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Proceedings Papers

A Study on Reliability of Piping System Supported by Elasto-Plastic Support Subjected to Nonstationary Seismic Waves

Atsuhiko Shintani, Chihiro Nakagawa, Tomohiro Ito
Proc. ASME. PVP2023, Volume 7: Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V007T08A003, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107707
https://doi.org/10.1115/PVP2023-107707
View Paper titled, A Study on Reliability of Piping System Supported by Elasto-Plastic Support Subjected to Nonstationary Seismic Waves
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Topics: Absorption, Noise (Sound), Piping systems, Reliability, Seismic waves
Proceedings Papers

Study on Mitigation of Sliding Motion of Cask-Canister Coupled System Subjected to Seismic Excitation Using Highly Viscous Fluid

Atsuhiko Shintani, Chihiro Nakagawa, Tomohiro Ito
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A006, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84516
https://doi.org/10.1115/PVP2022-84516
View Paper titled, Study on Mitigation of Sliding Motion of Cask-Canister Coupled System Subjected to Seismic Excitation Using Highly Viscous Fluid
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Topics: Damping, Excitation, Fluids
Proceedings Papers

Effect of Parameters of Elasto-Plastic Damper on Mitigation of Connected Cabinets Storing Electronics Subjected to Seismic Waves

Atsuhiko Shintani, Takuma Yoshida, Chihiro Nakagawa, Tomohiro Ito
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T08A005, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62002
https://doi.org/10.1115/PVP2021-62002
View Paper titled, Effect of Parameters of Elasto-Plastic Damper on Mitigation of Connected Cabinets Storing Electronics Subjected to Seismic Waves
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Topics: Dampers, Electronics, Seismic waves, Vibration
Proceedings Papers

Study on Vibration Mitigation of Connected Cabinets Storing Electronics Subjected to Seismic Input Using Elasto-Plastic Damper

Atsuhiko Shintani, Takuma Yoshida, Chihiro Nakagawa, Tomohiro Ito
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A010, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21395
https://doi.org/10.1115/PVP2020-21395
View Paper titled, Study on Vibration Mitigation of Connected Cabinets Storing Electronics Subjected to Seismic Input Using Elasto-Plastic Damper
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Topics: Dampers, Electronics, Vibration
Proceedings Papers

Mitigation of Rocking and Sliding Motion of a Free-Standing Structure Subjected to Base Excitation Using Coaxial Circular Cylinders Containing Highly Viscous Liquid in Annular Spaces

Atsuhiko Shintani, Tomohiro Ito, Chihiro Nakagawa
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A013, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93205
https://doi.org/10.1115/PVP2019-93205
View Paper titled, Mitigation of Rocking and Sliding Motion of a Free-Standing Structure Subjected to Base Excitation Using Coaxial Circular Cylinders Containing Highly Viscous Liquid in Annular Spaces
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Topics: Circular cylinders, Damping, Excitation, Space, Cylinders, Friction, Inertia (Mechanics)
Proceedings Papers

Sliding and Rocking Motion Mitigation of a Rigid Body Subjected to Seismic Excitation due to High-Viscous Liquid

Tomohiro Ito, Hideki Sakurai, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. PVP2016, Volume 8: Seismic Engineering, V008T08A003, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63140
https://doi.org/10.1115/PVP2016-63140
View Paper titled, Sliding and Rocking Motion Mitigation of a Rigid Body Subjected to Seismic Excitation due to High-Viscous Liquid
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Topics: Excitation, Viscosity, Damping, Earthquakes, Accidents, Circular cylinders, Contamination, Electricity (Physics), Fukushima nuclear disaster, Japan, 2011, Nuclear power stations
Proceedings Papers

Basic Study on Dynamic Reliability of Machinery and Piping System Supported by Elasto-Plastic Supports With Gaps

Atsuhiko Shintani, Keishi Tsujita, Tomohiro Ito, Chihiro Nakagawa
Proc. ASME. PVP2015, Volume 8: Seismic Engineering, V008T08A006, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45419
https://doi.org/10.1115/PVP2015-45419
View Paper titled, Basic Study on Dynamic Reliability of Machinery and Piping System Supported by Elasto-Plastic Supports With Gaps
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Topics: Machinery, Piping systems, Reliability, Dampers, Absorption, Optimization, Stress, White noise
Proceedings Papers

Effects of Connecting Damper on Rocking Motion of Multiple Cabinets Subjected to Seismic Excitation

