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Journal Articles

Analysis on Power Flow of Lamb Waves Generated by Laser Illumination in Carbon Fiber-Reinforced Plastic Laminates

Zeping Zhang, Osamu Saito, Yoji Okabe
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2024, 7(4): 041006.
Paper No: NDE-24-1002
https://doi.org/10.1115/1.4065864
Published Online: July 18, 2024
View Article titled, Analysis on Power Flow of Lamb Waves Generated by Laser Illumination in Carbon Fiber-Reinforced Plastic Laminates
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Topics: Carbon reinforced plastics, Flow (Dynamics), Laminates, Lasers, Waves, Metals
Journal Articles

Constructing Three-Dimensional Honeycomb Structures Based on Origami Geometry

Kazuya Saito, Akinobu Fujimoto, Yoji Okabe
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. October 2023, 15(5): 051005.
Paper No: JMR-21-1315
https://doi.org/10.1115/1.4055823
Published Online: November 24, 2022
View Article titled, Constructing Three-Dimensional Honeycomb Structures Based on Origami Geometry
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Topics: Design, Honeycomb structures, Shapes
Proceedings Papers

Ultrasonic Nondestructive Evaluation Methods Applicable to High-Temperature Environments Based on Optical Fiber Remote Sensing

Yoji Okabe, Fengming Yu, Osamu Saito
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A005, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8519
https://doi.org/10.1115/LEMP2020-8519
View Paper titled, Ultrasonic Nondestructive Evaluation Methods Applicable to High-Temperature Environments Based on Optical Fiber Remote Sensing
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Topics: High temperature, Lasers, Nondestructive evaluation, Optical fiber
Proceedings Papers

Debonding Detection at Core/Skin Interfaces in a Honeycomb Sandwich Structure Using a Laser Ultrasonic Visualization Method

Enhi Sen, Osamu Saito, Nobuhiro Higuchi, Yoji Okabe
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T07A006, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: LEMP2020-8541
https://doi.org/10.1115/LEMP2020-8541
View Paper titled, Debonding Detection at Core/Skin Interfaces in a Honeycomb Sandwich Structure Using a Laser Ultrasonic Visualization Method
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Topics: Honeycomb structures, Lasers, Sandwich structures, Skin, Visualization, Waves
Journal Articles

Laser Wavelengths Suitable for Generating Ultrasonic Waves in Resin-Coated Carbon Fiber Composites

Osamu Saito, Enhi Sen, Yoji Okabe, Nobuhiro Higuchi, Hideki Ishizuki, Takunori Taira
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. August 2020, 3(3): 031103.
Paper No: NDE-19-1050
https://doi.org/10.1115/1.4046719
Published Online: April 8, 2020
View Article titled, Laser Wavelengths Suitable for Generating Ultrasonic Waves in Resin-Coated Carbon Fiber Composites
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Topics: Carbon reinforced plastics, Coating processes, Coatings, Lasers, Longitudinal waves, Resins, Ultrasonic waves, Wavelength
Journal Articles

Regenerated Fiber Bragg Grating Sensing System for Ultrasonic Detection in a 900 °C Environment

Feng-ming Yu, Yoji Okabe
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research-Article
ASME J Nondestructive Evaluation. February 2019, 2(1): 011006–011006-8.
Paper No: NDE-18-1023
https://doi.org/10.1115/1.4042259
Published Online: January 14, 2019
View Article titled, Regenerated Fiber Bragg Grating Sensing System for Ultrasonic Detection in a 900 °C Environment
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Topics: Fiber Bragg gratings, Sensors, Temperature, Diffraction gratings, Fibers, Heat, High temperature, Annealing
Proceedings Papers

Design of a 3D Wing Honeycomb Core Based on Origami Techniques

Kazuya Saito, Akinobu Fujimoto, Yoji Okabe
Proc. ASME. IDETC-CIE2016, Volume 5B: 40th Mechanisms and Robotics Conference, V05BT07A026, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60419
https://doi.org/10.1115/DETC2016-60419
View Paper titled, Design of a 3D Wing Honeycomb Core Based on Origami Techniques
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Topics: Design, Honeycomb structures, Wings, Shapes, Blades, Manufacturing, Rotors, Design methodology, Energy generation, Forming limit diagrams
Proceedings Papers

Elastic Wing Deployments in Beetles and Their Folding Mechanisms

Kazuya Saito, Yoji Okabe
Proc. ASME. IDETC-CIE2015, Volume 5B: 39th Mechanisms and Robotics Conference, V05BT08A033, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46559
https://doi.org/10.1115/DETC2015-46559
View Paper titled, Elastic Wing Deployments in Beetles and Their Folding Mechanisms
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Topics: Wings, Elasticity, Design, Engineering systems and industry applications, Flight, Stiffness
Journal Articles

New Deployable Structures Based on an Elastic Origami Model

Kazuya Saito, Akira Tsukahara, Yoji Okabe
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. February 2015, 137(2): 021402.
Paper No: MD-13-1414
https://doi.org/10.1115/1.4029228
Published Online: February 1, 2015
View Article titled, New Deployable Structures Based on an Elastic Origami Model
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Topics: Deformation, Simulation, Trusses (Building), Actuators, Finite element methods, Plates (structures), Design, Shapes, Structural stability
Proceedings Papers

Designing of Self-Deploying Origami Models Using Geometrically Misaligned Crease Patterns

Kazuya Saito, Akira Tsukahara, Yoji Okabe
Proc. ASME. IDETC-CIE2014, Volume 5B: 38th Mechanisms and Robotics Conference, V05BT08A053, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35592
https://doi.org/10.1115/DETC2014-35592
View Paper titled, Designing of Self-Deploying Origami Models Using Geometrically Misaligned Crease Patterns
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Topics: Design, Computer simulation, Deformation, Degrees of freedom, Finite element methods, Hinges, Simulation, Structural analysis, Structural mechanics
Proceedings Papers

New Deployable Structures Based on an Elastic Origami Model

Kazuya Saito, Akira Tsukahara, Yoji Okabe
Proc. ASME. IDETC-CIE2013, Volume 6B: 37th Mechanisms and Robotics Conference, V06BT07A038, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12901
https://doi.org/10.1115/DETC2013-12901
View Paper titled, New Deployable Structures Based on an Elastic Origami Model
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Topics: Actuators, Computer simulation, Deformation, Design, Elastic plates, Finite element methods, Hinges, Plates (structures), Simulation
Journal Articles

Lightweight Actuator Structure With SMA Honeycomb Core and CFRP Skins

Yoji Okabe, Hiroshi Sugiyama, Toru Inayoshi
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2011, 133(1): 011006.
https://doi.org/10.1115/1.4003139
Published Online: January 3, 2011
View Article titled, Lightweight Actuator Structure With SMA Honeycomb Core and CFRP Skins
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Topics: Actuators, Carbon reinforced plastics, Deformation, Honeycomb structures, Shapes, Shear (Mechanics), Heating, Temperature, Stiffness, Shear deformation
Proceedings Papers

Lightweight Actuator Structure With SMA Honeycomb Core and CFRP Skins

Yoji Okabe, Hiroshi Sugiyama, Toru Inayoshi
Proc. ASME. SMASIS2009, Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures, 1-9, September 21–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2009-1236
https://doi.org/10.1115/SMASIS2009-1236
View Paper titled, Lightweight Actuator Structure With SMA Honeycomb Core and CFRP Skins
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Topics: Actuators, Carbon reinforced plastics, Honeycomb structures, Heating, Shapes, Shear (Mechanics), Stiffness, Computer simulation, Deformation, Elastic moduli