Art

J-GLOBAL ID：201702222516427816   Reference number：17A0148791

2.5-Dimensional finite-difference time-domain analysis for propagation of conventional railway noise: Application to propagation of sound from surface railway and its verification by scale model experiments

在来型鉄道騒音の伝搬に対する2.5次元有限差分時間領域解析 線路表面からの音波伝搬への応用及びその縮尺モデル実験による実証

Author (3)： Hiroe Masaaki (Kobayasi Institute of Physical Research) ,  Kobayashi Tomohiro (Kobayasi Institute of Physical Research) ,  Ishikawa Satoshi (JR East Consultants Co./Graduate School of Frontier Sciences, University of Tokyo)
Material： Acoustical Science and Technology (Web)  (Acoust Sci Technol (Web))
Volume： 38  Issue： 1  Page： 42-45(J-STAGE)  Publication year： 2017 
JST Material Number： U0399A  ISSN： 1347-5177  Document type： Article
Article type： 短報  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： *finite difference time domain method ,  *railroad noise ,  railway ,  railway line ,  scale model ,  acoustic wave propagation ,  spectrum ,  computer simulation
Semi thesaurus term： *finite difference time-domain analysis ,  scale model ,  conventional railroad line ,  frequency spectrum

Author keywords (5)： 2.5D-FDTD analysis ,  Conventional railway noise ,  Sound propagation ,  Noise barrier ,  Shielding effect

JST classification (1)： Railway noise and vibration  (TC01020C)

Reference (7)：

• 1) M. Hiroe, J. Kaku, K. Mori, Y. Takakuwa and S. Nozawa, ``Numerical analysis on the shielding effects of noise barriers against bogie noise by finite-difference time-domain method,'' Proc. Inter-Noise 2007, in07_326, Istanbul (2007).
• 2) T. Okubo and K. Yamamoto, ``Equivalence in diffraction-reducing efficiency between T-profile and thick barrier against road traffic noise,'' <i>Acoust. Sci. & Tech.</i>, <b>34</b>, 277-283 (2013).
• 3) S. Sakamoto, ``Development of energy-based calculation methods of noise radiation from semi-underground road using a numerical analysis,'' <i>Acoust. Sci. & Tech.</i>, <b>31</b>, 75-86 (2010).
• 4) 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,'' <i>Acoust. Sci. & Tech.</i>, <b>28</b>, 295-309 (2007).
• 5) S. Sakamoto, ``Calculation of sound propagation in three-dimensional field with constant cross section by Duhamel's efficient method using transient solutions obtained by finite-difference time-domain method,'' <i>Acoust. Sci. & Tech.</i>, <b>30</b>, 72-82 (2009).

Terms in the title (10)： 鉄道騒音 ,  伝搬 ,  5次元 ,  有限差分時間領域解析 ,  線路 ,  音波伝搬 ,  応用 ,  縮尺モデル ,  実験 ,  実証