Tsutomu Nishigaki

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Name
Tsutomu Nishigaki
Affiliation
Kindai University
Section
Faculty of Biology-Oriented Science and Technology

Research Areas

 
 

Published Papers

 
Noriyasu Hirokawa、Yuki Sasaki、Yuki Tsumura、Tsutomu Nishigaki、Mitsushi Ohmasa
   Jun 2017   [Refereed]
NISHIGAKI TSUTOMU, HONTSU SHIGEKI
Key Eng Mater   631 253-257   2015   [Refereed]
Tsutomu Nishigaki, Izumi Umakoshi
Proceedings of MOVIC2014      Aug 2014   [Refereed]
NISHIGAKI TSUTOMU, NISHIKAWA HIROAKI, KUSUNOKI MASANOBU, HASHIMOTO YOSHIYA, HONTSU SHIGEKI
バイオインテグレーション学会誌   3(1) 71-74   Sep 2013   [Refereed]
NISHIGAKI TSUTOMU
Proc SPIE   8688 86881K.1-86881K.7   2013
NISHIGAKI TSUTOMU
Proc SPIE   7977(Pt.2) 79772L.1-79772L.6   2011
Self-sensing Vibration Control of a Fexible Beam Using Multilayered Shaped PVDF Films
Tsutomu Nishigaki
Proceedings of JISSE-11      Oct 2009   [Refereed]
NISHIGAKI TSUTOMU
Proc SPIE   7292(Pt.2) 72922H.1-72922H.12   2009
NISHIGAKI TSUTOMU
Proc SPIE   6928 69281Z.1-69281Z.10   2008
Endo Mitsuru, Yaoita Akira, Maeda Natsuko, Nishigaki Tsutomu
The Journal of the Acoustical Society of Japan   61(12) 698-707   Dec 2005
本論文では, 鉄道車輪/レール系騒音のうちレールから放射される転動音の低減手法として, 移動する車上に設置したデバイスによるアクティブ騒音制御法を提案し, その可能性についての検討を行った。まず, 車体の下部開放部からの放射音を下流側全域で静音化することが原理的に可能な手法として, 波動吸収原理に基づく制御コンセプトを提案し, 境界要素法による音響シミュレーションによりコンセプトの妥当性を示した。また, デバイスユニットのプロトタイプ1基を設計・作製し, 実験室レベルでの騒音制御実験を実施...
NISHIGAKI Tsutomu, MORITA Hidenori, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   69(680) 874-881   Apr 2003
A self-sensing actuator constructed by four laminated piezoelectric films is developed toward the smart vibration control of two-dimensional structures. First, three kinds of mechanisms of self-sensing acutuators with two or four laminated piezoel...
ENDO Mitsuru, NISHIGAKI Tsutomu, TOKIZAKI Tomoyuki
Transactions of the Japan Society of Mechanical Engineers. C   68(676) 3574-3581   Dec 2002
This paper presents the numerical analysis method of the nonstationary response of acoustical-structural coupling systems. The acoustical analysis is formulated by the Boundary Element Method based on the hyper-singular boundary integral equation ...
ENDO Mitsuru, NISHIGAKI Tsutomu, KURAYA Tatsunori
Transactions of the Japan Society of Mechanical Engineers. C   68(670) 1663-1670   Jun 2002
It was investigated experimentally whether the sound decreasing effects of sound absorbing material structures on the sinusoidally vibrating rigid surface are obtained or not. In the experiment, the one-dimensional acoustic tube was used and its o...
ENDO Mitsuru, NISHIGAKI Tsutomu, NAKASU Yoshihiro
Transactions of the Japan Society of Mechanical Engineers. C   67(664) 3779-3786   Dec 2001
As an example of passive vibration control devices, the dynamic vibration absorber installed in the main system of no-damping is considered and the vibration suppression effects for free vibration responses and forced steady-state and nonstationar...
