Search Results 1-20 of 8300

  • Analytical modeling of the interaction of an ultrasonic wave with a rough bone-implant interface

    Hériveaux Yoann , Nguyen Vu-Hieu , Biwa Shiro , Haïat Guillaume

    … The aim of the present study is to propose an analytical effective model describing the interaction between an ultrasonic wave and a rough BII. … A good agreement with numerical results obtained through finite element simulation was obtained. …

    Ultrasonics (108), 2020-12

    IR 

  • Force generation by a propagating wave of supramolecular nanofibers

    Kubota Ryou , Makuta Masahiro , Suzuki Ryo , Ichikawa Masatoshi , Tanaka Motomu , Hamachi Itaru

    … Here, we describe force generation by a propagating wave of supramolecular nanofibers. … Real-time fluorescent imaging successfully visualizes the propagating wave based on spatiotemporally coupled generation and collapse of nanofibers. … Numerical simulation indicates that the concentration gradient of degradation stimulus and the smaller diffusion coefficient of the nanofiber are critical for wave emergence. …

    Nature Communications (11), 2020-07-15

    IR 

  • Control of Noise and Vibration in Automobiles  [in Japanese]

    松村 修二

    自動車技術 = Journal of Society of Automotive Engineers of Japan 74(7), 16-22, 2020-07

  • Control of Reflected Stress Waves from Connecting Part between Two Cylindrical Rods with Same Impedance  [in Japanese]

    小林 秀敏 , 堀川 敬太郎 , 谷垣 健一

    シミュレーション = Journal of the Japan Society for Simulation Technology 39(2), 108-116, 2020-06

  • Parameter estimation and prediction for coronavirus disease outbreak 2019 (COVID-19) in Algeria

    Bentout Soufiane , Chekroun Abdennasser , Kuniya Toshikazu

    … Background: The wave of the coronavirus disease outbreak in 2019 (COVID-19) has spread all over the world. … Moreover, we discuss the effect of intervention in a certain period by numerical simulation. …

    AIMS Public Health 7(2), 306-318, 2020-05-22

    IR 

  • Magnetostatic Wave Propagation over Different Bias Magnetic Field

    Satoshi YAKATA , 家形 諭 , ヤカタ サトシ

    … The propagation of magnetostatic wave in ferromagnetic material was investigated using micromagnetic simulation. … Inferromagnetic medium, magnetostatic wave excited by rf magnetic field and the propagation over different internal magnetic fieldwas observed. … It is found that magnetostatic wave partially penetrated through the boundary between the regions which has differentmagnetic field. …

    福岡工業大学総合研究機構研究所所報 (2), 19-22, 2020-04-21

    IR 

  • Visual Simulation of Wave Propagation on Arbitrary Surface Using Displacement Mapping : Distortion correction by cube maps  [in Japanese]

    吉良 俊亮 , 中山 雅紀 , 藤代 一成

    映像情報メディア学会技術報告 = ITE technical report 44(10), 17-20, 2020-03

  • LONG PERIOD GROUND MOTION SIMULATION OF THE 2011 OFF THE PACIFIC COAST OF TOHOKU EARTHQUAKE USING THEORETICAL GREEN'S FUNCTION:Examination based on Inverted Pseudo Point Source Model  [in Japanese]

    KASAMATSU Kentaro , KATO Kenichi

    … In particular, in the Kanto plain where thick sedimentary layers are distributed, we were able to simulate the characteristics such as large-amplitude ground motions propagated for a long time after S wave arrival.</p><p> In this mega thrust earthquake, large amplitude with long-period ground motions were observed in Osaka bay area seven hundred kilometers away from the hypocenter (e.g. Sato <i>et al</i>., 2012). …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (769), 427-437, 2020-03

    J-STAGE  AIJ 

  • Turbine Characteristics of Wave Energy Conversion Device for Extraction Power Using Breaking Waves

    Paresh Halder , Hideki Takebe , Krisna Pawitan , Jun Fujita , Shuji Misumi , Tsumoru Shintake

    … A new type of wave energy converter which harnesses electricity from onshore breaking waves has been studied at Okinawa Institute of Science and Technology Graduate University (OIST) since 2014. … Wave energy conversion is possible when waves approaching the shore steepen due to decreased water depth resulting in wave breaks near the surface. … A steepened wave reaches the critical velocity of 4~6 m/sec shoreward before it breaks. …

    Energies 13(4), 966, 2020-02-21

    IR 

  • V&V Workshop on CFD Modeling of Flowfield in Expansion Tube  [in Japanese]

    松山 新吾 , Matsuyama Shingo

    … 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (July 1-3, 2019. … International Conference Center, Waseda University), Shinjuku-ku, Tokyo, JapanThe first V & V (Verification and Validation) workshop on CFD modeling of flowfield in expansion tube was held in the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium. …

    宇宙航空研究開発機構特別資料: 第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム論文集 = JAXA Special Publication: Proceedings of the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (JAXA-SP-19-007), 231-237, 2020-02-04

