Computational Simulation in Architectural and Environmental by Tetsuya Sakuma, Shinichi Sakamoto, Toru Otsuru

By Tetsuya Sakuma, Shinichi Sakamoto, Toru Otsuru

This e-book stories numerous tools for wave-based acoustic simulation and up to date functions to architectural and environmental acoustic problems.

Following an advent supplying an summary of computational simulation of sound surroundings, the e-book is in components: 4 chapters on equipment and 4 chapters on functions. the 1st half explains the basics and complicated ideas for 3 renowned tools, particularly, the finite-difference time-domain approach, the finite aspect procedure, and the boundary point approach, in addition to replacement time-domain tools. the second one half demonstrates quite a few purposes to room acoustics simulation, noise propagation simulation, acoustic estate simulation for construction parts, and auralization.

This booklet is a precious reference that covers the state-of-the-art in computational simulation for architectural and environmental acoustics.

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Additional resources for Computational Simulation in Architectural and Environmental Acoustics: Methods and Applications of Wave-Based Computation

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A. Auld, Acoustic Fields and Waves in Solids, vol. 1, 2nd edn. (Krieger, Malabar, 1990) 15. L. Cremer, M. T. Petersson, Structure-Borne Sound, 3rd edn. (Springer, Berlin, 2005) 16. M. Sato, Fundamental investigation of shear and surface elastic waves in soft biological tissues by numerical simulation. Jpn. J. Appl. Phys. 1 34(5B), 2808–2811 (1995) 17. F. Iijima, T. Tsuchiya, N. Endoh, Analysis of characteristics of underwater sound propagation in the ocean by a finite difference time domain method.

Therefore, virtual reference points are assumed outside the boundary, and their values are determined such that the mean normal stresses on the boundary are zero. 90) Tx x (I, j, k) + Tx x (I + 1, j, k) = 0. 91) Additionally, the related term to vacuum in the numerator in Eq. 85) becomes zero. For example, the averaged density on the free boundary with an uniform mesh becomes ρ/2 when one of the adjacent two media is vacuum and the other has a density ρ. 4 Discretization For example, Eq. 5) Tzx zx + .

4, 341–359 (1996) 35. T. Uno, Finite Difference Time Domain Method for Electromagnetic Field and Antennas (Corona Publishing Co. Ltd, San Antonio, 1998). (in Japanese) 36. O. Schenk, K. Gartner, Solving unsymmetric sparse systems of linear equations with pardiso. J. Future Gen. Comp. Sys. 20, 475–487 (2004) 37. S. Sakamoto, Phase-error analysis of high-order finite difference time domain scheme and its influence on calculation results of impulse response in closed sound field. Acoust. Sci. Tech.

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