Search Results - "Okuzono, Takeshi"

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  1. 1

    Computational Accuracy and Efficiency of Room Acoustics Simulation Using a Frequency Domain FEM with Air Absorption: 2D Study by Okuzono, Takeshi

    Published in Applied sciences (01-01-2024)
    “…Recently, to simulate sound propagation inside architectural spaces at high frequencies, the application of computationally expensive wave-based numerical…”
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    Journal Article
  2. 2

    Predicting absorption characteristics of single-leaf permeable membrane absorbers using finite element method in a time domain by Okuzono, Takeshi, Shimizu, Noriyasu, Sakagami, Kimihiro

    Published in Applied acoustics (01-08-2019)
    “…Permeable membranes (PMs), which are air-permeable thin woven fabrics or non-woven fabrics, are attractive sound-absorbing materials used to control acoustics…”
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    Journal Article
  3. 3

    High potential of small-room acoustic modeling with 3D time-domain finite element method by Okuzono, Takeshi, Yoshida, Takumi

    Published in Frontiers in built environment (02-12-2022)
    “…Applicability of wave-based acoustics simulation methods in the time domain has increased markedly for performing room-acoustics simulation. They can…”
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  4. 4

    Distinct effects of moisture and air contents on acoustic properties of sandy soil by Oshima, Takuya, Hiraguri, Yasuhiro, Okuzono, Takeshi

    “…Knowledge of distinct effects of moisture content and air volume on acoustic properties of soil is sought to predict the influence of human activities such as…”
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  5. 5

    Implementation experiment of a honeycomb-backed MPP sound absorber in a meeting room by Hoshi, Kazuma, Hanyu, Toshiki, Okuzono, Takeshi, Sakagami, Kimihiro, Yairi, Motoki, Harada, Shinji, Takahashi, Seiji, Ueda, Yasutaka

    Published in Applied acoustics (01-01-2020)
    “…This paper presents the absorption performance of honeycomb-backed microperforated panel (MPP) absorbers, which are needed to improve the acoustics of an…”
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  6. 6

    Binaural Auralization of Room Acoustics with a Highly Scalable Wave-Based Acoustics Simulation by Yoshida, Takumi, Okuzono, Takeshi, Sakagami, Kimihiro

    Published in Applied sciences (01-03-2023)
    “…This paper presents a proposal of an efficient binaural room-acoustics auralization method, an essential goal of room-acoustics modeling. The method uses a…”
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    A Parallel Dissipation-Free and Dispersion-Optimized Explicit Time-Domain FEM for Large-Scale Room Acoustics Simulation by Yoshida, Takumi, Okuzono, Takeshi, Sakagami, Kimihiro

    Published in Buildings (Basel) (01-02-2022)
    “…Wave-based acoustics simulation methods such as finite element method (FEM) are reliable computer simulation tools for predicting acoustics in architectural…”
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  9. 9

    Development of a novel RANKL-based peptide, microglial healing peptide1-AcN (MHP1-AcN), for treatment of ischemic stroke by Shimamura, Munehisa, Nakagami, Hironori, Shimizu, Hideo, Mukai, Hideyuki, Watanabe, Ryosuke, Okuzono, Takeshi, Kawano, Tomohiro, Ikeda, Yuka, Hayashi, Hiroki, Yoshida, Shota, Ju, Nan, Mochizuki, Hideki, Morishita, Ryuichi

    Published in Scientific reports (11-12-2018)
    “…Although the regulation of post-ischemic inflammation is an important strategy to treat ischemic stroke, all clinical trials have failed to show its efficacy…”
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  10. 10

    A Basic Study on the Design of Dotted-Art Heterogeneous MPP Sound Absorbers by Sakagami, Kimihiro, Kusaka, Midori, Okuzono, Takeshi

    Published in Acoustics (Basel, Switzerland) (01-09-2022)
    “…Recently, dotted-art MPPs have been proposed in which a designed pattern is made with the holes. In such a case, the MPP becomes heterogeneous in general…”
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  11. 11

    Potential of Room Acoustic Solver with Plane-Wave Enriched Finite Element Method by Okuzono, Takeshi, Mohamed, M Shadi, Sakagami, Kimihiro

    Published in Applied sciences (01-03-2020)
    “…Predicting room acoustics using wave-based numerical methods has attracted great attention in recent years. Nevertheless, wave-based predictions are generally…”
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    Journal Article
  12. 12

    Relationship between sound radiation from sound-induced and force-excited vibration: Analysis using an infinite elastic plate model by Yairi, Motoki, Sakagami, Kimihiro, Nishibara, Kosuke, Okuzono, Takeshi

    “…Although sound radiation from sound-induced vibration and from force-excited vibration of solid structures are similar phenomena in terms of radiating from…”
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  13. 13

    Application of modified integration rule to time-domain finite-element acoustic simulation of rooms by OKUZONO, Takeshi, OTSURU, Toru, TOMIKU, Reiji, OKAMOTO, Noriko

    “…The applicability of the modified integration rule for time-domain finite-element analysis is tested in sound field analysis of rooms involving rectangular…”
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    Time Domain Room Acoustic Solver with Fourth-Order Explicit FEM Using Modified Time Integration by Yoshida, Takumi, Okuzono, Takeshi, Sakagami, Kimihiro

    Published in Applied sciences (01-06-2020)
    “…This paper presents a proposal of a time domain room acoustic solver using novel fourth-order accurate explicit time domain finite element method (TD-FEM),…”
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  16. 16

    A Basic Study on the Absorption Properties and Their Prediction of Heterogeneous Micro-Perforated Panels: A Case Study of Micro-Perforated Panels with Heterogeneous Hole Size and Perforation Ratio by Kusaka, Midori, Sakagami, Kimihiro, Okuzono, Takeshi

    Published in Acoustics (Basel, Switzerland) (01-09-2021)
    “…Micro-perforated panels (MPPs) are one of the most promising alternatives to conventional porous sound-absorbing materials. Traditionally, the theory of the…”
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    On the Robustness and Efficiency of the Plane-Wave-Enriched FEM with Variable q-Approach on the 2D Room Acoustics Problem by Mukae, Shunichi, Okuzono, Takeshi, Sakagami, Kimihiro

    Published in Acoustics (Basel, Switzerland) (01-03-2022)
    “…Partition of unity finite element method with plane wave enrichment (PW-FEM) uses a shape function with a set of plane waves propagating in various directions…”
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    Finite element modeling for predicting sound insulation of fixed windows in a laboratory environment by Mimura, Marie, Okuzono, Takeshi, Sakagami, Kimihiro

    Published in Frontiers in built environment (29-08-2022)
    “…This paper presents discussion of the prediction capability of three numerical models using finite element method for predicting the sound reduction index…”
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    The Effect of Deviation Due to the Manufacturing Accuracy in the Parameters of an MPP on Its Acoustic Properties: Trial Production of MPPs of Different Hole Shapes Using 3D Printing by Sakagami, Kimihiro, Kusaka, Midori, Okuzono, Takeshi, Nakanishi, Shinsuke

    Published in Acoustics (Basel, Switzerland) (01-09-2020)
    “…In this study, we discuss the effect of the manufacturing accuracy of a microperforated panel (MPP) produced by 3D printers on acoustic properties through…”
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