papers

-Papers-

T. Oshima, Finite-diffrrence time-domain acousitc simulation technique in generalized curvilinear coordinates using contravariant velocity and pressure for leapfrog time marching, Proc. Journal of Environmental Engineering (Transactions of AIJ), No. 599, pp. 9-15, 2006

N. Okamoto, T. Otsuru, R. Tomiku and S. Fujino, Convergence of COCG method applied to finite element sound field analysis of rooms, Proc. Transactions of JSCES, No. 20050027, pp. 1-6, 2005

R. Tomiku and T. Otsuru, Finite element sound field analysis for a measurement of an averaged sound pressure levels in rooms, Proc. of Inter-noise 2005, Published by CD-ROM, 2005

T. Otsuru, N. Okamoto, R. Tomiku, D. Azuma and K. Yamamura, Largescale finite element sound field analysis, design and scientific tool for room acoustics, Proc. of Inter-noise 2005, Published by CD-ROM, 2005

T. Otsuru, N. Okamoto, R. Tomiku, D. Azuma and K. Yamamura, Basic accuracy and application of large-scale finite element sound field analysis on architectural acoustics, Proc. of ICSV 12, Published by CD-ROM, 2005

R. Tomiku, T. Otsuru, D. Azuma and Y. Takahashi, Use of finite element method for comparison of sound field diffuseness in reverberation rooms with and without absorption materials, Acoust. Sci. & Tec., Vol. 26, No. 2, pp. 225-228, 2005

T. Otsuru, T. Sakuma and S. Sakamoto, Constructing a database of computational methods for environmental acoustics, Acoust. Sci. & Tec., Vol. 26, No. 2, pp. 221-224, 2005

Y. Yasuda and T. Sakuma, Convergence behavior of iterative solvers with fast multipole BEM and improvement of convergence, Tech. Rep. Acoustic imaging Acoust. Soc. Jpn., AI2005-2-4, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-35, Tech. Rep.Noise Vib. Acoust. Soc. Jpn., N-2005-43, 2005, pp. 1-8

Y. Kawai, , Calculation of a transient response in a rigid cubic room by using boundary integral equations -in connection with a benchmark problem in AIJ-BPCA-, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-28, 2005, pp. 1-6

N. Okamoto, T. Otsuru and R. Tomiku, Convergence of COCG method on finite element sound field analysis of rooms, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-13, 2005, pp. 1-8

Y. Yasuda, S. Sakamoto, T. Yokota, R. Tomiku, T. Otsuru, T. Masumoto and T. Oshima, Example computations of interior AIJ-BPCA: a basic problem, a small hall and a reverberation room, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-12, 2005, pp. 1-8

T. Oshima, Y. Kosaka, T. Okubo, T. Yokota, Y. Horinouchi, T. Masumoto, T.Samejima and T. Sakuma, Example computations of exterior AIJ-BPCA: basic problems, diffusers and barriers, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-11, 2005, pp. 1-8

R. Tomiku, T. Otsuru, T. Sakuma and S. Sakamoto, Benchmark platform for Computational Methods on Architectural/Environmental Acoustics", Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-8, 2005, pp. 1-6

Y. Kawai, T. Fukuyama and Y. Tsuchiya, A chart for estimating the distance attenuation of flanking sound passing through open windows in the exterior wall of adjoining rooms and its experimental verification, Applied Acoustics, 65, pp. 985-996, 2004

T. Sakuma, P. Svensson, A. Franck and S. Sakamoto, A round-robin test program on wave-based computational methods for room-acoustic analysis, Proc. Forum Acusticum 2002 (Sevilla), 2002.

T Sakuma, S Sakamoto and T Otsuru, A Benchmarking Framework for Wave-Based Computational Methods in Architectural Acoustics, Proc. ICA 2004, pp. I-281-I-284, Apr. 2004.

T. Otsuru, Y. Uchinoura, R. Tomiku, N. Okamoto and Y. Takahashi, Basic concept, accuracy and application of large-scale finite element sound field analysis of rooms, Proc. ICA 2004 (Kyoto), pp. I-479-I-482, Apr. 2004

T.Oshima, Y. Yasuda and T. Sakuma, A high-efficiency implementation of fast multipole boundary element method, Proc. ICA 2004 (Kyoto), pp. I-487-I-490, Apr. 2004.

