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Proceedings Papers

A Study on the Difference in Wave Statistics Based on Storm Model for the Ship Structural Assessment

Luis De Gracia, Helong Wang, Wengang Mao, Naoki Osawa

Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A040, August 3–7, 2020

Paper No: OMAE2020-19048

DOI: https://doi.org/10.1115/OMAE2020-19048

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Topics: Fatigue, Optimization, Ships, Statistics, Storms, Waves

Proceedings Papers

Comparative Study on Fatigue Damage Assessment of a Structure Member in a Bulk Carrier Using Various Environmental Conditions

Fredhi Agung Prasetyo, Naoki Osawa, Mohammad Arif Kurniawan, Siti Komariyah

Proc. ASME. OMAE2019, Volume 3: Structures, Safety, and Reliability, V003T02A041, June 9–14, 2019

Paper No: OMAE2019-96760

DOI: https://doi.org/10.1115/OMAE2019-96760

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Topics: Electromagnetic scattering, Fatigue damage, North Atlantic Ocean, Storms, Waves

Proceedings Papers

Stability of Compressive Residual Stress Introduced by HFMI Technique

Hector Olmedo Ruiz Valdes, Naoki Osawa, Hidekazu Murakawa, Sherif Rashed

Proc. ASME. OMAE2018, Volume 4: Materials Technology, V004T03A019, June 17–22, 2018

Paper No: OMAE2018-77887

DOI: https://doi.org/10.1115/OMAE2018-77887

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Topics: Stability, Stress, Shot peening, Residual stresses, Impact, Welded joints, Construction, Crack propagation, Fatigue life, Fatigue strength

Proceedings Papers

A Study on the Stochastic Aspects of the Whipping Vibrations in a Container Ship

Luis De Gracia, Naoki Osawa, Kazuhiro Iijima, Toichi Fukasawa, Hitoi Tamaru

Proc. ASME. OMAE2018, Volume 3: Structures, Safety, and Reliability, V003T02A027, June 17–22, 2018

Paper No: OMAE2018-77888

DOI: https://doi.org/10.1115/OMAE2018-77888

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Topics: Containers, Ships, Vibration, Design, Seas, Stress, Waves, Probability, Engineering simulation, Finite element analysis

Proceedings Papers

Prediction of Distortion Produced in Welded Structures During Straightening Process Using the Inherent Strain Method

Hector Olmedo Ruiz Valdes, Naoki Osawa, Hidekazu Murakawa, Sherif Rashed

Proc. ASME. OMAE2016, Volume 9: Prof. Norman Jones Honoring Symposium on Impact Engineering; Prof. Yukio Ueda Honoring Symposium on Idealized Nonlinear Mechanics for Welding and Strength of Structures, V009T13A007, June 19–24, 2016

Paper No: OMAE2016-54743

DOI: https://doi.org/10.1115/OMAE2016-54743

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Topics: Computer simulation, Computer software, Deformation, Heating, Shells, Simulation, Stiffness, Stress, Welding

Proceedings Papers

Development of Under-Film Corrosion Simulation Method Based on Cellular Automaton

Naoki Osawa, Yasuhide Kanou, Yasumi Kawamura, Atsushi Takada, Kazuhiko Shiotani, Seiru Takeno, Shino Katayama, Kristov Ivan William

Proc. ASME. OMAE2016, Volume 4: Materials Technology, V004T03A002, June 19–24, 2016

Paper No: OMAE2016-54508

DOI: https://doi.org/10.1115/OMAE2016-54508

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Topics: Corrosion, Robots, Simulation, Steel, Coating processes, Coatings, Epoxy adhesives, Epoxy resins, Failure, Information Analysis Centers

Proceedings Papers

Influence of Different Wave Load Sequence Models on Fatigue Life Prediction of Ship Structures Based on Fracture Mechanics Approach

Luis De Gracia, Naoki Osawa, Wengang Mao, Daichi Ichihashi

Proc. ASME. OMAE2016, Volume 3: Structures, Safety and Reliability, V003T02A030, June 19–24, 2016

Paper No: OMAE2016-54688

DOI: https://doi.org/10.1115/OMAE2016-54688

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Topics: Fatigue life, Fracture mechanics, Ships, Stress, Waves, Fatigue, Fatigue cracks, Seas, Containers, Crack propagation

Proceedings Papers

Uncertainties of Crack Propagation Analysis in Ship Structures

Wengang Mao, Jingxia Yue, Da Wu, Luis De Gracia, Naoki Osawa

Proc. ASME. OMAE2016, Volume 3: Structures, Safety and Reliability, V003T02A024, June 19–24, 2016

Paper No: OMAE2016-54226

DOI: https://doi.org/10.1115/OMAE2016-54226

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Topics: Crack propagation, Ships, Uncertainty, Fracture (Materials), Waves, Fatigue life, Fracture mechanics, Cycles, Dynamic testing (Materials), Fatigue cracks