    IR 

  • Effect of the disturbance velocity component on jet diffusion in a supersonic jet  [in Japanese]

    渡辺 大輔 , Watanabe Daisuke

    … 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (July 1-3, 2019. … The numerical results show that the inflow disturbance of the only u(sub r) component is easily accepted into the jet as the helical mode than the case of the only u(sub θ) component and u(sub x) component without azimuthal wave number dependency. …

    宇宙航空研究開発機構特別資料: 第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム論文集 = JAXA Special Publication: Proceedings of the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (JAXA-SP-19-007), 135-139, 2020-02-04

    IR 

  • Generations of Shock Waves Using Simplified Forced-rupture Method  [in Japanese]

    石井 翔太 , 山崎 颯太 , 舩津 賢人 , 木村 敦史 , Ishii Shota , Yamazaki Sota , Funatsu Masato , Kimura Atsushi

    … 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (July 1-3, 2019. … The pressure waveform of the shock wave was obtained by using pressure sensors. …

    宇宙航空研究開発機構特別資料: 第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム論文集 = JAXA Special Publication: Proceedings of the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (JAXA-SP-19-007), 119-123, 2020-02-04

    IR 

  • A Trial for Scramjet Engine Performance Improvement: Improvement for Fuel Equivalence Ratio Distribution  [in Japanese]

    佐藤 茂 , 福井 正明 , 宗像 利彦 , 渡邉 孝宏 , 髙橋 正晴 , Sato Shigeru , Fukui Masaaki , Munakata Toshihiko , Watanabe Takahiro , Takahashi Masaharu

    … 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (July 1-3, 2019. … In order to solve the problem, the authors are focusing the influence of cowl shock wave and strut shock wave on the engine flow field to search the engine flow field detail by using CFD. …

    宇宙航空研究開発機構特別資料: 第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム論文集 = JAXA Special Publication: Proceedings of the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (JAXA-SP-19-007), 99-106, 2020-02-04

    IR 

  • Effects of Turbulence Models on the Unsteady Transonic Aerodynamics Around an Oscillating Shock-Free Airfoil  [in Japanese]

    磯貝 紘二 , Isogai Koji

    … 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (July 1-3, 2019. … It is shown that both the models give the fair agreement with the experimental data of pressure distributions and the lift and pitching moment for the shock-free condition while they give poor agreement with those of the experiment for the off-design condition where the strong shock wave exists on the upper surface of the airfoil.Physical characteristics: Original contains illustrations …

    宇宙航空研究開発機構特別資料: 第51回流体力学講演会/第37回航空宇宙数値シミュレーション技術シンポジウム論文集 = JAXA Special Publication: Proceedings of the 51st Fluid Dynamics Conference / the 37th Aerospace Numerical Simulation Symposium (JAXA-SP-19-007), 89-98, 2020-02-04

    IR 

  • Numerical Simulation (Wave Analysis)  [in Japanese]

    廣瀬 壮一

    非破壊検査 : 検査と材料評価 : journal of the Japanese Society for Non-destructive Inspection 69(2), 87-97, 2020-02

  • Sensing Technologies for Realizing Automated Vehicle  [in Japanese]

    柳井 謙一 , 松岡 俊彦 , 松村 宏志

    自動車技術 = Journal of Society of Automotive Engineers of Japan 74(2), 23-28, 2020-02

  • Simulation of rotating sound field excited by flexural vibration rings  [in Japanese]

    里信 純 , 高橋 周平

    … To produce the traveling wave in the ring as the sound source, two standing wavesexcited both spatially and temporally orthogonal to each other should be superimposed in the ringusing two or more transducers. … Thispaper presents a numerical simulation of rotating sound field excited by flexural vibration rings, inparticular, methods using two vibration rings, each with the standing wave, is discussed. …

    広島工業大学紀要. 研究編 54, 101-105, 2020-02

    IR 

  • Transmission Performance for Computer Simulation and Field Experiment in ELTRES System  [in Japanese]

    田﨑 英之 , 福重 優貴 , 長田 良介 , 山口 一弘 , 松江 英明

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 119(377), 31-36, 2020-01-23

  • Transmission Performance for Computer Simulation and Field Experiment in ELTRES System  [in Japanese]

    田﨑 英之 , 福重 優貴 , 長田 良介 , 山口 一弘 , 松江 英明

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 119(376), 31-36, 2020-01-23

  • Loss of the Rarefaction Wave during Plasma Sheet Thinning

    TRETLER Rudolf , TATSUNO Tomo , HOSOKAWA Keisuke

    … An initial disturbance generates a rarefaction wave. … In the 1D model the rarefaction wave propagates tailward at sound velocity, which is regarded as a signature of the thinning. … However, in the MHD simulation of the 2D model the rarefaction wave is quickly lost in the plasma sheet recompression, while the thinning continues propagating at a slower velocity. …

    Plasma and Fusion Research 15(0), 2401053-2401053, 2020

    J-STAGE 

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