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Proceedings Papers

Influence of Phase Transformations on Residual Stresses in Welded Structures

R. J. Dennis, R. Kulka, O. Muransky, M. C. Smith
Proc. ASME. PVP2013, Volume 6B: Materials and Fabrication, V06BT06A079, July 14–18, 2013
Paper No: PVP2013-97684
DOI: https://doi.org/10.1115/PVP2013-97684
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Topics: Phase transitions, Residual stresses, Computer simulation, High temperature, Steel, Accounting, Annealing, Cooling, Hardening, Performance
Proceedings Papers

Modelling the Complex Manufacturing History of a Pipework Joint and Assessment of Its Through Life Creep-Fatigue Damage Using Finite Element Based Methods

D. P. Bray, R. J. Dennis, R. A. W. Bradford
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 401-419, July 18–22, 2010
Paper No: PVP2010-25702
DOI: https://doi.org/10.1115/PVP2010-25702
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Topics: Creep, Damage, Fatigue, Finite element analysis, Manufacturing, Modeling, Pipe joints, Stress, Boilers, Construction
Proceedings Papers

R6 Weld Modelling Guidelines: Application to Groove Weld Worked Example

R. J. Dennis, N. A. Leggatt, M. C. Smith, P. J. Bouchard
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 1435-1448, July 18–22, 2010
Paper No: PVP2010-25775
DOI: https://doi.org/10.1115/PVP2010-25775
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Topics: Modeling, Stainless steel, Stress, Stress analysis (Engineering), Arc welding, Nuclear industry, Pipes, Reactor vessels, Welded joints
Proceedings Papers

Prediction of Welding Residual Stresses, Crack Initiation and Creep Crack Driving Forces C(t) Within a Continuous Finite Element Solution

D. P. Bray, R. J. Dennis, M. C. Smith
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 387-399, July 18–22, 2010
Paper No: PVP2010-25699
DOI: https://doi.org/10.1115/PVP2010-25699
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Topics: Creep, Finite element analysis, Fracture (Materials), Residual stresses, Welding, Simulation, Damage, Stress, Boilers, Finite element model
Proceedings Papers

Investigation of the Performance of the Contour Residual Stress Measurement Method When Applied to Welded Pipe Structures

R. J. Dennis, N. A. Leggatt, E. A. Kutarski
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 457-467, July 26–30, 2009
Paper No: PVP2009-77470
DOI: https://doi.org/10.1115/PVP2009-77470
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Topics: Pipes, Stress, Cutting, Residual stresses, Drilling, Finite element analysis, Flat plates, Maintenance, Optimization, Plasticity
Proceedings Papers

Residual Stress Relaxation in a Tube Attachment Weld Inside a Pressure Vessel Forging During Post Weld Heat Treatment

P. R. Hurrell, J. Davies, N. A. Leggatt, R. J. Dennis, R. H. Leggatt
Proc. ASME. PVP2007, Volume 6: Materials and Fabrication, 873-881, July 22–26, 2007
Paper No: PVP2007-26290
DOI: https://doi.org/10.1115/PVP2007-26290
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Topics: Forging, Heat treating (Metalworking), Pressure vessels, Relaxation (Physics), Stress, Creep, Steel, Cycles, Drilling, Finite element analysis
Proceedings Papers

Assessment of the Influence of Plasticity and Constraint on Measured Residual Stresses Using the Contour Method

R. J. Dennis, D. P. Bray, N. A. Leggatt, M. Turski
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 477-485, July 27–31, 2008
Paper No: PVP2008-61490
DOI: https://doi.org/10.1115/PVP2008-61490
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Topics: Plasticity, Residual stresses, Cutting, Stress, Drilling, Finite element analysis, Relaxation (Physics), Simulation, Uncertainty
Proceedings Papers

Simulation of Quenching in Aluminium and Comparison With Neutron Diffraction Measurements