ENDO Mitsuru, NISHIGAKI Tsutomu, MIZUNO Kou
Transactions of the Japan Society of Mechanical Engineers. C   67(661) 2937-2944   Sep 2001
Cross-sectional configurations of rail for reduction of rolling noise of high-speed railway; Shinkansen are examined. First, depending on the Timoshenko's beam theory, the random vibration of an infinite rail with various cross sections subjected ...
NISIGAKI Tsutomu, KAWANO Atsusi, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   67(655) 612-619   Mar 2001
A self-sensing actuator using piezoelectric two films with different thickness and area, which are closely installed on one surface of general curved structures and are treated as two capacitors in the active RC bridge circuit, is proposed from th...
NISIGAKI Tsutomu, KAWANO Atsusi, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   67(655) 620-625   Mar 2001
In the authors' 1st report, a smart and simplified self-sensing actuator technique using piezoelectric films with different thickness is proposed. In this paper, application of the proposed method to the vibration control of curved structures is i...
A Self-sensing Actuator Using Piezoelecric Films with Different Thickness for Vibration Control of Curved Structures
Tsutomu Nishigaki, Mitsuru Endo
Procdeedings of 11th ICAST   200-207   Oct 2000   [Refereed]
ENDO Mitsuru, NISHIGAKI Tsutomu, UESUGI Takahisa
Transactions of the Japan Society of Mechanical Engineers. C   66(647) 2143-2150   Jul 2000
Evaluation method of vibrational characteristics of laminated FRP shells including damping is examined. Natural frequencies and loss factors of FRP circular cylindrical shells subjected to three kinds of prestresses are obtained on the ground of t...
ENDO Mitsuru, NISHIGAKI Tsutomu, MAEDA Takashi
Transactions of the Japan Society of Mechanical Engineers. C   66(645) 1423-1430   May 2000
Numerical analysis method of transient forced vibration responses of thick rotating shells of revolution is developed. The method can consider the anisotropic laminated layers and the effects of prestresses such as the in-plane compression stress,...
ENDO Mitsuru, NISHIGAKi Tsutomu, OKA Seiji
Transactions of the Japan Society of Mechanical Engineers. C   66(645) 1431-1438   May 2000
The vibrational behavior of continuous systems such as beams, plates and circular cylindrical shells subjected to random parametric excitations is examined mainly from the viewpoint of possibility of unstable phenomena. The vibrational responses o...
ENDO Mitsuru, MAEDA Takashi, KANEKO Toru, NISHIGAKI Tsutomu
Transactions of the Japan Society of Mechanical Engineers. C   66(643) 708-714   Mar 2000
Buckling analysis of a rotating circular cylindrical shell subjected to the prestresses such as external pressure, axial compression stress and torsional shear stress is carried out through the frequency analysis. The finite element method using t...
ENDO Mitsuru, NISHIGAKI Tsutomu, KAWASE Yuji
Transactions of the Japan Society of Mechanical Engineers. C   66(642) 406-413   Feb 2000
Analysis method of radiated sound from arbitray configuration solids shoked by an impulse is investigated mainly from the viewpoint of practical applicability. The analyses of vibrational response of solids and radiated sound from them are based o...
ENDO Mitsuru, NISHIGAKI Tsutomu, KURODA Keigo
Transactions of the Japan Society of Mechanical Engineers. C   66(641) 74-81   Jan 2000
For the vibration suppression of flexible continuous systems, an I-shaped impact damper with parallel linear spring and dashpot is first proposed. And, as laboratory models, a beam and a L-shaped panel to which teflon and multiple impactors are in...
ENDO Mitsuru, NISHIGAKI Tsutomu, MIZUNO Ko
Transactions of the Japan Society of Mechanical Engineers. C   65(638) 3986-3991   Oct 1999
Sound radiation characteristics of vertically vibrating rail are investigated to clarify the nature of rolling noise of high-speed railway, since the contribution of wheel movements to rolling noise is verified to be very small. The slab track is ...
NISHIGAKI Tsutomu, KAWASAKI Yoko, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   65(637) 3493-3498   Sep 1999
Vibration control experiments of a simply supported beam using piezoelectric film (PVDF) sensor / actuator are carried out to verify that the triangular-shaped film pair is effective for multi modes vibration control in comparison with the rectang...
