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Hidetaka Saomoto

National Institute of Advanced Industrial Science and Technology

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Featured researches published by Hidetaka Saomoto.

Archive | 2007

VISUALIZATION OF PARTICLE-FLUID SYSTEM BY LASER-AIDED TOMOGRAPHY

Hidetaka Saomoto; Takashi Matsushima; Yasuo Yamada

Mechanical behavior of particle-fluid system is widely related to various engineering problems such as boiling, piping and liquefaction in the field of geotechnical engineering. This study employed LAT (Laser-Aided Tomography) technique in permeability and boiling tests and proved it’s usefulness for visualizing grain-pore fluid interaction. During these tests, the local velocity profile was also obtained by PIV (Particle Image Velocimetry) analysis. As a result, the permeability coefficient measured in the tests was in good agreement with that estimated by Ergun’s equation. The interaction between grains and liquid monitored during boiling condition showed a high degree of locality and nonstationality.

Soils and Foundations | 2003

GRAIN ROTATION VERSUS CONTINUUM ROTATION DURING SHEAR DEFORMATION OF GRANULAR ASSEMBLY

Takashi Matsushima; Hidetaka Saomoto; Yosuke Tsubokawa; Yasuo Yamada

Geomorphology | 2008

Late Quaternary uplift rate of the northeastern Japan arc inferred from fluvial terraces

Tabito Matsu'ura; Akira Furusawa; Hidetaka Saomoto

Archive | 2003

Detection of 3-D irregular grain shape of Toyoura sand at SPring-8

Takashi Matsushima; Hidetaka Saomoto; Akira Tsuchiyama; Tsukasa Nakano

Geophysical Journal International | 2016

Modelling of wave propagation and attenuation in the Osaka sedimentary basin, western Japan, during the 2013 Awaji Island earthquake

Kimiyuki Asano; Haruko Sekiguchi; Tomotaka Iwata; Masayuki Yoshimi; Takumi Hayashida; Hidetaka Saomoto; Haruo Horikawa

Transport in Porous Media | 2015

Particle Shape Effects on Hydraulic and Electric Tortuosities: A Novel Empirical Tortuosity Model Based on van Genuchten-Type Function

Hidetaka Saomoto; Jun Katagiri

Vadose Zone Journal | 2015

Quantitative Evaluation of the Effect of Grain Aspect Ratio on Permeability

Jun Katagiri; Hidetaka Saomoto; Mori Utsuno

Structural Engineering \/ Earthquake Engineering | 2007

DEVELOPMENT OF LAT-PIV VISUALIZATION TECHNIQUE FOR PARTICLE-FLUID SYSTEM

Hidetaka Saomoto; Takashi Matsushima; Yasuo Yamada

Journal of Applied Mechanics | 2005

Development of LAT-PIV Visualization Technique for Particle-Fluid System

Hidetaka Saomoto; Takashi Matsushima; Yasuo Yamad

Structural and Multidisciplinary Optimization | 2017

Boundary shape design by using PDE filtered design variables

Tadayoshi Matsumori; Atsushi Kawamoto; Tsuguo Kondoh; Tsuyoshi Nomura; Hidetaka Saomoto

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Takashi Matsushima

University of Tsukuba

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Yasuo Yamada

University of Tsukuba

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Jun Katagiri

University of Tsukuba

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Masayuki Yoshimi

National Institute of Advanced Industrial Science and Technology

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Haruo Horikawa

National Institute of Advanced Industrial Science and Technology

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Mori Utsuno

Kajima

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Atsushi Kawamoto

Toyota

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Haruko Sekiguchi

Kyoto University

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Hisao Kondo

National Institute of Advanced Industrial Science and Technology

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Kazunari Nawa

Nagoya University

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