R. Tomiku, T. Otsuru, Y. Takahashi and D. Azuma, A computational investigation on measurements in reverberation rooms by finite element sound field analysis, Proc. ICA 2004 (Kyoto), pp. II-941-II-942, Apr. 2004

N. Okamoto, T. Otsuru, R. Tomiku and M. Fukuda, Investigations on performance of iterative solvers for large-scale sound field analysis by finite element method, Proc. ICA 2004 (Kyoto), pp. III-2367-III-2368, Apr. 2004

Y. Kawai and T. Yamanaka, Noise propagation through an aperture in rigid wall of finite thickness and its control, Proc. ICA 2004 (Kyoto), pp. IV-2485-IV-2488, Apr. 2004

Y. Yasuda and T. Sakuma, Effective Use of Hierarchical Cell Structure for the Fast Multipole Boundary Element Method, Proc. ICA 2004 (Kyoto), pp. IV-2707-IV-2710, Apr. 2004.

T. Yokota, S. Sakamoto, H. Tachibana, M. Ikeda, K. Takahashi and T. Otsuru, Comparison of room impulse response calculated by the simulation methodsbased on geometrical acoustics and wave acoustics, Proc. ICA 2004 (Kyoto), pp. IV-2715-IV-2716, Apr. 2004.

Y. Kawai, Estimation of the area effect of sound absorption surfaces by using a boundary integral equation, Proc. International Symposium on Room Acoustics, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004

T. Otsuru, T. Sakuma and S. Sakamoto, Activities for constructing database on computational methods for environmental acoustics, Proc. International Symposium on Room Acoustics, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004

R. Tomiku, T. Otsuru, Y. Takahashi and D. Azuma, Comparison between diffuseness of sound fields in reverberation with and without absorption material by finite element method, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004

N. Okamoto, T. Otsuru, R. Tomiku and Midori Fukuda, Basic investigations on preconditioning for large-scale sound field analysis by finite element method with iterative methods, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004

Y. Yasuda and T. Sakuma, Performance of BiCG-like iterative solvers with fast multipole boundary element method and improvement of convergence, Proc. Inter-Noise 2004 (Prague), Published by CD-ROM, Aug. 2004

R. Tomiku, T. Otsuru and D. Azuma, Investigation on Averaged Sound Pressure Levels in Rooms by Finite Element Sound Field Analysis, Proc. Inter-Noise 2004 (Prague), Published by CD-ROM, Aug. 2004

N. Okamoto, T. Otsuru, R. Tomiku and T. Okuzono, Relationships between Sound Fields and Convergence Characteristics of Iterative Methods in Finite Element Sound Field Analysis of Rooms, Proc. Inter-Noise 2004 (Prague), Published by CD-ROM, Aug. 2004


