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Masahiko Fujikubo
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Proceedings Papers

A Simple Estimation Method for Ultimate Strength of Curved Plates Under Axial Compression

Daisuke Shiomitsu, Kinya Ishibashi, Fuminori Yanagimoto, Masahiko Fujikubo
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A057, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-102688
https://doi.org/10.1115/OMAE2023-102688
View Paper titled, A Simple Estimation Method for Ultimate Strength of Curved Plates Under Axial Compression
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Topics: Compression, Plates (structures), Tensile strength
Proceedings Papers

A Kalman Filtering Technique for Prediction of Wave Time Histories Around Ship Based on Response Measurements and its Experimental Validation

Yusuke Komoriyama, Kazuhiro Iijima, Masahiko Fujikubo
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A048, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-82308
https://doi.org/10.1115/OMAE2022-82308
View Paper titled, A Kalman Filtering Technique for Prediction of Wave Time Histories Around Ship Based on Response Measurements and its Experimental Validation
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Topics: Filtration, Kalman filters, Ships, Waves
Proceedings Papers

Estimation of Still-Water Bending Moment of Ship Hull Girder Using Beam Finite Element Model and Ensemble Kalman Filter

Akira Tatsumi, Kazuhiro Iijima, Masahiko Fujikubo
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A017, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78630
https://doi.org/10.1115/OMAE2022-78630
View Paper titled, Estimation of Still-Water Bending Moment of Ship Hull Girder Using Beam Finite Element Model and Ensemble Kalman Filter
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Topics: Finite element model, Girders, Hull, Kalman filters, Ships, Stress, Water
Proceedings Papers

Collapse Analysis of Ship Hull Girder Using Hydro-Elastoplastic Beam Model: Part 2

Han Htoo Htoo Ko, Akira Tatsumi, Kazuhiro Iijima, Masahiko Fujikubo
Proc. ASME. OMAE2020, Volume 2B: Structures, Safety, and Reliability, V02BT02A032, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-19201
https://doi.org/10.1115/OMAE2020-19201
View Paper titled, Collapse Analysis of Ship Hull Girder Using Hydro-Elastoplastic Beam Model: Part 2
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Topics: Collapse, Girders, Hull, Ships
Proceedings Papers

Fatigue Evaluation of Drill Pipes for Scientific Drilling Program by Applying Non-Stop Driller Concept

Tomoya Inoue, Masahiko Fujikubo, Kenji Nakano, Noriaki Sakurai
Proc. ASME. OMAE2019, Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, V008T11A009, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95896
https://doi.org/10.1115/OMAE2019-95896
View Paper titled, Fatigue Evaluation of Drill Pipes for Scientific Drilling Program by Applying Non-Stop Driller Concept
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Topics: Drilling, Drills (Tools), Fatigue, Pipes
Journal Articles

Effects of Weather Routing on Maximum Vertical Bending Moment in a Ship Taking Account of Wave-Induced Vibrations

Kazuhiro Iijima, Rika Ueda, Hitoi Tamaru, Masahiko Fujikubo
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. June 2019, 141(3): 031101.
Paper No: OMAE-18-1004
https://doi.org/10.1115/1.4041997
Published Online: January 17, 2019
View Article titled, Effects of Weather Routing on Maximum Vertical Bending Moment in a Ship Taking Account of Wave-Induced Vibrations
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Topics: Seas, Ships, Vibration, Waves
Proceedings Papers

Elasto-Plastic Beam Afloat on Water Subjected to Waves

Kazuhiro Iijima, Akira Tatsumi, Masahiko Fujikubo
Proc. ASME. OMAE2018, Volume 9: Offshore Geotechnics; Honoring Symposium for Professor Bernard Molin on Marine and Offshore Hydrodynamics, V009T13A016, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-78646
https://doi.org/10.1115/OMAE2018-78646
View Paper titled, Elasto-Plastic Beam Afloat on Water Subjected to Waves
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Topics: Water, Waves, Collapse, Floating structures, Potential theory (Physics)
Proceedings Papers

Effects of Cumulative Buckling Deformation Formed by Cyclic Loading on Ultimate Strength of Stiffened Panel

