| jh250056 |
変分マルチスケール法による速度・圧力同時解法型粒子法 |
| 課題代表者 |
浅井光輝(九州大学大学院工学研究院)
mitsuteru asai
(Kyushu University)
|
| 概要 |
非圧縮性流体の支配方程式となる連続の式と運動量保存則の両者を満足する速度場と圧力場を同時に解くには，方程式が不定となり，このままでは求解できない．そこで，安定化有限要素法で培われてきた変分マルチスケールの概念による安定化技法を粒子法へと移植し，加えて条件数が悪い行列問題を独自に発展してきた粒子法用のマルチグリッドソルバで安定かつ高速に解く，新しい粒子法を構築する．
|
| 関連Webページ |
|
| 報告書等 |
研究紹介ポスター
／
最終報告書
|
| 業績一覧 |
(1) 学術論文 （査読あり） |
|
[]
Shujiro Fujioka, Kumpei Tsuji, Naoto Mitsume, Mitsuteru Asai, 2025, A generalized vertical coordinate transformation based on SPH(2) for efficient free surface flow simulations, Journal of Computational Physics, 543, 114407
|
|
[]
Kensuke Shobuzako, Shigeo Yoshida, Yoshifumi Kawada, Ryosuke Nakashima, Shujiro Fujioka, Mitsuteru Asai, 2025, A generalized smoothed particle hydrodynamics method based on the moving least squares method and its discretization error estimation, Results in Applied Mathematics, 26, 100594
|
|
[]
Kensuke Shobuzako, Shigeo Yoshida, Yoshifumi Kawada, Ryosuke Nakashima, Shujiro Fujioka, Mitsuteru Asai, 2025, A generalized smoothed particle hydrodynamics method based on the moving least squares method and its discretization error estimation, Results in Applied Mathematics, 26, 100594
|
|
[]
Yangfan Ma, Mitsuteru Asai, Bin Su, Zheng Han, Changze Li, Guangqi Chen, 2025, A two-point three-phase resolved coupling framework for modeling boulder-laden debris flows, Journal of Rock Mechanics and Geotechnical Engineering
|
| (2) 国際会議プロシーディングス （査読あり） |
| 該当なし |
| (3) 国際会議発表（査読なし） |
|
[]
Kota Matsunaga, Shujiro Fujioka, Kensuke Shobuzako, Mitsuteru Asai,
LS-SPH: A high order SPH formulation based on the moving least squares with boundary constraints,
ICCCI2025, Yamanashi
|
|
[]
Taiki Segawa, Yoshiya Shirakami, Yoichi Yuki, Suguru Kano, Mitsuteru Asai,
SPH Formulation on Non-Newtonian Model for Fresh Concrete Flow Prediction,
ICCCI, Yamanashi
|
|
[]
Mitsuteru Asai, Shujiro Fujioka, Kumpei Tsuji,
A higher order particle method SPH(2) and its applications,
ICCCI, Yamanashi
|
|
[]
Shodai Okano, Daniel Morikawa, Louis Ge, Mitsuteru Asai,
Velocity and pressure monolithic scheme based on SPH for fluid flow simulations with arbitrary solid wall boundaries,
Compsafe, Kobe, 2025
|
|
[]
Shujiro Fujioka, Kumpei Tsuji, Naoto Mitsume, Mitsuteru Asai,
Computational cost reduction for SPH applying vertical coordinate transformation,
Compsafe, Kobe, 2025
|
|
[]
Yangfan Ma, Mitsuteru Asai,
Resolved Coupling of Stony Debris Flows With a Two-Point Multi-Phase Method,
Compsafe, Kobe, 2025
|
| (4) 国内会議発表（査読なし） |
| 該当なし |
| (5) 公開したライブラリなど |
| 該当なし |
| (6) その他（特許，プレスリリース，著書等） |
| 該当なし |