top	introduction	directions	Benchmark Problems	Papers

	*-Papers-* T. Oshima, Finite-diffrrence time-domain acousitc simulation technique in generalized curvilinear coordinates using contravariant velocity and pressure for leapfrog time marching, Proc. Journal of Environmental Engineering (Transactions of AIJ), No. 599, pp. 9-15, 2006 N. Okamoto, T. Otsuru, R. Tomiku and S. Fujino, Convergence of COCG method applied to finite element sound field analysis of rooms, Proc. Transactions of JSCES, No. 20050027, pp. 1-6, 2005 R. Tomiku and T. Otsuru, Finite element sound field analysis for a measurement of an averaged sound pressure levels in rooms, Proc. of Inter-noise 2005, Published by CD-ROM, 2005 T. Otsuru, N. Okamoto, R. Tomiku, D. Azuma and K. Yamamura, Largescale finite element sound field analysis, design and scientific tool for room acoustics, Proc. of Inter-noise 2005, Published by CD-ROM, 2005 T. Otsuru, N. Okamoto, R. Tomiku, D. Azuma and K. Yamamura, Basic accuracy and application of large-scale finite element sound field analysis on architectural acoustics, Proc. of ICSV 12, Published by CD-ROM, 2005 R. Tomiku, T. Otsuru, D. Azuma and Y. Takahashi, Use of finite element method for comparison of sound field diffuseness in reverberation rooms with and without absorption materials, Acoust. Sci. & Tec., Vol. 26, No. 2, pp. 225-228, 2005 T. Otsuru, T. Sakuma and S. Sakamoto, Constructing a database of computational methods for environmental acoustics, Acoust. Sci. & Tec., Vol. 26, No. 2, pp. 221-224, 2005 Y. Yasuda and T. Sakuma, Convergence behavior of iterative solvers with fast multipole BEM and improvement of convergence, Tech. Rep. Acoustic imaging Acoust. Soc. Jpn., AI2005-2-4, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-35, Tech. Rep.Noise Vib. Acoust. Soc. Jpn., N-2005-43, 2005, pp. 1-8 Y. Kawai, , Calculation of a transient response in a rigid cubic room by using boundary integral equations -in connection with a benchmark problem in AIJ-BPCA-, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-28, 2005, pp. 1-6 N. Okamoto, T. Otsuru and R. Tomiku, Convergence of COCG method on finite element sound field analysis of rooms, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-13, 2005, pp. 1-8 Y. Yasuda, S. Sakamoto, T. Yokota, R. Tomiku, T. Otsuru, T. Masumoto and T. Oshima, Example computations of interior AIJ-BPCA: a basic problem, a small hall and a reverberation room, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-12, 2005, pp. 1-8 T. Oshima, Y. Kosaka, T. Okubo, T. Yokota, Y. Horinouchi, T. Masumoto, T.Samejima and T. Sakuma, Example computations of exterior AIJ-BPCA: basic problems, diffusers and barriers, Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-11, 2005, pp. 1-8 R. Tomiku, T. Otsuru, T. Sakuma and S. Sakamoto, Benchmark platform for Computational Methods on Architectural/Environmental Acoustics", Tech. Rep. Architectural acoustics Acoust. Soc. Jpn., AA2005-8, 2005, pp. 1-6 Y. Kawai, T. Fukuyama and Y. Tsuchiya, A chart for estimating the distance attenuation of flanking sound passing through open windows in the exterior wall of adjoining rooms and its experimental verification, Applied Acoustics, 65, pp. 985-996, 2004 T. Sakuma, P. Svensson, A. Franck and S. Sakamoto, A round-robin test program on wave-based computational methods for room-acoustic analysis, Proc. Forum Acusticum 2002 (Sevilla), 2002. T Sakuma, S Sakamoto and T Otsuru, A Benchmarking Framework for Wave-Based Computational Methods in Architectural Acoustics, Proc. ICA 2004, pp. I-281-I-284, Apr. 2004. T. Otsuru, Y. Uchinoura, R. Tomiku, N. Okamoto and Y. Takahashi, Basic concept, accuracy and application of large-scale finite element sound field analysis of rooms, Proc. ICA 2004 (Kyoto), pp. I-479-I-482, Apr. 2004 T.Oshima, Y. Yasuda and T. Sakuma, A high-efficiency implementation of fast multipole boundary element method, Proc. ICA 2004 (Kyoto), pp. I-487-I-490, Apr. 2004. R. Tomiku, T. Otsuru, Y. Takahashi and D. Azuma, A computational investigation on measurements in reverberation rooms by finite element sound field analysis, Proc. ICA 2004 (Kyoto), pp. II-941-II-942, Apr. 2004 N. Okamoto, T. Otsuru, R. Tomiku and M. Fukuda, Investigations on performance of iterative solvers for large-scale sound field analysis by finite element method, Proc. ICA 2004 (Kyoto), pp. III-2367-III-2368, Apr. 2004 Y. Kawai and T. Yamanaka, Noise propagation through an aperture in rigid wall of finite thickness and its control, Proc. ICA 2004 (Kyoto), pp. IV-2485-IV-2488, Apr. 2004 Y. Yasuda and T. Sakuma, Effective Use of Hierarchical Cell Structure for the Fast Multipole Boundary Element Method, Proc. ICA 2004 (Kyoto), pp. IV-2707-IV-2710, Apr. 2004. T. Yokota, S. Sakamoto, H. Tachibana, M. Ikeda, K. Takahashi and T. Otsuru, Comparison of room impulse response calculated by the simulation methodsbased on geometrical acoustics and wave acoustics, Proc. ICA 2004 (Kyoto), pp. IV-2715-IV-2716, Apr. 2004. Y. Kawai, Estimation of the area effect of sound absorption surfaces by using a boundary integral equation, Proc. International Symposium on Room Acoustics, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004 T. Otsuru, T. Sakuma and S. Sakamoto, Activities for constructing database on computational methods for environmental acoustics, Proc. International Symposium on Room Acoustics, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004 R. Tomiku, T. Otsuru, Y. Takahashi and D. Azuma, Comparison between diffuseness of sound fields in reverberation with and without absorption material by finite element method, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004 N. Okamoto, T. Otsuru, R. Tomiku and Midori Fukuda, Basic investigations on preconditioning for large-scale sound field analysis by finite element method with iterative methods, Proc. International Symposium on Room Acoustics : Design and Science 2004 (Hyogo), Published by CD-ROM, Apr. 2004 Y. Yasuda and T. Sakuma, Performance of BiCG-like iterative solvers with fast multipole boundary element method and improvement of convergence, Proc. Inter-Noise 2004 (Prague), Published by CD-ROM, Aug. 2004 R. Tomiku, T. Otsuru and D. Azuma, Investigation on Averaged Sound Pressure Levels in Rooms by Finite Element Sound Field Analysis, Proc. Inter-Noise 2004 (Prague), Published by CD-ROM, Aug. 2004 N. Okamoto, T. Otsuru, R. Tomiku and T. Okuzono, Relationships between Sound Fields and Convergence Characteristics of Iterative Methods in Finite Element Sound Field Analysis of Rooms, Proc. Inter-Noise 2004 (Prague), Published by CD-ROM, Aug. 2004