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February 28, 2026Japanese Journal of JSCE0 citations

Development of Traffic Noise Evaluation System Based on Large Scale Parallel Finite Element Analysis Using Amr Method

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HMH. MiyauchiChuo UniversityKKKazuo KashiyamaJapan Agency for Marine-Earth Science and TechnologyHYHitoshi YOSHIKAWAMiwa Hospital

Key Points

  • The study aims to develop a high-precision system for evaluating traffic noise using advanced computational techniques.
  • Combines finite element analysis with adaptive mesh refinement (AMR) method.
  • Utilizes perfectly matched layer (PML) method for open boundary condition handling.
  • Incorporates time-varying convolution for moving sound sources.
  • Employs mixed reality technology with head-mounted display for auditory visualization.
  • Successful development of a traffic noise evaluation system integrating advanced analysis techniques.
  • Validation of the proposed method against reference solutions and real-world data shows strong accuracy and reliability.
  • Demonstrated capability of the system in simulating complex noise environments.

Abstract

本論文では，インパルス応答解析に基づく有限要素法とAdaptive Mesh Refinement (AMR)法を組み合わせた高精度な大規模音場解析手法を提案する．開境界処理手法としては，高精度な開境界条件処理が可能であるPML法を用いた．また，移動音源の考慮には，時変畳み込み演算を用いた．さらに，ヘッドマウントディスプレイ(HMD)を用いた可聴化機能を備えるMR (Mixed Reality:複合現実)技術による交通騒音評価システムを開発した．提案手法の妥当性と有効性を検証するために，参照解や試験走路での実測データとの比較を行った．

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Cite This Study

Miyauchi et al. (2026) studied this question.

synapsesocial.com/papers/69a286b80a974eb0d3c01e16https://doi.org/10.2208/jscejj.25-15013
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