Yusuke Komoriyama, Yoshiteru Tanaka, Takahiro Ando, Yutaka Hashizume, Akira Tatsumi, Masahiko Fujikubo
Proc. ASME. OMAE2018, Volume 3: Structures, Safety, and Reliability, V003T02A089, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77855
https://doi.org/10.1115/OMAE2018-77855
View Paper titled, Effects of Cumulative Buckling Deformation Formed by Cyclic Loading on Ultimate Strength of Stiffened Panel
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Topics: Buckling, Deformation, Tensile strength, Compression, Finite element methods, Stress, Computer software, Cycles, Magnetic resonance imaging
Proceedings Papers

Collapse Analysis of Ship Hull Girder Using Hydro-Elastoplastic Beam Model

Han Htoo Htoo Ko, Akira Tatsumi, Kazuhiro Iijima, Masahiko Fujikubo
Proc. ASME. OMAE2018, Volume 11B: Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering, V11BT12A040, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77497
https://doi.org/10.1115/OMAE2018-77497
View Paper titled, Collapse Analysis of Ship Hull Girder Using Hydro-Elastoplastic Beam Model
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Topics: Collapse, Girders, Hull, Ships, Stress, Buckling, Cross section (Physics), Structural elements (Construction), Boundary element methods, Deformation
Proceedings Papers

Numerical Investigation Into Uncertainty of Wave-Induced Vibration of Large Container Ships due to Ship Operation

Kazuhiro Iijima, Rika Ueda, Masahiko Fujikubo
Proc. ASME. OMAE2017, Volume 9: Offshore Geotechnics; Torgeir Moan Honoring Symposium, V009T12A046, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-62336
https://doi.org/10.1115/OMAE2017-62336
View Paper titled, Numerical Investigation Into Uncertainty of Wave-Induced Vibration of Large Container Ships due to Ship Operation
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Topics: Containers, Ships, Uncertainty, Vibration, Waves, Stress, Time series, Accounting, Engineering simulation, Seas
Proceedings Papers

Estimation of Elastic Buckling Strength of a Non-Spherical Tank in the Partially Filled Condition

Atsushi Sano, Naoya Matsubara, Naruyoshi Izumi, Masahiko Fujikubo
Proc. ASME. OMAE2017, Volume 3B: Structures, Safety and Reliability, V03BT02A042, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61397
https://doi.org/10.1115/OMAE2017-61397
View Paper titled, Estimation of Elastic Buckling Strength of a Non-Spherical Tank in the Partially Filled Condition
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Topics: Buckling, Stress, Shells, Compression, Finite element analysis, Liquefied natural gas, Membranes, Shapes, Spherical shells, Tension
Proceedings Papers

Collapse Analysis of Ship Hull Girder in Waves Using Idealized Structural Unit Method

Masahiko Fujikubo, Kazuhiro Iijima, Zhiyong Pei, Han Htoo Htoo Ko
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, V009T13A012, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54494
https://doi.org/10.1115/OMAE2016-54494
View Paper titled, Collapse Analysis of Ship Hull Girder in Waves Using Idealized Structural Unit Method
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Topics: Collapse, Girders, Hull, Ships, Waves, Buckling, Displacement, Finite element analysis, Shapes, Stress
Proceedings Papers

Idealized Structural Unit Method: A Review of the Current Formulation

Anna Oksina, Thomas Lindemann, Patrick Kaeding, Masahiko Fujikubo
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, V009T13A008, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54186
https://doi.org/10.1115/OMAE2016-54186
View Paper titled, Idealized Structural Unit Method: A Review of the Current Formulation
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Topics: Buckling, Collapse, Computer technology, Dimensions, Finite element analysis, Finite element methods, Girders, Hull, Load bearing capacity, Plates (structures)
Proceedings Papers

Effect of Combined Shear Stresses on the Ultimate Axial Response of the Double Bottom of a Containership

Marco Gaiotti, Riccardo Bacoccoli, Masahiko Fujikubo, Cesare Mario Rizzo
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, V009T13A013, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54908
https://doi.org/10.1115/OMAE2016-54908
View Paper titled, Effect of Combined Shear Stresses on the Ultimate Axial Response of the Double Bottom of a Containership
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Topics: Accidents, Finite element model, Girders, Hull, Shear (Mechanics), Shear stress, Ships, Stress, Tensile strength
Proceedings Papers

