Conservative treatment of boundary interfaces for overlaid grids and multi-level grid adaptationsConservative algorithms for boundaray interfaces of overlaid grids are presented. The basic method is zeroth order, and is extended to a higher order method using interpolation and subcell decomposition. The present method, strictly based on a conservative constraint, is tested with overlaid grids for various applications of unsteady and steady supersonic inviscid flows with strong shock waves. The algorithm is also applied to a multi-level grid adaptation in which the next level finer grid is overlaid on the coarse base grid with an arbitrary orientation.
Document ID
19890054452
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Moon, Young J. (NASA Lewis Research Center; Sverdrup Technology, Inc. Cleveland, OH, United States)
Liou, Meng-Sing (NASA Lewis Research Center Cleveland, OH, United States)