@inproceedings{oai:jaxa.repo.nii.ac.jp:00038268, author = {今村, 太郎 and 鈴木, 宏二郎 and 中村, 孝 and 吉田, 正廣 and 福田, 正大 and Imamura, Taro and Suzuki, Kojiro and Nakamura, Takashi and Yoshida, Masahiro and Fukuda, Masahiro}, book = {航空宇宙技術研究所特別資料: 航空宇宙数値シミュレーション技術シンポジウム2002論文集, Special Publication of National Aerospace Laboratory: Proceedings of Aerospace Numerical Simulation Symposium 2002}, month = {Mar}, note = {In this paper, a generalized interpolation-based lattice Boltzmann method (GILBM) is introduced. The standard lattice Boltzmann equation is transformed into generalized coordinates using metrics. The advection term of the transformed equation is discretized with sufficient spatial accuracy to suppress the numerical dissipation. Additionally, a wall boundary condition suitable for body-fitted grids and a non-reflecting outer boundary condition are introduced. With the present method, the flow around a complex geometry can be solved using structured grids. The three examples of, the cavity flow, the flow around a circular cylinder, and the flow around an airfoil are shown as validation of the method to a wide range of Reynolds number. The present results show good quantitative and qualitative agreement with other computational studies., 資料番号: AA0045948047, レポート番号: NAL SP-57}, pages = {262--267}, publisher = {航空宇宙技術研究所, National Aerospace Laboratory (NAL)}, title = {格子ボルツマン法の一般座標系への拡張とその検証}, volume = {57}, year = {2003} }