NISHIGAKI Tsutomu, INOUE Hirofumi, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   65(633) 1937-1945   May 1999
Vibration control of a flexible beam with piezoelectric film sonsors/actuators is investigated. Triangular-shaped piezoelectric films are bonded on the both surfaces of a flexible beam, and are treated as collocated sensor/actuator pairs. Equation...
NISHIGAKI Tsutomu, ODAWARA Yasushi, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   63(615) 3728-3734   Nov 1997
Multimodal vibration control of a cantilever beam using bonded piezoelectric film sensors and actuators is studied both theoretically and experimentally. Equations of motion of the Bernoulli-Euler beam with collocated bonded piezoelectric sensors ...
NISHIGAKI Tsutomu, SUZUKI Tomoyuki, ENDO Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   63(614) 3509-3515   Oct 1997
This paper describes an analysis technique based on the boundary element method (BEM) for problems concerning transient sounds by impacted bodies of arbitrary shape that are in close proximity of a rigid infinite plane. The BEM is formulated using...
Tsutomu Nishigaki, Takeshi Oyama, Mitsuru Endo
JSME International Journal Series C   39(2) 218-224   Sep 1996   [Refereed]
Nishigaki Tsutomu, Ohyama Takeshi, Endo Mitsuru
Transactions of the Japan Society of Mechanical Engineers. C   61(585) 1924-1929   May 1995
The analysis technique for problems concerning transient sounds radiated by impacted bodies is investigated by the boundary element method (BEM), and a general-purpose analysis program, which is available for any sound sources, is developed. The L...
Multimodal Vibration Control of a Cantilever Beam with Collocated Bonded Piezoelectric Film Sensors and Actuators
Tsutomu Nishigaki, Yasushi Odawara, Mitsuru Endo
Proceedings of MIMR   399-402   May 1995   [Refereed]
Vibration Analysis of A Gondola Suspended by Two Long Wire Ropes
Tsutomu Nishigaki, Takashi Saito
Proceedings of MOVIC   768-773   1992

Misc

 
NISHIGAKI TSUTOMU
Mem Sch Biol Orient Sci Technol Kinki Univ   (22) 1-17   Sep 2008
ENDO Mitsuru, NISHIGAKI Tsutomu
Journal of the Japan Society of Mechanical Engineers   102(962) 7-10   Jan 1999

Conference Activities & Talks

 
On the characteristics of warning sounds and generating speakers (Toward development of the sound which contains both recognizable waveform and frequency band to the elderly)
Tsutomu Nishigaki
u-Healthcare2015   Dec 2015   
NISHIGAKI TSUTOMU, UMAGOSHI IZUMI
日本機械学会関西支部定時総会講演会講演論文集   18 Mar 2014   
NISHIGAKI TSUTOMU
日本機械学会年次大会講演論文集(CD-ROM)   7 Sep 2013   
Tsutomu Nishigaki, Hiroak Nishikawa, Masanobu Kusunoki, Shigeki Hontsu
International Synposium on Apatite and Correlative Biomaterials   Jun 2013   
NISHIGAKI TSUTOMU, NAKANO HIROKI
日本騒音制御工学会研究発表会講演論文集   23 Apr 2013   
NISHIGAKI TSUTOMU, ASAI MISAKO
日本機械学会機械材料・材料加工技術講演会論文集(CD-ROM)   29 Nov 2012   
NISHIGAKI TSUTOMU, KUSAKA NAOYA
システム制御情報学会研究発表講演会講演論文集(CD-ROM)   21 May 2012   
NISHIGAKI TSUTOMU
システム制御情報学会研究発表講演会講演論文集(CD-ROM)   17 May 2011   
NISHIGAKI Tsutomu, HAGIWARA Yusuke, ENDO Mitsuru
Dynamics & Design Conference   25 Sep 2007   
Piezoelectric film has two effects of direct piezoelectric effect and inverse piezoelectric effect. These effects can be used for the vibration control of flexible structures. In the authors' previous reports, a self-sensing actuator with laminate...
