図2 3種類の吸音材のモデル化精度 理論値(黒実線)と提案法(赤破線)の比較 (IMAGE) Kobe University Caption 左からグラスウール、ニードルフェルト、背後にグラスウールを挿入した微細穿孔板、縦軸の吸音率は音響材料の性能を表す指標で値が1に近いほどよく吸音します。 Credit Yoshida T, Okuzono T, Sakagami K. A Parallel Dissipation-Free and Dispersion-Optimized Explicit Time-Domain FEM for Large-Scale Room Acoustics Simulation. Buildings. 2022; 12(2):105. Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.