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[Japanese] |
[Journal
Papers]／
[Intl
Conf. Proceedings]／
[Reports]
／[Technical
Papers]
／[Theses]
2024
| ■ | "Computational analyses and sound absorption measurements of sound fields at architectural environments" Tech. Rep. Architectural acoustics, Acoust. Soc. Jpn. No.AA2024-21, pp1-8, June, 2023 Authors: Toru Otsure, Reiji Tomiku, Noriko Okamoto |
2023
| ■ | "Reconsidering the mathematical model of the in-situ measurement method using the ensemble averaging technique for sound absorption characteristics" Tech. Rep. Architectural acoustics, Acoust. Soc. Jpn. No.AA2023-22, pp1-6, June, 2023 Authors: Toru Otsure, Reiji Tomiku, Noriko Okamoto |
| ■ | "Study on measurement of acoustic energy density in rectangular reverberation chamber" Tech. Rep. Architectural acoustics, Acoust. Soc. Jpn. No.AA2023-19, pp1-8, June, 2023 Authors: Satoshi Sugie, Kenichi Takebayashi, Yu Aida, Reiji Tomiku |
2022
| ■ | "Countermeasures for heavy-waited floor impact sound in wooden three-story terraced house" Architectural acoustics and noise control, Vol.52 No.4, pp74-78, December, 2022 Authors: Reiji Tomiku, Noriko Okamoto, Toru Otsuru, Yuto Kinjo |
| ■ | "Numerical simulation of sound fields in rooms with curved surface boundary by time-domain finite element method" Tech. Rep. Architectural acoustics, Acoust. Soc. Jpn. No.AA2022-28, pp1-8, August, 2022 Authors: Reiji Tomiku, Noriko Okamoto, Toru Otsuru, Yuto Kinjo |
| ■ | "Measurement using three-dimensional particle velocity sensor on sound field of measurement for floor impact sound" Tech. Rep. Architectural acoustics, Acoust. Soc. Jpn. No.AA2022-21, pp1-8, June, 2022 Authors: Taiki Kimura, Reiji Tomiku, Noriko Okamoto, Toru Otsuru, Atsuhide Kanazawa |
2021
| ■ | "Study on sound absorption characteristics of porous clay bricks" Tech. Rep. Noise Vib. Acoust. Soc. Jpn., No. AA2021-40, pp1-7, November, 2021 Authors: Reiji Tomiku，Masahiro Masuda，Noriko Okamoto， Toru Otsuru，Siwat Lawanwadeekul，Kana Ikeda |
2020
| ■ | "An sound absorption measurement method of building materials by ensemble averaging technique -Comparison with impedance tube method and reverberation room method-" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. AA2021-06, pp1-6, January, 2021 Authors: Nobuyoshi HORIIKE, Kaho ITO, Noriko OKAMOTO, Reiji TOMIKU, Toru OTSURU |
| ■ | "Basic study on the acoustical environment at hospital wards" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. AA2020-30, pp1-6, September, 2020 Authors: Daichi MIYAGAWA, Reiji TOMIKU, Noriko OKAMOTO, Kosei GOTO, Toru OTSURU |
2019
| ■ | "Experimental study on floor impact sound insulation in CLT model specimen" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. AA2019-33, October, 2019 Authors: Atsuo HIRAMITSU, Reiji TOMIKU, Toru OTSURU and Kouji HARADA |
| ■ | "Finite element sound field analysis of rooms with curved surface boundary" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. AA2019-22, pp1-6, June, 2019 Authors: Reiji TOMIKU, Toru OTSURU, Ippei ETO and Noriko OKAMOTO |
■ | "Experimental study on sound absorption characteristics of rock-wool board by sound absorption measurement method of materials using ensemble averaging" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2019-21, pp1-6, June, 2019 Authors: Noriko OKAMOTO, Nobuyoshi HORIIKE, Toru OTSURU and Reiji TOMIKU |
2018
| ■ | "Application of sound absorption measurement method by ensemble averaging technique to materials assuming construction conditions" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. N-2018-56, pp1-8, December, 2018 Authors: Noriko OKAMOTO, Toru OTSURU and Reiji TOMIKU |
■ | "Reproducibility of sound absorption measurement method using ensemble averaging technique with a pressure-velocity sensor" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. N-2018-44, pp1-8, October, 2018 Authors: Toru OTSURU, Reiji TOMIKU, Noriaki SAKAMOTO and Noriko OKAMOTO |
| ■ | "Investigation on Underwater Sound Field Analysis in Swimming Pool by Finite Element Method" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2018-17, pp1-7, June, 2018 Authors: Tsuguto HOSHINO, Toru OTSURU and Reiji TOMIKU |
2014
