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28篇 您的检索式:作者名="Satofuka"
    题名 作者 年代 出处 被引量
1Influence of Housing and Urban Development on Debris Flow Flooding and Deposition显示文摘Debris flows form deposits when they reach an alluvial fan until they eventually stop.However,houses located in the alluvial fan might affect the debris flow flooding and deposition processes.Few previous studies have considered the effects of houses on debris flow flooding and deposition.This study conducted model experiments and numerical simulations using the Kanako2D debris flow simulator to determine the influence of houses on debris flow flooding and deposition.The model experiments showed that when houses are present,the debris flow spreads widely in the cross direction immediately upstream of the houses,especially when the flow discharge is large or the grain size is small.Houses located in the alluvial fan also influence the deposition area.The presence of houses led to flooding and deposition damage in some places and reduced the damage in others.The simulation also demonstrated the influence of houses.Both the model experiment and the simulation showed that houses change the flooding and deposition areas.Kana NAKATANI Yuki OKUYAMA Yuji HASEGAWA Yoshifumi SATOFUKA Takahisa MIZUYAMA 2013Journal of Mountain Science2013,10,2:2
2Amplification of flood discharge caused by the cascading failure of landslide dams显示文摘The cascading failure of multiple landslide dams can trigger a larger peak flood discharge than that caused by a single dam failure.Therefore,for an accurate numerical simulation,it is essential to elucidate the primary factors affecting the peak discharge of the flood caused by a cascading failure,which is the purpose of the current study.First,flume experiments were done on the cascading failure of two landslide dams under different upstream dam heights,downstream dam heights,and initial downstream reservoir water volumes.Then,the experimental results were reproduced using a numerical simulation model representing landslide dam erosion resulting from overtopping flow.Finally,the factors influencing the peak flood discharge caused by the cascading failure were analyzed using the numerical simulation model.Experimental results indicated that the inflow discharge into the downstream dam at the time when the downstream dam height began to rapidly erode was the main factor responsible for a cascading failure generating a larger peak flood discharge than that generated by a single dam failure.Furthermore,the results of a sensitivity analysis suggested that the upstream and downstream dam heights,initial water volume in the reservoir of the downstream dam,upstream and downstream dam crest lengths,and distance between two dams were among the most important factors in predicting the flood discharge caused by the cascading failure of multiple landslide dams.Shoki Takayama Masamitsu Fujimoto Yoshifumi Satofuka 2021International Journal of Sediment Research2021,36,3:2
3Parallelization of lattice Bohzmann method for incompressible flow computations显示文摘Satofuka N Nishioka T 1999Computational Mechanics1999,23,:1
4Optimization design of a compressor cascade airfoil using a Navier-Stokes solver and genetic algorithms显示文摘Li J Satofuka N 2002Power and Energy2002,216,:1
5Higher-order solutions of square driven cavity flow using a variable-order multi-grid method显示文摘Hidetoshi Nishida Nobuyuki Satofuka 1992International Journal for Numerical Methods in Engineering1992,,34:1
6Suprachoroidal Hemorrhage Caused by Breakage of a 25-Gauge Cannula显示文摘Chen CJ Satofuka S Inoue M 2008Ophthalmic Surg Lasers Imaging2008,39,:1
7Inhibition of choroidal neovascularization with an anti-inflammatory carotenoid astaxanthin 显示文摘Izumi-Nagai K Nagai N Ohgami K Satofuka S Ozawa Y Tsubota K 2008Invest Ophthalmol Vis Sci2008,49,4:1
8Suppression of choroidal neovascularization by inhibiting angiotensin-converting enzyme :minimal role of bradyldnin 显示文摘Nagai N Oike Y izumi Nagai K Koto T Satofuka S Shinoda H 2007Invest Ophthalmol Vis Sci2007,48,5:1
