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K. Nakacho
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Journal Articles

A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part II: The Characteristics of Reduction of Welding Residual Stresses in Very Thick Joints During SR Treatment

K. Nakacho, Y. Ueda
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 1999, 121(1): 11–16.
https://doi.org/10.1115/1.2883659
Published Online: February 1, 1999
View Article titled, A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part II: The Characteristics of Reduction of Welding Residual Stresses in Very Thick Joints During SR Treatment
Open the PDF for A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part II: The Characteristics of Reduction of Welding Residual Stresses in Very Thick Joints During SR Treatment in another window
Topics: Annealing, Residual stresses, Stress, Welded joints, Welding, Relaxation (Physics), Boundary-value problems, Creep, Finite element methods, Manufacturing
Journal Articles

A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part I: Development of the Analytical Method for Relaxation Tests and Its Applicability

K. Nakacho, Y. Ueda
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. August 1996, 118(3): 343–350.
https://doi.org/10.1115/1.2842198
Published Online: August 1, 1996
View Article titled, A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part I: Development of the Analytical Method for Relaxation Tests and Its Applicability
Open the PDF for A Simple Estimating Method for Reduction of Welding Residual Stresses in Thick Welded Joint From Stress-Relief Annealing—Part I: Development of the Analytical Method for Relaxation Tests and Its Applicability in another window
Topics: Annealing, Relaxation (Physics), Residual stresses, Stress, Welded joints, Welding, Boundary-value problems, Finite element methods, Manufacturing, Pressure vessels
Journal Articles

An Improved Joint Model and Equations for Flexibility of Tubular Joints

Y. Ueda, S. M. H. Rashed, K. Nakacho
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. May 1990, 112(2): 157–168.
https://doi.org/10.1115/1.2919850
Published Online: May 1, 1990
View Article titled, An Improved Joint Model and Equations for Flexibility of Tubular Joints
Open the PDF for An Improved Joint Model and Equations for Flexibility of Tubular Joints in another window
Topics: Tubular joints, Stiffness, Bracing (Construction), Compression, Displacement, Finite element analysis, Stress
Journal Articles

Improvement of Residual Stresses of Circumferential Joint of Pipe by Heat-Sink Welding

Y. Ueda, K. Nakacho, T. Shimizu
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 1986, 108(1): 14–23.
https://doi.org/10.1115/1.3264746
Published Online: February 1, 1986
View Article titled, Improvement of Residual Stresses of Circumferential Joint of Pipe by Heat-Sink Welding
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Topics: Heat sinks, Pipes, Residual stresses, Welding, Stress, Compression, Cooling, Cracking (Materials), Fracture (Process), Heat
Journal Articles

New Efficient and Accurate Method of Nonlinear Analysis of Offshore Tubular Frames (the Idealized Structural Unit Method)

Y. Ueda, S. M. H. Rashed, K. Nakacho
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1985, 107(2): 204–211.
https://doi.org/10.1115/1.3231178
Published Online: June 1, 1985
View Article titled, New Efficient and Accurate Method of Nonlinear Analysis of Offshore Tubular Frames (the Idealized Structural Unit Method)
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Topics: Ocean engineering, Collapse, Computers, Deflection, Modeling, Plasticity, Reliability, Residual stresses