Research theme for competitive and other funds (25):
2022 - 2025 Investigation for morphodynamics of the movable bed surface based on turbulent flow measurement
2021 - 2024 Innovation of particle method for solid-liquid multiphase flow model by introducing SPS mass transport model
2018 - 2021 Design innovation of breakwaters as a strategy for resilient coastal city against storm surges under super typhoon
2009 - 2011 DeveIopment of numericaI wave fIume for a resiIient design of coastaI structures against violent waves
2008 - 2010 Coherent structure and the associated mass transfer in wind-driven water-waves over canopy vegetation
2006 - 2007 HAZARAD ANALYSIS OF SMALL UNDERGROUND SPACE IN URBAN FLOOD AND STUDY OF COUNTERMEASURES
2004 - 2005 景観水理設計の新機軸としてのCFDポストプロセッシング
2003 - 2005 Multi-phase dynamics for high-resolution computation of surf zone
2002 - 2005 Surf-zone dynamics as interacting system of wave, flow, sediment-transport and seabed
2002 - 2003 自由表面流のモデリングとその砕波シミュレーションへの応用
2001 - 2002 固液二相流型パーティクル法による地滑り誘発型津波の高精度予測モデルの開発
1999 - 2000 Disaster prevention work of coastal structure caused by vulnerated sand bed around coastal structure under attack of stormy wave
1998 - 2000 Sheetflow simulator for numerical prediction of sediment transport rate
1998 - 1998 生息環境水理学の展開のための調査研究
1996 - 1998 Analysis on sediment transport under wave action as particle-fluid interacting system
1996 - 1996 高濃度土砂流における粒子間干渉の数値モデルに関する基礎的研究
1995 - 1996 Design of Erosion-Protection of Flood Plain and Side Slope of Levee by Vegetation
1994 - 1996 Development of design system of coastal and river structures using neural network
1995 - 1995 生態系との相互作用を考慮した土砂動態の数値モデルに関する基礎的研究
1994 - 1995 Turbulent Structures and the Related Sediment Transport in Unsteady Open-Channel Flows
1994 - 1994 粒状体モデルを用いた土砂動態の数値モデルの開発
1993 - 1994 Turbulent Structures and the associated sucliment transport
1993 - 1994 Study on river engineering oriented to cotroll of river formation and vegetation
1991 - 1993 Research on Sediment Transport Rate in Surf Zone by Taking Account of Liquefaction and Fluidization of Sand Layr
1990 - 1992 Study on Generalized theory for Sediment Transport Process in Unsteady Flow
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Papers (368):
Takafumi Gotoh, Abbas Khayyer, Hitoshi Gotoh. Enhanced schemes for resolution of the continuity equation in projection-based SPH. Engineering Analysis with Boundary Elements. 2024. 166. 105848-105848
Takafumi Gotoh, Abbas Khayyer, Hitoshi Gotoh. Stability-Enhanced ISPH Method with Accurate Velocity Divergence for Robust Computation of Wave Breaking Resultant Violent Flows. Lecture Notes in Civil Engineering. 2024. 183-191
Eiji Harada, Takumi Tazaki, Hitoshi Gotoh. Investigation of turbulent flow induced by particle sedimentation using RIM-PIV. Journal of Hydro-environment Research. 2024. 54. 13-25
Abbas Khayyer, Hitoshi Gotoh, Yuma Shimizu, Takafumi Gotoh. An improved Riemann SPH-Hamiltonian SPH coupled solver for hydroelastic fluid-structure interactions. Engineering Analysis with Boundary Elements. 2024. 158. 332-355
Abbas Khayyer, Yuma Shimizu, Chun Hean Lee, Antonio Gil, Hitoshi Gotoh, Javier Bonet. An improved updated Lagrangian SPH method for structural modelling. Computational Particle Mechanics. 2023
A. Khayyer, H. Gotoh, Y. Shimizu, H. Sasagawa, A. Nakano. A 3D Fully Lagrangian Meshfree Hydroelastic Solver; 3D ISPH-SPH. Proc. ISOPE-2020. 2020. 2020-October. 1979-1985
Harada, E, Ikari, H, Shimizu, Y, Gotoh, H. Numerical Simulation for Sediment Transport in Sheetflow Regime Using DEM-MPS. Proceedings of the 10th International Conference on Asian and Pacific Coast(APAC2019). 2019. 463-470
清水裕真, KHAYYER Abbas, 後藤仁志. TOWARDS DEVELOPMENT OF LAGRANGIAN MESHFREE HYDROELASTIC FSI SOLVERS BY INCORPORATING IMPLICIT STRUCTURE SOLVERS. 土木学会論文集 B2(海岸工学)(Web). 2019. 75. 2
Shimizu, Y, Khayyer, A, Gotoh, H. Development of Enhanced ISPH method for accurate and consistent computational modeling of fluid flow interactions with saturated/unsaturated porous media of spatially variable porosity. 14th International SPHERIC Workshop. 2019. 219-226
Keynote Lecture: Accurate Semi-implicit SPH Schemes for Computation of Violent Water-Surface Waves
(11th International Conference on Asian and Pacific Coasts 2023 2023)
Improved Particle Methods for Violent Free-Surface Flow Computation
(3rd International Conference on Violent Flows VF-2016 2016)
Accurate particle method for computational sediment dynamics
(The 3rd symposium on two-phase modelling for sediment dynamics in geophysical flows THESIS 2016)
Numerical Wave Flume for Simulating Flows with Violent Free-Surface Motion
(The 11th International Workshop on Coastal Disaster Prevention(合田良實先生追悼ワークショップ) 2013)