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Masaaki Okuma
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Proceedings Papers

Experimental Spatial Matrix Identification as a Practical Inverse Problem in Mechanics

Masaaki Okuma, Tatsuya Oho
Proc. ASME. IMECE98, Computational Methods for Solution of Inverse Problems in Mechanics, 73-79, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0222
https://doi.org/10.1115/IMECE1998-0222
View Paper titled, Experimental Spatial Matrix Identification as a Practical Inverse Problem in Mechanics
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Topics: Inverse problems, Equations of motion, Frequency response, Mechanical structures
Proceedings Papers

Identification and Prediction of Frame Structure Dynamics by Spatial Matrix Identification Method

Masaaki Okuma, Ward Heylen, Hisayoshi Matsuoka, Paul Sas
Proc. ASME. IMECE2000, Dynamics, Acoustics and Simulations, 99-105, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2186
https://doi.org/10.1115/IMECE2000-2186
View Paper titled, Identification and Prediction of Frame Structure Dynamics by Spatial Matrix Identification Method
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Topics: Dynamics (Mechanics), Boundary-value problems, Computer-aided engineering, Frequency response, Hammers, Mechanical engineering, Structural dynamics, Testing
Journal Articles

Elimination of Bias Errors Due to Suspension Effects in FRF-Based Rigid Body Property Identification

Robert Kloepper, Masaaki Okuma
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. July 2009, 131(4): 041005.
https://doi.org/10.1115/1.3089564
Published Online: April 29, 2009
View Article titled, Elimination of Bias Errors Due to Suspension Effects in FRF-Based Rigid Body Property Identification
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Topics: Errors, Wire, Simulation
Proceedings Papers

An Optimum Bending Groove Design of Panel to Minimize Noise Power

Jin-Young Jeon, Masaaki Okuma, Yusuke Nakura
Proc. ASME. ESDA2004, Volume 1, 537-544, July 19–22, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2004-58106
https://doi.org/10.1115/ESDA2004-58106
View Paper titled, An Optimum Bending Groove Design of Panel to Minimize Noise Power
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Topics: Design, Noise (Sound), Optimization, Particle swarm optimization
Proceedings Papers

Sound-Radiation Analysis for Boat Hull Based on Hammering Test and BEM

Taro Tomatsu, Tetsuya Otsuka, Masaaki Okuma, Takeshi Okada, Tetsuro Ikeno, Kazuyuki Shiomi
Proc. ASME. IDETC-CIE2005, Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 259-264, September 24–28, 2005
Publisher: American Society of Mechanical Engineers
Paper No: DETC2005-84628
https://doi.org/10.1115/DETC2005-84628
View Paper titled, Sound-Radiation Analysis for Boat Hull Based on Hammering Test and BEM
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Topics: Boats, Boundary element methods, Hull, Sound, Engines, Finite element methods, Impulse (Physics), Modeling, Noise (Sound), Optimization
Proceedings Papers

A Method to Identify the Stiffness of Engine Mounts Using Experimental Modal Analysis

Taro Tomatsu, Takeshi Okada, Tetsuro Ikeno, Kazuyuki Shiomi, Masaaki Okuma
Proc. ASME. IDETC-CIE2005, Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 265-272, September 24–28, 2005
Publisher: American Society of Mechanical Engineers
Paper No: DETC2005-84629
https://doi.org/10.1115/DETC2005-84629
View Paper titled, A Method to Identify the Stiffness of Engine Mounts Using Experimental Modal Analysis
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Topics: Engines, Modal analysis, Stiffness, Testing, Thrust, Vibration, Finite element model, Gravity (Force), Hammers, Propellers
Proceedings Papers

Implementation of Single and Multiple Adaptive Step Size Algorithm to ANC

Yesim Sabah, Masaaki Okuma, Minoru Okubo
Proc. ASME. IMECE2004, Dynamic Systems and Control, Parts A and B, 1417-1423, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-60240
https://doi.org/10.1115/IMECE2004-60240
View Paper titled, Implementation of Single and Multiple Adaptive Step Size Algorithm to ANC
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Topics: Algorithms, Errors, Noise control, Steady state, Ducts, Simulation results, Tradeoffs
Journal Articles

An Optimum Embossment of Rectangular Section in Panel to Minimize Noise Power

Jin-Young Jeon, Masaaki Okuma
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2008, 130(2): 021012.
https://doi.org/10.1115/1.2748456
Published Online: March 21, 2008
View Article titled, An Optimum Embossment of Rectangular Section in Panel to Minimize Noise Power
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Topics: Acoustics, Design, Excitation, Noise (Sound), Optimization, Particle swarm optimization, Radiation (Physics), Corners (Structural elements), Algorithms, Boundary element methods
Journal Articles

Implementation of Single and Multiple Adaptive Step-Size Algorithm to ANC

Yesim Sabah, Masaaki Okuma, Minoru Okubo
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. February 2008, 130(1): 014503.
https://doi.org/10.1115/1.2349540
Published Online: November 12, 2007
View Article titled, Implementation of Single and Multiple Adaptive Step-Size Algorithm to ANC
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Topics: Algorithms, Errors
Journal Articles

Identification and Prediction of Frame Structure Dynamics by Spatial Matrix Identification Method

Masaaki Okuma, Ward Heylen, Hisayoshi Matsuoka, Paul Sas
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. July 2001, 123(3): 390–394.
https://doi.org/10.1115/1.1377020
Published Online: March 1, 2001
View Article titled, Identification and Prediction of Frame Structure Dynamics by Spatial Matrix Identification Method
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Topics: Boundary-value problems, Dynamics (Mechanics), Frequency response, Vibration, Testing, Computer-aided engineering, Shapes, Damping, Hammers, Structural dynamics
Journal Articles

Identification of Principal Rigid Body Modes Under Free-Free Boundary Condition

Masaaki Okuma, Qinzhong Shi
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1997, 119(3): 341–345.
https://doi.org/10.1115/1.2889729
Published Online: July 1, 1997
View Article titled, Identification of Principal Rigid Body Modes Under Free-Free Boundary Condition
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Topics: Boundary-value problems, Inertia (Mechanics), Computer simulation, Excitation, Flexible structures, Modal analysis, Parameter estimation, Plates (structures)