| タイトル | Three-dimensional self-adaptive grid method for complex flows |
| 著者（英） | Djomehri, M. Jahed; Deiwert, George S. |
| 著者所属（英） | NASA Ames Research Center |
| 発行日 | 1988-01-01 |
| 言語 | eng |
| 内容記述 | A self-adaptive grid procedure for efficient computation of three-dimensional complex flow fields is described. The method is based on variational principles to minimize the energy of a spring system analogy which redistributes the grid points. Grid control parameters are determined by specifying maximum and minimum grid spacing. Multidirectional adaptation is achieved by splitting the procedure into a sequence of successive applications of a unidirectional adaptation. One-sided, two-directional constraints for orthogonality and smoothness are used to enhance the efficiency of the method. Feasibility of the scheme is demonstrated by application to a multinozzle, afterbody, plume flow field. Application of the algorithm for initial grid generation is illustrated by constructing a three-dimensional grid about a bump-like geometry. |
| NASA分類 | AERODYNAMICS |
| レポートNO | 90A26503 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/357756 |
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