抄録 It is known that woody debris flowing down rivers accumulates at bridge piers, intake
facilities and other structures. The phenomenon can cause significant damage by flooding …

抄録 我が国の多くの河川で, 河道内での樹林化の進行が指摘されている. 河道の樹林化は,
流路の抗力を増加させ治水安全度を低下させることが危惧されており, 河川管理上 …

抄録 In this study, mechanisms of woody debris transport on the unsteady flow around a
group of spur dikes were investigated by performing a flume experiment with the Particle …

抄録 In this study, coherent flow structures and mechanisms of suspended sediment
transport around submerged spur-dikes were investigated by performing a flume experiment …

抄録 In this study, mechanisms of suspended sediment transport in the downstream region
of a vegetated area that was modeled by a pile group were investigated by performing a …

抄録 水に関する物理シミュレーションの研究例は多数存在するものの, 滝全体を対象とした物理的
根拠に基づくシミュレーション例は少ない. そこで本研究では, 滝の落ち口から滝壺までの滝の全景 …

抄録 粒子法を用いた滝の表現では, 滝の一部の流れに関する研究が中心で,
滝全体の流れや滝から発生する水飛沫までを扱う研究例は少ない. そこで本研究では …

抄録 An advanced two-fluid model has been developed in Japan Atomic Energy Agency
(JAEA). In this model, an interface tracking method is combined with a two-fluid model. In …