Tomohiro Ito, Takatsugu Kihara, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. PVP2015, Volume 8: Seismic Engineering, V008T08A004, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45264
https://doi.org/10.1115/PVP2015-45264
View Paper titled, Effects of Connecting Damper on Rocking Motion of Multiple Cabinets Subjected to Seismic Excitation
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Topics: Dampers, Excitation, Electronic circuits, Accidents, Collapse, Damping, Displacement, Earthquakes, Industrial plants, Nuclear power stations
Proceedings Papers

Study on the Seismic Response of Cable Tray Considering Sliding Motion of Cable

Tomohiro Ito, Yasuhiko Azuma, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. PVP2014, Volume 8: Seismic Engineering, V008T08A046, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28121
https://doi.org/10.1115/PVP2014-28121
View Paper titled, Study on the Seismic Response of Cable Tray Considering Sliding Motion of Cable
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Topics: Cables, Earthquakes, Friction, Accidents, Ceilings, Collapse, Excitation, Industrial plants, Inertia (Mechanics), Nuclear power stations
Proceedings Papers

Basic Study on Vibrational Behavior of Piping Systems Supported by Elasto-Plastic Damper With Gap Support

Keishi Tsujita, Atsuhiko Shintani, Tomohiro Ito, Chihiro Nakagawa
Proc. ASME. PVP2014, Volume 8: Seismic Engineering, V008T08A047, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28283
https://doi.org/10.1115/PVP2014-28283
View Paper titled, Basic Study on Vibrational Behavior of Piping Systems Supported by Elasto-Plastic Damper With Gap Support
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Topics: Dampers, Piping systems, Computer simulation
Proceedings Papers

Fundamental Study on Mitigation of Rocking Motion of a Cask System by a Gyro System

Tomohiro Ito, Yasumasa Ishikawa, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. ICEM2013, Volume 1: Low/Intermediate-Level Radioactive Waste Management; Spent Fuel, Fissile Material, Transuranic and High-Level Radioactive Waste Management, V001T01A002, September 8–12, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICEM2013-96026
https://doi.org/10.1115/ICEM2013-96026
View Paper titled, Fundamental Study on Mitigation of Rocking Motion of a Cask System by a Gyro System
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Topics: Collapse, Contamination, Earthquakes, Excitation, Free vibrations, Radioactive substances, Spent nuclear fuels
Proceedings Papers

Multibody Analysis of a Human and Inverted-Pendulum Vehicle With and Without a Handle–Hand Constraint

Chihiro Nakagawa, Shunsuke Arakawa, Atsuhiko Shintani, Tomohiro Ito
Proc. ASME. IDETC-CIE2013, Volume 7B: 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V07BT10A011, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12047
https://doi.org/10.1115/DETC2013-12047
View Paper titled, Multibody Analysis of a Human and Inverted-Pendulum Vehicle With and Without a Handle–Hand Constraint
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Topics: Pendulums, Vehicles, Computer simulation, Gravity (Force), Multibody dynamics
Proceedings Papers

Study on the Control of Displacement for Base Isolation Systems Utilizing High-Viscous Liquid (Effects of Eccentricity)

Tomohiro Ito, Naoto Nishimatsu, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. PVP2013, Volume 8: Seismic Engineering, V008T08A035, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97072
https://doi.org/10.1115/PVP2013-97072
View Paper titled, Study on the Control of Displacement for Base Isolation Systems Utilizing High-Viscous Liquid (Effects of Eccentricity)
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Topics: Displacement, Damping, Cylinders, Circular cylinders, Collisions (Physics), Contamination, Earthquakes, Radioactive substances, Space, Spent nuclear fuels
Proceedings Papers

Basic Study on Vibrational Behavior of System Supporting Large-Scale Structures Subjected to Multiple Random Inputs Using Probabilistic Vibration Theory

Atsuhiko Shintani, Keishi Tsujita, Tomohiro Ito, Chihiro Nakagawa
Proc. ASME. PVP2013, Volume 8: Seismic Engineering, V008T08A038, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97560
https://doi.org/10.1115/PVP2013-97560
View Paper titled, Basic Study on Vibrational Behavior of System Supporting Large-Scale Structures Subjected to Multiple Random Inputs Using Probabilistic Vibration Theory
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Topics: Vibration, Reliability, Absorption, Computer simulation, Dampers, Finite element methods, Finite element model, Stress, White noise
Proceedings Papers

