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Erschienen in:
2015 | OriginalPaper | Buchkapitel
A High-Order Finite-Volume Method with Block-Structured Local Grid Refinement
verfasst von : J. Kok, H. van der Ven
Erschienen in: IDIHOM: Industrialization of High-Order Methods - A Top-Down Approach
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Time-dependent vortex-dominated flows are computed accurately with a high-order finite-volume method on structured grids. In order to attain the required grid resolution in the vortex region, block wise local grid refinement is employed. A new topology-based block refinement algorithm allows the efficient generation of such block-wise refined meshes. The high-order finite-volume method is extended with high-order interpolation to deal with the partially continuous grids at block interfaces that result from the refinement. Results are presented for three applications: one time-accurate RANS computation of a helicopter flow case and two hybrid RANS-LES computations of strongly separated flows.