ENDO Mitsuru, YAOITA Akira, NAGATA Daichi, IWANO Koji, NISHIGAKI Tsutomu
Dynamics & Design Conference   25 Sep 2007   
Concerning the on-vehicle-type ANC devices based on the wave absorption principle for wheel / rail system, new concept of device construction was proposed to prevent the howling and to realize downsizing , i.e., the secondary sound actuator is to ...
ENDO Mitsuru, NISHIGAKI Tsutomu, TAKEKAWA Masahiro
Dynamics & Design Conference   25 Sep 2007   
In order to elucidate the characteristics of rolling noise of wheel / rail system which is to be the main cause of the conventional railway noises, first the coupling vibration analyses were carried out by using an infinite length rail model with ...
NISHIGAKI TSUTOMU
日本機械学会機械材料・材料加工技術講演会講演論文集   25 Nov 2006   
HIROKAWA NORIYASU, NISHIGAKI TSUTOMU, OMASA MITSUSHI, HIROSE SHOZO
日本機械学会設計工学・システム部門講演会論文集(CD-ROM)   Sep 2012   
HIROKAWA NORIYASU, NISHIGAKI TSUTOMU, OMASA MITSUSHI, HIROSE SHOZO
日本人間工学会関西支部大会講演論文集   8 Dec 2012   
Project Practice on Universal Design by using Digital Mannequin
Jun 2013   
NISHIGAKI Tsutomu, TAKIGUCHI Shinya, ENDO Mitsuru
Dynamics & Design Conference   6 Aug 2006   
In the authors' previous report, a self-sensing actuator with laminated piezoelectric films was proposed, and the validty of the proposed method was shown by performing their vibration control experiment of a beam and a rectangular plate. However,...
ENDO Mitsuru, YAOITA Akira, MAEDA Natsuko, O-OKANDA Kozue, NISIGAKI Tsutomu
Dynamics & Design Conference   6 Aug 2006   
The possibility of a concept of active sound cancellation control based on the wave absorbing principle of conventional railway wheel/rail rolling and impact noises by on-vehicle-type devices was examined. First, theoretical simulations on the bas...
NISHIGAKI Tsutomu, KUNIYOSHI Syunichi, ENDO Mitsuru
Dynamics & Design Conference   6 Aug 2006   
An acive sound absorbing device unit of the transmission noise through a wall, using a plate planewave speaker as the secondary sound source, was developed toward effective suppression of aircraft interior noise. The controller was designed using ...
NISHIGAKI Tsutomu, OGAMI Kazunori, ENDO Mitsuru
Dynamics & Design Conference   22 Aug 2005   
A wave absorbing control method using piezoelectric film sensor/actuator, namely quasi-waveabsorbing control which is based on relative displacement control, of a flexible thin-walled cantilever beam subjected to random displacement excitation is ...
ENDO Mitsuru, NISIGAKI Tsutomu, TAKEKAWA Masahiro
Dynamics & Design Conference   22 Aug 2005   
ENDO Mitsuru, NISIGAKI Tsutomu, RO Ei
Dynamics & Design Conference   22 Aug 2005   
Concerning the rolling noise of wheel/rail coupling system, first the power spectrum of contact force between wheel and rail is calculated by random vibration analysis and besides the vibration responses of rail and wheel is obtained by use of Tim...
ENDO Mitsuru, NISHIGAKI Tsutomu, TSUKUI Norio
Dynamics & Design Conference   22 Aug 2005   
Noticing the noise reduction effects of the drainage asphalt pavement, the method of estimation of radiation characteristics of automobile tire/road noises and the road design concept of reducing such noises are examined. By using FEM, the tire vi...
ENDO Mitsuru, NISHIGAKI Tsutomu, KAMEZAKI Nobuhiro
Dynamics & Design Conference   27 Sep 2004   
The vibration analyses in which the head of the wheels is harmonically excited in radial direction were carried out by using FEM for the wheels of Straight web. TGV-type web and Wavy web with four kinds of circumferential wave number, and then by ...