Analysis Method of Ultimate Strength of Ship Hull Girder Under Combined Loads: Application to an Existing Container Ship

Yoshiteru Tanaka, Yutaka Hashizume, Hiroaki Ogawa, Akira Tatsumi, Masahiko Fujikubo
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, V009T13A016, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54402
https://doi.org/10.1115/OMAE2016-54402
View Paper titled, Analysis Method of Ultimate Strength of Ship Hull Girder Under Combined Loads: Application to an Existing Container Ship
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Topics: Containers, Girders, Hull, Ships, Stress, Tensile strength, Torsion, Finite element methods, Bending strength, Collapse
Proceedings Papers

Hydro-Elastoplastic Analysis for Predicting Collapse Behavior of VLFS Under Large Waves

Kazuhiro Iijima, Megumi Sakai, Masahiko Fujikubo, Akira Tatsumi
Proc. ASME. OMAE2016, Volume 6: Ocean Space Utilization; Ocean Renewable Energy, V006T05A022, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54890
https://doi.org/10.1115/OMAE2016-54890
View Paper titled, Hydro-Elastoplastic Analysis for Predicting Collapse Behavior of VLFS Under Large Waves
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Topics: Collapse, Waves, Deformation, Finite element methods, Stress, Floating structures, Fluids, Hinges, Potential theory (Physics), Risk analysis
Proceedings Papers

Buckling/Ultimate Strength Evaluation for Continuous Stiffened Panel Under Combined Shear and Thrust

Hiroaki Ogawa, Tomoki Takami, Akira Tatsumi, Yoshiteru Tanaka, Shinichi Hirakawa, Masahiko Fujikubo
Proc. ASME. OMAE2016, Volume 3: Structures, Safety and Reliability, V003T02A088, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54306
https://doi.org/10.1115/OMAE2016-54306
View Paper titled, Buckling/Ultimate Strength Evaluation for Continuous Stiffened Panel Under Combined Shear and Thrust
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Topics: Buckling, Shear (Mechanics), Tensile strength, Thrust, Collapse, Finite element methods, Finite element model, Modeling
Proceedings Papers

Finite Element Analysis of Longitudinal Bending Collapse of Container Ship Considering Bottom Local Loads

Akira Tatsumi, Masahiko Fujikubo
Proc. ASME. OMAE2016, Volume 3: Structures, Safety and Reliability, V003T02A094, June 19–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2016-54747
https://doi.org/10.1115/OMAE2016-54747
View Paper titled, Finite Element Analysis of Longitudinal Bending Collapse of Container Ship Considering Bottom Local Loads
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Topics: Collapse, Containers, Finite element analysis, Ships, Stress, Girders, Hull, Tensile strength, Compressive stress, Finite element methods
Journal Articles

Influence of Model Geometry and Boundary Conditions on the Ultimate Strength of Stiffened Panels Under Uniaxial Compressive Loading

Ming Cai Xu, Masahiko Fujikubo, C. Guedes Soares
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. November 2013, 135(4): 041603.
Paper No: OMAE-12-1049
https://doi.org/10.1115/1.4024710
Published Online: September 4, 2013
View Article titled, Influence of Model Geometry and Boundary Conditions on the Ultimate Strength of Stiffened Panels Under Uniaxial Compressive Loading
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Topics: Boundary-value problems, Collapse, Tensile strength, Thrust, Stress, Finite element analysis, Pressure
Proceedings Papers

Influence of Model Geometry and Boundary Conditions on the Ultimate Strength of Stiffened Panels Under Uniaxial Compressive Loading

Mingcai Xu, Masahiko Fujikubo, C. Guedes Soares
Proc. ASME. OMAE2012, Volume 2: Structures, Safety and Reliability, 737-744, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-84262
https://doi.org/10.1115/OMAE2012-84262
View Paper titled, Influence of Model Geometry and Boundary Conditions on the Ultimate Strength of Stiffened Panels Under Uniaxial Compressive Loading
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Topics: Boundary-value problems, Geometry, Tensile strength, Finite element analysis, Collapse, Stress-strain relations, Tension