| ■ | "Absorption measurement method by ensemble averaging technique -Measurement mechanism and applicability to low-absorptive materials-" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. N-2015-08, pp1-8, February, 2015 Authors: Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO, Emi UEDA and Risa MIYOSHI |
| ■ | "Direct characterization of acoustic absorption from spectral optics reflection of extecsive ground surface" Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. N-2014-48, pp1-8, November, 2014 Authors: Kei WAKAMATSU, Takuya OSHIMA, Yasuhiro HIRAGURI, Takeshi OKUZONO, Reiji TOMIKU, Noriko OKAMOTO and Toru OTSURU |
| ■ | "Ensemble averaging absorption characteristics of materials using an in-situ technique -Application onto material development of multifunctional interior materials using porous mortar-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2014-34, pp1-6, August, 2014 Authors: Noriko OKAMOTO, Toru OTSURU, Reiji TOMIKU, Takaaki KAMIMIZU and Makoto YAMAGUCHI |
2013
| ■ | "Finite element sound field analysis for a measurement of absorption coefficient in reverberation room-Investigation on decay curve-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2013-51, pp1-8, December, 2013 Authors: Reiji TOMIKU, Toru OTSURU, Noriko OKAMOTO, Takeshi OKUZONO and Daisuke ADACHI |
| ■ | "Numerical investigation on in-situ measurement of absorption characteristics of materials" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2013-29, pp1-6, July, 2013 Authors: Noriko OKAMOTO, Toru OTSURU, Reiji TOMIKU, Takeshi OKUZONO, Rikako MATSUSHIMA and Takaaki KAMIMIZU |
| ■ | "Ensemble averaged absorption characteristics of materials using an in-situ technique-Application onto the resonance-type sound absorbing materials-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2013-22, pp1-6, May, 2013 Authors: Reiji TOMIKU, Toru OTSURU, Noriko OKAMOTO, Takeshi OKUZONO and Kazuki NAKANO |
2012
| ■ | "Sound field analysis of rooms by time domain finite element method -Basic investigation on modeling of room shape-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2012-24, pp1-7, July, 2012 Authors: Takeshi OKUZONO, Toru OTSURU, Reiji TOMIKU and Noriko OKAMOTO |
2011
| ■ | "Basic study on bio-acoustics for long life wooden buildings" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2012-7, pp1-8, 2012 Authors: Reiji TOMIKU, Toru OTSURU, Noriko OKAMOTO, Masuoh FUKADA, Masafumi INOUE, Kei TANAKA, Tsuyoshi YOSHIMURA and Joseph Lai |
| ■ | "Basic investigation on humidity effect onto measurement of ensemble averaged surface normal impedance of materials using combination of microphone and particle velocity sensor" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2011-18, pp1-7, 2011 Authors: Kusno ASNIAWATY, Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO, Nazli Che Din and Hiroaki NAKANO |
| ■ | "Finite element sound field analysis on correction value of absorption coefficient in a reverberation room" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2011-17, pp1-8, 2010 Reiji TOMIKU, Toru OTSURU, Noriko OKAMOTO, Takeshi OKUZONO and Tatsuya NAKAGAWA |
| ■ | "Modeling for numerical analysis based on wave acoustics:(3) Local reaction and extended reaction" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2011-11, pp42-49, 2011 Authors: Reiji TOMIKU, Takashi ISHIDUKA, Yosuke YASUDA, Toru OTSURU, Noriko OKAMOTO and Takeshi OKUZONO |
■ | "Modeling for numerical analysis based on wave acoustics:(1) Generation and handling of geometrical data" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2011-9, pp26-33, 2011 Authors: Takuya OSHIMA, Noriko OKAMOTO, Masashi IMANO, Toru OTSURU, Reiji TOMIKU and Takeshi OKUZONO |
2010
| ■ | "Sound field analysis of rooms by finite element method-Accuracy and efficiency of a finite element using modified integration rule-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2010-40, pp1-8, 2010 Authors: Takeshi OKUZONO, Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO, Kazunari MARUYAMA and Musli Nizam |
| ■ | "Ensemble averaged surface normal impedance measurement method-Application onto a car cabin-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2010-31, pp1-7, 2010 Reiji Tomiku, Toru Otsuru, Noriko Okamoto, Nazli Che Din, Asniawaty Kusno and Rei Matsumoto |
