OTSURU Toru

FacultyFaculty of Science and Technology
PositionProfessor
 

Profile

Faculty

    Faculty of Science and Technology, Department of Welfare Engineering/Architecture and Faculty of EngineeringProfessor

Name

    OTSURU Toru

Degree(1)

  • Doctor of Engineering, 九州大学, Jun. 1985
  • Master of Engineering, 九州大学, Mar. 1979

Address

    700 Dannoharu,Oita 870-1192, otsuruoita-u.ac.jp, http://acoust.hwe.oita-u.ac.jp/otsurulab/index.html

Education

Classes

  • 2015, Introduction to Architecture
  • 2015, Architectural Environmental Engineering II
  • 2015, Exercise of Architectural Environmental Engineering II
  • 2015, Architectural Environmental Design
  • 2015, Architectural Environmental Design I
  • 2015, Advanced Course of Architectural Environmental Engineering 1
  • 2015, Exercise of Architectural Environmental Design II
  • 2015, Advanced Course of Building Facilities 1
  • 2015, Advanced Course of Architectural Acoustics
  • 2015, Master Thesis
  • 2016, Introduction to Architecture
  • 2016, Architectural Environmental Engineering II
  • 2016, Exercise of Architectural Environmental Engineering II
  • 2016, Architectural Environmental Design
  • 2016, Architectural Environmental Design I
  • 2016, Advanced Course of Architectural Environmental Engineering 1
  • 2016, Advanced Course of Building Facilities 1
  • 2016, Advanced Course of Architectural Acoustics
  • 2016, Master Thesis

Research Achievements

Field of Study

    Architectural Environmental Engineering

Research content keyword

    (subject1) FEM, BEM, room acoustics, wave equation, simulation (subject2) FEM, noise control, sound intensity, FEM modal analysis, digital signal processing

Research Title

  • Computational Room Acoustics, To compute a room
  • Sound insulation and absorption analysis, Analyze the mechanizm of materials
  • Noise control in built environments, Evaluate, measure and control noise in built environments.
  • Environmental sybbiotic dwellings supported by bioacoustics approach, Long life dwellings

Papers

  • 2009, Ensemble averaged surface normal impedance of material using an in-situ technique: Preliminary study using boundary element method, Journal of Acoustical Society of America, 2009
  • 2012, Finite Element Method - method outline -, 「音環境の数値シミュレーション」, 2012
  • 2013, A finite-element method using dispersion reduced spline elements for room acoustics simulation, Applied Acoustics, 2013
  • 2013, Reproductibility and applicability of ensemble averaged surface normal impedance of materials using an in-situ technique, Acoustics Australia , 2013
  • 2013, A finite-element method using dispersion reduced spline elements for room acoustics simulation, Acoustical Science and Technology, 2013
  • 2014, A finite-element method using dispersion reduced spline elements for room acoustics simulation, Applied Acoustics, 2014
  • 2013, A practical system to predict the absorption coefficient, dimension and reverberation time of room using GLCM, DVP and neural network , International Journal of Automotive and Mechanical Engineering, 2013
  • 2014, Computational Simulation in Architectural and Environmental Acoustics, Splinger, 2014
  • 2014, Absorption modeling with ensemble averaged impedance for wave-based room acoustics simulations, Proc. of Internoise2014, 2014
  • 2014, Application of in-situ method for measuring sound absorption coefficient of direct piercing carved wood panel with daun sireh motif , Applied Mechanics and Materials, 2014
  • 2014, Application of an in-situ measurement method using ensemble averaging technique to material development, 日本建築学会技術報告集, 2015
  • 2015, Uncertainty examination of ensemble averaging method for sound absorption of materials in a reverberation room, Acoustical Science and Technology, 2015
  • 2015, Applicability of an explicit time-domain finite-element method on room acoustics simulation, Acoustical Science and Technology, 2015
  • 2015, Acoustic Absorption Characteristics of Perforated Thin Plate with Air Jets and Cavity, Open Journal of Fluid Dynamics, 2015
  • 2016, An explicit time-domain finite element method for room acoustics simulations: Comparison of the performance with implicit methods, Applied Acoustics, 2016
  • 2016, Uncertainty examination of ensemble averaging method for sound absorption of materials in a reverberation room, Acoustical Science & Technology, 2016

Books

  • 2008, Computational Acoustics of Noise Propagation in Fluids, Different types of finite elements, Springer, 2008
  • 2011, Computational Simulation of Sound Environment - Techniques and Applications of Wave-Based Acoustics-, Finite Element Method, 日本建築学会, 2011

Industrial Property

  • 2007, Measurement Method of Acoustic Impedance and Absorption Coefficient

Prizes

  • The Prize of AIJ 2010, Architectural Institute of Japan, May 2010
  • Award of Environmental Acoustics , The Acoustical Society of Japan, Mar. 2016

Learned Societies to Belong

  • Institution of Noise Control Engineering of Japan
  • Japan Audiological Society
  • The Illumination Engineering Institute of Japan
  • Architectural Institute of Japan
  • Acoustical Society of Japan, 2014
  • Acoustical Society of America
  • WESPAC, 2014

Grant-in-aid for Scientific Research

  • Macroscopic modeling of boundary conditions for wave-based acoustic simulations on architectural environment, 2012-2014
  • Bio-acoustical approach for long life earth sweet home, 2012-2014
  • Establishing the architectural acoustics simulation technique with sound absorption measurement method under uncertainty control, 2016-2018
  • 2016-2018

Grant-in-aid for Scientific Research(For10years)

  • In-situ sound absorption measurement of materials by use of ambient noise, 2004-2006
  • Constructing Database for Architectural/Environmental Acoustics, 2003-2005
  • Construction and application of sound database for architectural/environmental acoustics, 2001-2002
  • International research on the multimedea educational system on architectural acoustics by using internet, 1999-2001
  • Academic expansion of arcitectural acoustics by use of particle velocity measurement, 2007-2009
  • Development of inter-university multimedea education system for architectural/environmental acoustics, 2007-2009
  • Bio-acoustics for a long life timber building, 2009-2011

Collaborative Research and Sponsored Research

  • 2007, オフィス環境音場数値解析
  • 2007, The improvement of echo sound field for A-hall

Social Contribution

Social Activities

  • 2007
  • 2008

International Research Project

  • 2008, 2008 Digital Signal Processing
  • 2005, 2005. Improvement of sound field in A-hall Project


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