Hirotaka Sakai

Positron camera for range verification of heavy-ion radiotherapy

Y. Iseki, Hideyuki Mizuno, Yasuyuki Futami et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 2003 · 101 citations · Full text

Medicine, Nuclear Medicine, Radiation Oncology +16

Stress-chain based micromechanics of sand with grain shape effect

Kenichi MAEDA, Hirotaka Sakai, Akihiko Kondo et al. · Granular Matter · 2010 · 83 citations

Engineering, Civil Engineering, Geotechnical Engineering +11

DEVELOPMENT OF SEEPAGE FAILURE ANALYSIS METHOD OF GROUND WITH SMOOTHED PARTICLE HYDRODYNAMICS

Kenichi MAEDA, Hirotaka Sakai, Mamoru Sakai · STRUCTURAL ENGINEERING / EARTHQUAKE ENGINEERING · 2006 · 62 citations · Full text

Engineering, Civil Engineering, Earth Sciences +14

Entity-relationship approach to logical database design.

Hirotaka Sakai · International Conference on Entity-Relationship Approach · 1983 · 57 citations

Computing, Computer Science, Information Systems +13

Novel discrete element modeling coupled with finite element method for investigating ballasted railway track dynamics

Daisuke Nishiura, Hirotaka Sakai, Akira Aikawa et al. · Computers and Geotechnics · 2017 · 47 citations · Full text

Engineering, Mechanical Engineering, Computational Mechanics +16