Basic Study on Mitigation of Annular-Flow-Induced Vibration by Considering Variability in Parameters of Structure and Fluid

Atsuhiko Shintani, Hirokazu Isono, Tomohiro Ito, Chihiro Nakagawa
Proc. ASME. PVP2013, Volume 4: Fluid-Structure Interaction, V004T04A054, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97845
https://doi.org/10.1115/PVP2013-97845
View Paper titled, Basic Study on Mitigation of Annular-Flow-Induced Vibration by Considering Variability in Parameters of Structure and Fluid
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Topics: Flow (Dynamics), Fluids, Vibration, Stability, Equations of motion, Navier-Stokes equations, Partial differential equations, Uncertainty
Proceedings Papers

Influence of the Size of a Personal Mobility Vehicle on the Affinity With a Pedestrian

Chihiro Nakagawa, Kazuki Imamura, Atsuhiko Shintani, Tomohiro Ito
Proc. ASME. DSCC2012-MOVIC2012, Volume 1: Adaptive Control; Advanced Vehicle Propulsion Systems; Aerospace Systems; Autonomous Systems; Battery Modeling; Biochemical Systems; Control Over Networks; Control Systems Design; Cooperative and Decentralized Control; Dynamic System Modeling; Dynamical Modeling and Diagnostics in Biomedical Systems; Dynamics and Control in Medicine and Biology; Estimation and Fault Detection; Estimation and Fault Detection for Vehicle Applications; Fluid Power Systems; Human Assistive Systems and Wearable Robots; Human-in-the-Loop Systems; Intelligent Transportation Systems; Learning Control, 795-802, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8578
https://doi.org/10.1115/DSCC2012-MOVIC2012-8578
View Paper titled, Influence of the Size of a Personal Mobility Vehicle on the Affinity With a Pedestrian
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Topics: Mechanical admittance, Vehicles, Simulation, Transportation systems
Proceedings Papers

Basic Study on Optimal Design of System Supporting Structures Subjected to Random Inputs Using the Probabilistic Vibration Theory

Atsuhiko Shintani, Tadashi Nagami, Tomohiro Ito, Chihiro Nakagawa
Proc. ASME. PVP2012, Volume 8: Seismic Engineering, 223-229, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78195
https://doi.org/10.1115/PVP2012-78195
View Paper titled, Basic Study on Optimal Design of System Supporting Structures Subjected to Random Inputs Using the Probabilistic Vibration Theory
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Topics: Design, Vibration, Piping systems, Random vibration, Computer simulation, Dampers, Noise (Sound)
Proceedings Papers

Study on the Seismic Response of High-Speed Rotational Disk-Shaft System

Tomohiro Ito, Masayoshi Hatta, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. PVP2012, Volume 8: Seismic Engineering, 213-221, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78029
https://doi.org/10.1115/PVP2012-78029
View Paper titled, Study on the Seismic Response of High-Speed Rotational Disk-Shaft System
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Topics: Disks, Excitation, Earthquakes, Rotation, Seismic waves, Collisions (Physics), Equations of motion, Rotating disks, Turbine blades, Turbines
Proceedings Papers

Vibration Characteristics of a Perforated Plate Immersed in Fluid

Tomohiro Ito, Atsuhiko Shintani, Chihiro Nakagawa
Proc. ASME. PVP2012, Volume 8: Seismic Engineering, 231-238, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78400
https://doi.org/10.1115/PVP2012-78400
View Paper titled, Vibration Characteristics of a Perforated Plate Immersed in Fluid
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Topics: Fluids, Vibration, Plates (structures), Damping, Stiffness, Computer simulation, Mechanical structures, Nuclear power stations, Thermal power stations, Vibration tests
Proceedings Papers

Mitigation of Sliding Motion of a Cask-Canister by Fluid-Structure Interaction in an Annular Region

Tomohiro Ito, Yoshihiro Fujiwara, Atsuhiko Shintani, Chihiro Nakagawa, Kazuhisa Furuta
Proc. ASME. ICEM2011, ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B, 1151-1157, September 25–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ICEM2011-59208
https://doi.org/10.1115/ICEM2011-59208
View Paper titled, Mitigation of Sliding Motion of a Cask-Canister by Fluid-Structure Interaction in an Annular Region
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Topics: Fluid structure interaction, Equations of motion, Excitation, Spent nuclear fuels, Water