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Finite-volume compact schemes on staggered grids. (English) Zbl 1106.76406
Summary: Compact finite-difference schemes have been recently used in several Direct Numerical Simulations of turbulent flows, since they can achieve high-order accuracy and high resolution without exceedingly increasing the size of the computational stencil. The development of compact finite-volume schemes is more involved, due to the appearance of surface and volume integrals. While J. M. C. Pereira et al. [J. Comput. Phys. 167, No. 1, 217–243 (2001; Zbl 1013.76054)] and Smirnov et al. [AIAA Paper, 2546, 2001] focused on collocated grids, in this paper we use the staggered grid arrangement. Compact schemes can be tuned to achieve very high resolution for a given formal order of accuracy. We develop and test high-resolution schemes by following a procedure proposed by S. K. Lele [J. Comput. Phys. 103, No. 1, 16–42 (1992; Zbl 0759.65006)] which, to the best of our knowledge, has not yet been applied to compact finite-volume methods on staggered grids. Results from several one- and two-dimensional simulations for the scalar transport and Navier–Stokes equations are presented, showing that the proposed method is capable to accurately reproduce complex steady and unsteady flows.
MSC:
76M12Finite volume methods (fluid mechanics)
76D05Navier-Stokes equations (fluid dynamics)