| ■ | "Sound field analysis of rooms by time domain finite element method-Basic investigation on modeling of room shape-" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2010-16, pp1-7, 2010 Authors: Takeshi OKUZONO, Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO and Tatsuya IMAI |
2009
| ■ | "Experimental verification of ensemble averaged surface normal impedance method of material in experimental rooms" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2009-72, pp1-8, 2009 Authors：Nazli Che Din, Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO, Asniawaty Kusno and Yuka KIKKAWA |
| ■ | "Ensemble averaged surface normal impedance measurement method: Calculation of ramdom incident sound absorption coefficient" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2009-39, pp1-7, 2009 Authors：Noriko OKAMOTO, Toru OTSURU, Reiji TOMIKU and Nazli Che Din |
| ■ | "Finite element sound field analysis for a measurement of the absorption coefficient in a reverberation room" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2009-40, pp1-6, 2009 Authors：Reiji TOMIKU, Toru OTSURU, Takeshi OKUZONO, Noriko OKAMOTO and Wakana MAEDA |
2008
| ■ | "Benchmark problem on calculating inpulse responses in a chamber with absorption materials" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2009-12, pp1-8, 2009 Authors：Takatoshi YOKOTA, Takeshi OKUZONO, Reiji TOMIKU and Toru OTSURU |
| ■ | "Numerical simulation on sound absorption performance of material" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2009-14, pp1-8, 2009 Authors：Reiji TOMIKU, Toru OTSURU, Noriko Okamoto and Takeshi OKUZONO |
| ■ | "Measurement of
Absorption Characteristics of Materials using EA-Noise Method - Concept of Ensemble Averaging and Investigation on the Edge Effect -" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2008-59, pp1-8, 2008 Authors：Nazli Che Din, Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO and Yuka KIKKAWA |
2007
| ■ | "Investigation on
a measurement of an averaged sound pressure levels in rooms using finite element sound field analysis" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2007-34, pp1-8, 2007 Authors：Yuka KUROGI, Toru OTSURU, Reiji TOMIKU and Noriko OKAMOTO |
2006
| ■ | "Performance of
iterative methods for time domain finite element sound field analysis of rooms" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2007-08, pp1-8, 2007 Authors：Takeshi OKUZONO, Toru OTSURU, Noriko OKAMOTO and Toshihide SUEYOSHI |
| ■ | "Finite Element Sound Field Analysis of Rooms Using Iterative Method" Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2006-14, pp1-8, 2006 Authors：Noriko OKAMOTO, Toru OTSURU, Takeshi OKUZONO, Reiji TOMIKU and Yosuke YASUDA |
2005
| ■ |
"Measurement of absorption characteristics of materials using
ambient noise - Basic characteristics of pu sensor and application for measurement
of absorption/intensity -"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2005-51, pp. 1-8, Issue 12, 2005 Authors：Toru OTSURU, Reiji TOMIKU, NAZLI BIN CHE DIN, Atsushi IGASHIRA, and Jeahun JEONG |
| ■ |
"Lumped Acoustic Dissipation Modeling and Absolute Diagonal
Scaling for Large-scale Finite Element Sound Field Analysis"
Reports pf the Faculty of Engineering Oita University, No.52, pp1-8, 2005 Authors：Toru OTSURU, Noriko OKAMOTO and Reiji TOMIKU |
| ■ |
"Convergence of COCG Method for Architectural Acoustic Problems"
Reports pf the Faculty of Engineering Oita University, No.52, pp9-16, 2005 Authors：Noriko OKAMOTO, Toru OTSURU and Reiji TOMIKU |
| ■ |
"Construction of "AIJ-BPCA" Benchmarking Platform for Computational
Method on Architectural/Building Acoustics"
Reports pf the Faculty of Engineering Oita University, No.52, pp17-22, 2005 Authors：Reiji TOMIKU and Toru OTSURU |
| ■ |
"A Fundamental Research on Floor Impact Sound in Asian Multiple
Dwelling Houses - Field Surveys in Korea and Malaysia -"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2005-45, pp. 1-8, Issue 10, 2005 Authors：Jeahun JEONG, NAZLI BIN CHE DIN, Toru OTSURU, Reiji TOMIKU, and Kyunghee LEE |
| ■ |
"A STUDY ON ENVIRONMENT IN HOSPITAL - Sound Environment of ICU -"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2005-22, pp. 1-8, Issue 6, 2005 Authors：Miki TOYOMASU, and Toru OTSURU |
| ■ |
"Convergence of COCG method applied to finite element sound
