI: https://doi.org/10.1115/PVP2017-65851
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Topics: Creep, Damage, Fatigue, Heat recovery steam generators, Combined cycle power stations, Constitutive equations, Damage mechanics, Design, Low cycle fatigue, Pressure
Proceedings Papers

Unified Viscoplastic Model Coupled With Damage for Evaluation of Creep-Fatigue of Grade 91 Steel

Nazrul Islam, David J. Dewees, Tasnim Hassan
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A069, July 16–20, 2017
Paper No: PVP2017-65849
DOI: https://doi.org/10.1115/PVP2017-65849
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Topics: Creep, Damage, Fatigue, Steel, American Petroleum Institute, Constitutive equations, Damage mechanics, Databases, Rupture, Viscoplasticity
Proceedings Papers

Technical Basis for the Proposed Weld Residual Stress Guidance in API 579-1/ASME FFS-1

David J. Dewees, Phillip E. Prueter, Seetha Ramudu Kummari
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A003, July 20–24, 2014
Paper No: PVP2014-28839
DOI: https://doi.org/10.1115/PVP2014-28839
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Topics: American Petroleum Institute, Fitness-for-service, Stress, Simulation, Modeling, Stress analysis (Engineering)
Proceedings Papers

A Continued Evaluation of the Role of Material Hardening Behavior for the NeT TG1 and TG4 Specimens

David J. Dewees, Phillip E. Prueter, Seetha Ramudu Kummari
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A004, July 20–24, 2014
Paper No: PVP2014-28843
DOI: https://doi.org/10.1115/PVP2014-28843
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Topics: Hardening, Fitness-for-service, Simulation, American Petroleum Institute, Finite element analysis, Kinematics, Materials testing, Modeling, Neutrons, Residual stresses
Proceedings Papers

ASME Section III Flaw Tolerance Sample Problem for Fatigue Design of Nuclear System Components

David J. Dewees, Paul Hirschberg, Wolf Reinhardt, Gary L. Stevens, David H. Roarty, Steve Gosselin, Keith Wright, Thomas M. Damiani
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A010, July 20–24, 2014
Paper No: PVP2014-28788
DOI: https://doi.org/10.1115/PVP2014-28788
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Topics: Design, Design methodology, Evaluation methods, Fatigue, Fatigue cracks, Fatigue design, Nozzles, Stainless steel, Transients (Dynamics), Water
Proceedings Papers

Review and Development of Primary Load Elevated Temperature Design Rules

David J. Dewees, Benjamin F. Hantz, IV
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A044, July 20–24, 2014
Paper No: PVP2014-28797
DOI: https://doi.org/10.1115/PVP2014-28797
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Topics: Design, Stress, Temperature, Creep, High temperature, High temperature steam, Stress-strain curves
Proceedings Papers

Assessing Flanged Joint Leakage and Tube-to-Tubesheet Joint Failure due to Fluid Temperature Differentials in a Floating Head Heat Exchanger Using Finite Element Analysis

Phillip E. Prueter, Brian Macejko, David J. Dewees, Robert G. Brown
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A023, July 14–18, 2013
Paper No: PVP2013-97576
DOI: https://doi.org/10.1115/PVP2013-97576
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Topics: Failure, Finite element analysis, Fluids, Heat exchangers, Leakage, Temperature, Gaskets, Deflection, Flanges, Heat transfer
Proceedings Papers

Evaluating Fitness-for-Service Assessment Procedures for Pressurized Components Subject to Local Thin Areas Near Structural Discontinuities

Phillip E. Prueter, David J. Dewees, Robert G. Brown
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A050, July 14–18, 2013
Paper No: PVP2013-97575
DOI: https://doi.org/10.1115/PVP2013-97575
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Topics: Fitness-for-service, American Petroleum Institute, Finite element model, Materials properties, Metals, Pressure, Stress
Proceedings Papers

Comparison of Flaw Driving Force Estimates in Simulated Weld Residual Stress Fields

David J. Dewees, Robert H. Dodds, Jr.
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A061, July 14–18, 2013
Paper No: PVP2013-97410
DOI: https://doi.org/10.1115/PVP2013-97410
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Topics: Stress, Fracture (Materials), Displacement, Modeling
Proceedings Papers