9Case study of debris flow disaster scenario caused by torrential rain on Kiyomizu-dera, Kyoto, Japan - using Hyper KANAKO system显示文摘This paper presents debris-flow numerical simulations using the Hyper KANAKO system,developed by the authors.The system uses the debris flow simulator KANAKO 2D equipped with a graphical user interface(GUI);hence,a user can easily produce appropriate landform data for simulations using standard laser profiler data,and visualize the results using a GIS.Hyper KANAKO was applied to the streams around Kiyomizu-dera in Kyoto,Japan.Kiyomizu-dera is a famous temple in Japan which is visited by numerous tourists throughout the year.We simulated a disaster scenario of debris flow caused by torrential rain.We set the hydrograph using rainfall intensity data,and set the landform data using information from the Geospatial Information Authority of Japan(GSI) and a digital elevation model(DEM).We evaluated different mesh sizes and also used a digital surface model(DSM) to consider the building heights.The simulation results showed that with small mesh size,the debris flowmoved through the roads,which seems realistic for a disaster situation.When buildings were considered,the flow direction changed,and a 1-m flow depth,which was deeper than in other cases,appeared in the flow path.This may pose a dangerous situation for evacuations.Kana NAKATANI Satoshi HAYAMI Yoshifumi SATOFUKA Takahisa MIZUYAMA 2016Journal of Mountain Science2016,13,2:1
10(Pro)renin receptor-mediaten signal transduction and tissue renin-angiotensin system contribute to diabetes-induced retinal inflammation显示文摘SATOFUKA S ICHIHARA A NAGAI N 2009Diabetes2009,58,7:1
11Nippon Kikai Gakkai Ronbunshu 显示文摘Ning T Satofuka N 1997B Hen/Transactions of the Japan Society of Mechanical Engineers Part B1997,63,608:1
12Macular pigment lutein is anti-inflammatory in preventing choroidal neovascularization 显示文摘Izumi-Nagai K Nagai N Ohgami K Satofuka S Ozawa Y Tsubota K 2007Arterioscler Thromb Vasc Biol2007,27,12:1
13Using Whole Annealing Genetic Algorithms for the Turbine Cascade Inverse Design Problem显示文摘INTRODUCTIONInthelastfewyearstherehajsbeenagrowinginterestinthenumericalsolutionofconstrainedoptimizationproblemsofturbinegovernedbytheEulerorNavier-Stokesequations.Developmelltofturbinecascadeswithoptimumaerodynamicefficiencyhaslongbeenadesignchalle...Jun Li Zhenping Feng Hidetoshi Nishida Nobuyuki Satofuka 1999Journal of Thermal Science1999,8,1:1
14Higher-order solutions of square driven cavity flow using a variable-order multi-grid method显示文摘Nishida H Satofuka N 1992Int J Numer Methods Fluids1992,34,2:1
15Calculation by Artifi-cial Compressibility Method and Virtual Flux Method on GPU 显示文摘Tanno I Morinishi K Satofuka N 2011Computers & Fluids2011,45,:1
16Prevention of ocular inflammation in endotoxin-induced uveitis with resveratrol by inhibiting oxidative damage and nuclear factor-kappaB activation显示文摘KUBOTA S KURIHARA T MOCHIMARU H SATOFUKA S NODA K OZAWA Y etol 2009Invest Ophthalmol Vis2009,50,7:1
17Focal functional and microstructural changes of photoreceptors in eyes with acute zonal occult outer retinopathy显示文摘So K Shinoda K Matsumoto CS Satofuka S Imamura Y Mizota A 0,,3:1
18(Pro) renin receptor promotes choroidal neovascularization by activating its signal transduetion and tissue renin-angiotensin system显示文摘Satofuka S Ichihara A Nagai N Noda K Ozawa Y Fukamizu A 2008Am J Pathol2008,173,5:1
19Macular pigment lutein is antiinflammatory in preventing choroidal neovascularization 显示文摘Izumi-Nagai K Nagai N Ohgami K Satofuka S Ozaswa Y Tsubota K 2007Arterioscler Thromb Vase Biol2007,27,12:1
20Genetic Algorithms Development for MultiobjectiveDesign Optimization of Compressor Cascade显示文摘INTRODUCTIONTurbomaChinery,especiallycompressorcascade,optimumdesignpresentsagrandchallengetonumericaloptimization.Thegoalofcompressorcascadedesignistoproducethehighestpressurerisewiththelowesttotalpressurelossattheconstantflowcondition.Parameterofpr...Jun LI(Venture Laboratory, Graduate School, Kyoto institute of Technology, Matsugasaki, Sakyo-ku, Kyoto606-8585, Japan)Koji Morinishi Nobuyuki Satofuka(Department of Mechanical and System Engineering, Kyoto Institute of Technology, Matsugasaki,Sakyo-ku, 1999Journal of Thermal Science1999,8,3:1
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