field analysis of rooms"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. No. AA2005-13, pp.1-8, Issue 4, 2005 Authors：Noriko OKAMOTO, Toru OTSURU and Reiji TOMIKU |
| ■ |
"Performance of IBM eServer p5 model 595 for finite element
sound field analysis of rooms"
Proc. Computing and Communications Center Press Kyushu university，Vol. 5，No. 2，pp.69-74，2005 Authors：Takeshi OKUZONO, Toru OTSURU, Noriko OKAMOTO and Reiji TOMIKU |
| ■ |
"Example computations of interior AIJ-BPCA: a basic problem, a small hall and a reverberation room"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2005-12, pp. 1-8, Issue 2, 2005 Authors：Yosuke YASUDA，Shinichi SAKAMOTO，Takatoshi YOKOTA，Reiji TOMIKU，Toru OTSURU，Takayuki MASUMOTO and Takuya OSHIMA |
| ■ |
"AIJ-BPCA Benchmarking Platform for Computational Method on
Environmental Acoustics"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2005-8, pp. 1-6, Issue 2, 2005 Authors：Reiji TOMIKU，Toru OTSURU，Tetsuya SAKUMA and Shinichi SAKAMOTO |
| ■ |
"Fundamental Research on Prediction and Evaluation of Environmental
Noise - The Actual Conditions of the Speed of Cars in Parking Lots and Noise Measurement
used GPS -"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2005-2, pp. 1-6, Issue 2, 2005 Authors：Reiji TOMIKU, Toru OTSURU, Miki SHIMAZAWA, Yasuo TAKAHASHI, and Noriko OKAMOTO |
| ■ |
"In Situ Measurement of Absorption Characteristics of Materials
by Using Environmental Anonymous Noise - Measured Absorption Characteristics
and Relationships with Normal Impedance -"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2004-28, pp.1-8, Issue 6, 2004 Authors：Yasuo TAKAHASHI, Toru OTSURU, Masayuki KAZAORE, and Reiji TOMIKU |
| ■ |
"A Study on Sound Environment in Hospitals - Sound Environment
at Waiting Areas -"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2003-43, pp.1-8, Issue 12, 2003 Authors：Miki TOYOMASU, Toru OTSURU, Noriko OKAMOTO, Reiji TOMIKU, and Yuki UCHINOURA |
| ■ |
"Errors of room impulse response measurements caused by background
noise"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2003-35, pp. 1-8, Issue 11, 2003 Authors：Yuki UCHINOURA, Toru OTSURU, Reiji TOMIKU, and Midori YAMAMOTO |
| ■ |
"Large-scale finite element sound field analysis of rooms"
Proc. Computing and Communications Center Press Kyushu university, Vol. 3, No. 3, pp. 211-215, Issue 11, 2003 Authors：Toru OTSURU, Reiji TOMIKU, Noriko OKAMOTO, and Midori FUKUDA |
| ■ |
"Finite Element Sound Field Analysis in Reverberation Rooms
with Absorbent Materials"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2003-09, pp. 1-8, Issue 3, 2003 Authors：Reiji TOMIKU, Toru OTSURU, Yasuo TAKAHASHI, and Masayuki KAZAORE |
| ■ |
"Basic investigation on Accuracy of Sound Fields Analysis
by Finite Element Method"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA2003-05, pp. 1-8, Issue 2, 2003 Authors：Toru OTSURU, Reiji TOMIKU, Midori FUKUDA, Yasuo TAKAHASHI, and Yuki UCHINOURA |
| ■ |
"A Study on Acoustic environment at waiting areas in hospitals"
Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. N-2002-46, pp. 1-8, Issue 7, 2002 Authors：Miki TOYOMASU, Toru OTSURU, and Yuki UCHINOURA |
| ■ |
"In Situ Measurement of Absorption Characteristics of Materials
by Using Environmental Anonymous Noise as Source Signal"
Tech. Rep.Noise Vib. Acoust. Soc. Jpn. , No. N-2002-45, pp. 1-8, Issue 7, 2002 Authors：Yasuo TAKAHASHI, Toru OTSURU, and Reiji TOMIKU |
| ■ |
"Research on the Acoustic Environments in Outpatient
Departments
in Hospitals"
Proc. REPORTS OF THE FACULTY OF ENGINEERING OITA UNIVERSITY, No.43, pp. 105-112, Issue 3, 2001 Authors：Miki TOYOMASU, Toru OTSURU, Noriko OKAMOTO, and Reiji TOMIKU |
| ■ |
"Finite Element Analysis of Sound Fields in An Irregular-Shaped
Reverberation Room"
Proc. REPORTS OF THE FACULTY OF ENGINEERING OITA UNIVERSITY, No. 41, pp. 65-72, Issue 3, 2000 Authors：Toru OTSURU, and Reiji TOMIKU |
| ■ |
"Basic Study on Acoustic Environments in Outpatient Department
in Hospitals"
Proc. REPORTS OF THE FACULTY OF ENGINEERING OITA UNIVERSITY, No. 41, pp. 73-80, Issue 3, 2000 Authors：Miki TOYOMASU, Toru OTSURU, and Noriko OKAMOTO |
| ■ |
"Finite Element Analysis of Sound Fields in An Irregular-Shaped
Reverberation Room"
Tech. Rep. Architectural acoustics Acoust. Soc. Jpn. , No. AA99-47, pp. 1-7, Issue 10, 1999 Authors：Toru OTSURU, and Reiji TOMIKU |