Proceedings Papers

Numerical Estimation on Stress Intensity Factors for Surface Cracks in a Welding Residual Stress Field

Ramy Gadallah, Naoki Osawa, Satoyuki Tanaka

Proc. ASME. OMAE2016, Volume 3: Structures, Safety and Reliability, V003T02A026, June 19–24, 2016

Paper No: OMAE2016-54495

DOI: https://doi.org/10.1115/OMAE2016-54495

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Topics: Stress, Surface cracks, Welding, Fracture (Materials), Traction, Flat plates, Dimensions, Finite element analysis

Proceedings Papers

Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt

Naoki Osawa, Yoshinobu Yamamoto, Tomoaki Kunugi

Proc. ASME. ICONE22, Volume 6: Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls (I&C); Fusion Engineering; Beyond Design Basis Events, V006T14A005, July 7–11, 2014

Paper No: ICONE22-30653

DOI: https://doi.org/10.1115/ICONE22-30653

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Topics: Databases, Design, Magnetohydrodynamics, Modeling, Reynolds-averaged Navier–Stokes equations, Turbulence, Channel flow, Computer simulation, Fluid dynamics, Fluids

Proceedings Papers

Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt

Naoki Osawa, Yoshinobu Yamamoto, Tomoaki Kunugi

Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A049, July 7–11, 2014

Paper No: ICONE22-30712

DOI: https://doi.org/10.1115/ICONE22-30712

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Topics: Databases, Design, Magnetohydrodynamics, Modeling, Reynolds-averaged Navier–Stokes equations, Turbulence, Channel flow, Computer simulation, Fluid dynamics, Fluids

Proceedings Papers

Experimental Study on High Frequency Effect on Fatigue Strength of Welded Joints by Using Plate-Bending-Vibration Type Fatigue Testing Machines

Naoki Osawa, Tetsuya Nakamura, Norio Yamamoto, Junji Sawamura

Proc. ASME. OMAE2014, Volume 4B: Structures, Safety and Reliability, V04BT02A003, June 8–13, 2014

Paper No: OMAE2014-23856

DOI: https://doi.org/10.1115/OMAE2014-23856

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Topics: Fatigue strength, Fatigue testing, Machinery, Vibration, Welded joints, Stress, Cycles, Fatigue damage, Fatigue life, Ships

Proceedings Papers

A Comparison of Two Wave Models and Their Influence on Fatigue Damage in Ship Structures

Wengang Mao, Fredhi Agung Prasetyo, Jonas W. Ringsberg, Naoki Osawa

Proc. ASME. OMAE2013, Volume 2A: Structures, Safety and Reliability, V02AT02A010, June 9–14, 2013

Paper No: OMAE2013-10114

DOI: https://doi.org/10.1115/OMAE2013-10114

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Topics: Fatigue, Fatigue damage, Ships, Stress, Waves

Proceedings Papers

Development of a New Fatigue Testing Machine for High Frequency Fatigue Damage Assessment

Naoki Osawa, Tetsuya Nakamura, Norio Yamamoto, Junji Sawamura

Proc. ASME. OMAE2013, Volume 2B: Structures, Safety and Reliability, V02BT02A051, June 9–14, 2013

Paper No: OMAE2013-11582

DOI: https://doi.org/10.1115/OMAE2013-11582

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Topics: Fatigue damage, Fatigue testing, Machinery, Waves, Vibration, Stress, Welded joints, Motors, Servomechanisms, Testing

Journal citation

NARROW

A Study on the Difference in Wave Statistics Based on Storm Model for the Ship Structural Assessment

Comparative Study on Fatigue Damage Assessment of a Structure Member in a Bulk Carrier Using Various Environmental Conditions

Stability of Compressive Residual Stress Introduced by HFMI Technique

A Study on the Stochastic Aspects of the Whipping Vibrations in a Container Ship

Prediction of Distortion Produced in Welded Structures During Straightening Process Using the Inherent Strain Method

Development of Under-Film Corrosion Simulation Method Based on Cellular Automaton

Influence of Different Wave Load Sequence Models on Fatigue Life Prediction of Ship Structures Based on Fracture Mechanics Approach

Uncertainties of Crack Propagation Analysis in Ship Structures

Numerical Estimation on Stress Intensity Factors for Surface Cracks in a Welding Residual Stress Field

Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt

Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt

Experimental Study on High Frequency Effect on Fatigue Strength of Welded Joints by Using Plate-Bending-Vibration Type Fatigue Testing Machines

A Comparison of Two Wave Models and Their Influence on Fatigue Damage in Ship Structures

Development of a New Fatigue Testing Machine for High Frequency Fatigue Damage Assessment

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