Comparison of Heat Input Methods in Welding Residual Stress Analysis

David J. Dewees
Proc. ASME. PVP2012, Volume 1: Codes and Standards, 677-686, July 15–19, 2012
Paper No: PVP2012-78574
DOI: https://doi.org/10.1115/PVP2012-78574
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Topics: Heat, Stress analysis (Engineering), Welding, Heat transfer, Stress, Fitness-for-service, Modeling, Finite element analysis, Gaussian distribution, Simulation
Proceedings Papers

Elastic-Plastic Fatigue Evaluation of a Heavy Wall Nozzle Subject to Rapid Thermal Transients

David J. Dewees, S. Michael Cooch
Proc. ASME. PVP2012, Volume 1: Codes and Standards, 851-860, July 15–19, 2012
Paper No: PVP2012-78359
DOI: https://doi.org/10.1115/PVP2012-78359
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Topics: Fatigue, Nozzles, Transients (Dynamics), Cycles, Design, Stress analysis (Engineering), Thermal stresses
Proceedings Papers

Examining Computational Techniques to Simulate the Effects of External Chemical Explosions Using Explicit Finite Element Analysis

Phillip E. Prueter, David J. Dewees, Robert G. Brown
Proc. ASME. PVP2012, Volume 2: Computer Technology and Bolted Joints, 101-110, July 15–19, 2012
Paper No: PVP2012-78566
DOI: https://doi.org/10.1115/PVP2012-78566
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Topics: Explosions, Finite element analysis, Damage, Acoustics, Computational methods, Dynamic response, Pressure vessels, Reflection, Risk, Shock waves
Proceedings Papers

Comparison of 2D and 3D Welding Simulations of a Simple Plate

David J. Dewees
Proc. ASME. PVP2012, Volume 2: Computer Technology and Bolted Joints, 273-281, July 15–19, 2012
Paper No: PVP2012-78573
DOI: https://doi.org/10.1115/PVP2012-78573
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Topics: Engineering simulation, Simulation, Welding, Approximation, Boundary-value problems, Computer software, Computers, Displacement, Finite element analysis, Heat
Proceedings Papers

Finite Element Based Analysis of Bolted Joints Under Extreme Loading Conditions

Seetha Ramudu Kummari, David J. Dewees, Robert G. Brown
Proc. ASME. PVP2012, Volume 3: Design and Analysis, 211-217, July 15–19, 2012
Paper No: PVP2012-78541
DOI: https://doi.org/10.1115/PVP2012-78541
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Topics: Bolted joints, Finite element analysis, Design, ASME Standards, Computer software, Gaskets, Heat exchangers, Leakage, Plasticity, Work hardening
Proceedings Papers

Case History Fitness-for-Service Assessment of Cyclic Catalytic Reformer Motor Operated Valves in the Petrochemical Industry

Nick A. Carr, Kraig S. Shipley, David J. Dewees
Proc. ASME. PVP2011, Volume 3: Design and Analysis, 775-821, July 17–21, 2011
Paper No: PVP2011-57660
DOI: https://doi.org/10.1115/PVP2011-57660
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Topics: Engines, Fitness-for-service, Motors, Petrochemicals, Valves, Temperature, American Petroleum Institute, Catalysts, Cracking (Materials), Cycles
Proceedings Papers

Case History Using Advanced Analysis to Evaluate Fitness-for-Service of Cyclic Vessels in the Petrochemical Industry

Robert G. Brown, David J. Dewees
Proc. ASME. PVP2011, Volume 3: Design and Analysis, 759-774, July 17–21, 2011
Paper No: PVP2011-57657
DOI: https://doi.org/10.1115/PVP2011-57657
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Topics: Fitness-for-service, Petrochemicals, Vessels, American Petroleum Institute, Brittle fracture, Decision making, Maintenance, Numerical analysis, Pressure, Stress
Proceedings Papers

Application of CFD to Solve Difficult Industry Thermal Stress Problems

David J. Dewees
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 3, 1017-1030, July 18–22, 2010
Paper No: PVP2010-25638
DOI: https://doi.org/10.1115/PVP2010-25638
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Topics: Computational fluid dynamics, Thermal stresses, Heat transfer, Temperature, Temperature measurement, Fluids, Stress, Temperature gradient