頁籤選單縮合
題 名 | Simulations of Movable Bodies in the Interactions with Blast Waves Using 2-Dimensional Navier-Stokes Solver |
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作 者 | Teng, J. T.; Tai, C. H.; Lo, S. W.; Chou, H. C.; | 書刊名 | Journal of Aeronautics, Astronautics and Aviation. Series A |
卷 期 | 39:2 2007.06[民96.06] |
頁 次 | 頁97-107 |
分類號 | 447.5 |
關鍵詞 | Blast wave; CFD; Dynamic mesh; Wheeled armored vehicle; |
語 文 | 英文(English) |
英文摘要 | The interactions of blast waves with a moving body pushed by the blast waves are studied numerically. The two-dimensional, viscous, unsteady, Reynolds-averaged Navier-Stockes (RANS) equations are solved by the implicit-time formulation. A dual time-stepping, multi-stage scheme is used to obtain better results for pure convective processes. For the spatial discrimination, the second order upwind scheme is employed. The physical quantities at cell faces are computed using a multidimensional linear reconstruction approach. Dynamic mesh model is applied to where the shape of the domain is changing with time due to the body motion. The pressure-time histories on the fixed and moving bodies impacted by the blast wave are also analyzed. Finally, the blast effects on the different shapes of wheeled armored vehicle hulls are calculated can compared. The proposed physical model and the numerical simulations used in the present work can be extended to solve shock wave interactions with other complex boundaries. |
本系統中英文摘要資訊取自各篇刊載內容。