ENDO Mitsuru, YAOITA Akira, MAEDA Natsuko, NISHIGAKI Tsutomu
Dynamics & Design Conference   27 Sep 2004   
The concept of the active sound cancellation control of the railway wheel/rail noises by the On-vehicle-type devices is presented. And the apparatus of randomly exciting 60kg rail by the electromagnetic shaker which is enclosed with the panel syst...
NISHIGAKI Tsutomu, TOKUSHIGE Takumi, ENDO Mitsuru
Dynamics & Design Conference   27 Sep 2004   
The active sound absorbing device unit of the transmission noise through a thin plate using a plate plane-wave speaker as the secondary sound source was developed and its lightening and compacting construction methods of elements was examined by t...
ENDO Mitsuru, NISHIGAKI Tsutomu, YANAGIMOTO Hirotada
Dynamics & Design Conference   27 Sep 2004   
The design methods of the optimum tuning and damping of the dual dynamic vibration absorber (D-DVA) for large-scale structures with very low frequencies were presented, arid the optimal construction layout which minimizes the undesirable moment ap...
NISHIGAKI Tsutomu, SHINJO Akiko, ENDO Mitsuru
Dynamics and Design Conference   30 Oct 2003   
Vibration control of a flexible beam using piezoelectric film sensors and multilayered actuators is investigated. At first, the method of multilayered piezoelectric actuator is proposed for the purpose of improvement in vibration control effect ag...
ENDO Mitsuru, NISIGAKI Tsutomu, KURAYA Tatsunori
Dynamics & Design Conference   16 Sep 2003   
Sound decreasing effects of sound absorbing material structures installed on the moving rigid surface were verified experimentally for both the stationary and the nonstationary cases by using the one-dimensional acoustic tube. The decreasing effec...
NISHIGAKI Tsutomu, MORITA Hidenori, ENDO Mitsuru
Dynamics & Design Conference   16 Sep 2003   
The concept of the active sound absorption method using thin and membranous piezoelectric film speaker is proposed toward the suppression of aircraft interior noise, especially large turbo-fun jet plane. At first, an active sound absorber unit is ...
ENDO Mitsuru, NISIGAKI Tsutomu, KURAYA Tatsunori
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   15 Sep 2003   
Sound decreasing effects of sound absorbing material structures installed on the moving rigid surface were verified experimentally for both the stationary and the nonstationary cases by using the one-dimensional acoustic tube. The decreasing effec...
NISHIGAKI Tsutomu, MORITA Hidenori, ENDO Mitsuru
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   15 Sep 2003   
The concept of the active sound absorption method using thin and membranous piezoelectric film speaker is proposed toward the suppression of aircraft interior noise, especially large turbo-fun jet plane. At first, an active sound absorber unit is ...
ENDO Mitsuru, NISHIGAKI Tsutomu, KUROKAWA Kenya
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   13 Sep 2002   
Characteristics of the impact sound at the joint of rail in the urban railway are investigated. The rail is modeled by a free-free Euler-Bernoulli beam on the Winkler foundation with springs and dashpots and the acceleration in the Laplace transfo...
NISHIGAKI Tsutomu, TATSUKAWA Tomoaki, ENDO Mitsuru
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   13 Sep 2002   
In the authors' previous report, a self-sensing actuator using laminated piezoelectric films with differnt thickness and area was proposed, and the validity of the proposed method against the lowest vibration mode was shown by performing vibration...
ENDO Mitsuru, NISIGAKI Tsutomu, YANAGIMOTO Hirotada
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   13 Sep 2002   
Equation of motion of the dynamic vibration absorber for large-scale low frequency structures proposed previously is derived for the case with dual auxiliary systems and the numerical method of design of the quasi-optimal tuning and damping condit...
ENDO Mitsuru, NISHIGAKI Tsutomu, YAMAUCHI Jun
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   13 Sep 2002   
A model of automobile rotating tyre is constructed by the Finite Element Method using the truncated conical shell element based on the first-order shear deformation theory. And in order to investigate basically the characteristics of tread pattern...