R. J. Dennis, S. Phillips, C. E. Truman, A. Stiles, R. Plant
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 487-493, July 27–31, 2008
Paper No: PVP2008-61491
DOI: https://doi.org/10.1115/PVP2008-61491
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Topics: Aluminum, Neutron diffraction, Quenching (Metalworking), Simulation, Residual stresses, Stress, Finite element methods, Design, Heat treating (Metalworking), Water
Proceedings Papers

Numerical Methods to Predict Distortion in Welded Components

N. A. Leggatt, R. J. Dennis, P. J. Bouchard, M. C. Smith
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 495-503, July 27–31, 2008
Paper No: PVP2008-61497
DOI: https://doi.org/10.1115/PVP2008-61497
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Topics: Numerical analysis, Stress, Welding, American Petroleum Institute, Deformation, Disks, Manufacturing, Welded joints
Proceedings Papers

Numerical Methods for Welding Simulation: The Next Technical Step

N. A. Leggatt, R. J. Dennis, M. C. Smith, P. J. Bouchard
Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 505-516, July 27–31, 2008
Paper No: PVP2008-61498
DOI: https://doi.org/10.1115/PVP2008-61498
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Topics: Numerical analysis, Simulation, Welding, Heat, Stress, Hardware, Maintenance
Proceedings Papers

3-Dimensional Repair Weld Simulations: Bead Sequencing Studies

C. D. Elcoate, R. J. Dennis, P. J. Bouchard, M. C. Smith
Proc. ASME. PVP2004, Residual Stress, Fracture, and Stress Corrosion Cracking, 9-17, July 25–29, 2004
Paper No: PVP2004-2643
DOI: https://doi.org/10.1115/PVP2004-2643
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Topics: Maintenance, Simulation, Modeling, Heat, Stress, Approximation, Flat plates, Boundary-value problems, Metals, Stainless steel
Proceedings Papers

Application of Modern Weld Modelling Techniques in the Design of a Ring Weld Reheat Cracking Test Specimen

R. J. Dennis, L. E. Easterbrook, N. A. Leggatt
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 799-808, July 17–21, 2005
Paper No: PVP2005-71355
DOI: https://doi.org/10.1115/PVP2005-71355
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Topics: Cracking (Materials), Design, Fracture (Process), Modeling, Heat, Damage, Metals, Temperature, Welding, Creep
Proceedings Papers

Residual Stress Analysis of Tube Attachment Weld in Pressure Vessel Forging: Comparison of FE Predictions and Measurements

P. R. Hurrell, N. A. Leggatt, R. J. Dennis
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 771-780, July 17–21, 2005
Paper No: PVP2005-71315
DOI: https://doi.org/10.1115/PVP2005-71315
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Topics: Forging, Pressure vessels, Stress analysis (Engineering), Stress, Welded joints, Compressive stress, Creep, Drilling, Finite element analysis, Finite element model
Proceedings Papers

Residual Stress Analysis of Tube Attachment Weld in Pressure Vessel Forging: Baseline FE Analysis and Sensitivity Studies

N. A. Leggatt, R. J. Dennis, P. R. Hurrell
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 781-790, July 17–21, 2005
Paper No: PVP2005-71326
DOI: https://doi.org/10.1115/PVP2005-71326
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Topics: Finite element analysis, Forging, Pressure vessels, Stress analysis (Engineering), Hardening, Welding, Heat, Stress, Temperature, Vessels
Proceedings Papers

Optimisation of Weld Modelling Techniques: Bead-on-Plate Analysis

R. J. Dennis, N. A. Leggatt, A. Gregg
Proc. ASME. PVP2006-ICPVT-11, Volume 6: Materials and Fabrication, 967-978, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-93907
DOI: https://doi.org/10.1115/PVP2006-ICPVT-11-93907
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Topics: Modeling, Optimization, Hardening, Engineering simulation, Kinematics, Residual stresses, Finite element analysis, Flat plates, Heat, Maintenance