ENDO Mitsuru, NISHIGAKI Tsutomu, CHIDA Takafumi
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   3 Aug 2001   
A precise modeling of a rolling automobile smooth tyre is carried out and through the analyses of its vibrational behaviors the mechanism of the noise generation is considered. The analysis is formulated by the Finite Element Method using a trunca...
ENDO Mitsuru, NISHIGAKI Tsutomu, KURAYA Tatsunori
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   3 Aug 2001   
It was investigated experimentally whether the sound decreasing effects of sound absorbing material structures on the sinusoidally vibrating rigid surface are obtained or not. In the experiment, the one-dimensional acoustic tube was used and its o...
NISHIGAKI Tsutomu, KAWANO Atsushi, ENDO Mitsuru
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   3 Aug 2001   
A wave absorbing control method, namely quasi-wave-absorbing control, of a harmonically excited cantilever beam using piezoelectric film sensor/actuator is investigated. At first, based on the relative coordinate system, fundamental equations are ...
NISHIGAKI Tsutomu, MORITA Hidenori, ENDO Mitsuru
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   3 Aug 2001   
A self-sensing actuator constructed by four laminated piezoelectric films is developed toward the smart vibration control of two-dimensional structures. First, three kinds of mechanisms of self-sensing acutuators with two or four piezoelectric fil...
ENDO Mitsuru, NISHIGAKI Tsutomu, MURAYAMA Masami
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   3 Aug 2001   
A new-type of the dynamic vibration absorber for large-scale structures with very low frequencies is proposed. It utilizes the rotational moment of inertia of bar-type mass instead of the conventional concept of utilizing the inertia force of the ...
ENDO Mitsuru, NISHIGAKI Tsutomu, TOKIZAKI Tomoyuki
振動・音響新技術シンポジウム講演論文集   5 Jun 2001   
This paper proposes the numerical analysis method of the nonstationary response of acoustical-structural coupling systems. The acoustical analysis is formulated by the Boundary Element Method based on the hyper-singular boundary integral equation....
NISHIGAKI Tsutomu, ENDO Mitsuru
スペース・エンジニアリング・コンファレンス講演論文集 : Space Engineering Conference   11 Jan 2001   
In this paper, active vibration control of flexible structure by high-polymer piezoelectric films, which aims for the realization of smart structures, is investigated. At first, active vibration control method using piezoelectric films as sensor a...
ENDO Mitsuru, NISHIGAKI Tsutomu, NAKASU Yoshihiro
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   1 Sep 2000   
As an example of passive vibration control devices, the dynamic vibration absorber installed in the main system of no-damping is considered and the vibration suppression effects for free vibration responses and forced steady-state and nonstationar...
ENDO Mitsuru, NISHIGAKI Tsutomu, KURODA Keigo
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   1 Sep 2000   
An I-shaped impact damper for large-scale flexible structures was manufactured by way of trial using the machine elements of coil springs and magnet dampers. By installing it in the one degree-of-freedom system with the natural frequency less than...
NISHIGAKI Tsutomu, KAMATA Yasuhiro, ENDO Mitsuru
Dynamics and Design Conference : 機械力学・計測制御講演論文集 : D & D   1 Sep 2000   
In the authors' previous report, a smart and simplified self-sensing actuator technique using piezoelectric films with different thickness and area was proposed, in which two rectangular shaped piezoelectric films are bonded on one surface of the ...
NISHIGAKI Tsutomu
材料力学部門分科会・研究会合同シンポジウム講演論文集   29 Mar 2000   
This paper deals with active vibration control of flexible structure by high-polymer piezoelectric films, which is based on the concept of smart structure. At first, characteristics and problems of active vibration control method using piezoelectr...
ENDO M., NISHIGAKI T., MIZUNO K.
日本音響学会研究発表会講演論文集   1 Mar 2000   

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 2011 - 2013    Investigator(s): Tsutomu NISHIGAKI
In this study, a wave absorbing technique, i.e. the technique which cancels the reflection wave at the end point of the flexible thin structure, was investigated using piezoelectric films. At first, a cantilever beam, which can be applied to the f...