SHERP

Multi-dimensional Limiting Strategy for Robust, Accurate and Efficient Computations of Compressible Flows on Unstructured Meshes

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Authors
Park, Jin Seok; Yoon, Sung-Hwan; Kim, Chongam
Issue Date
2008-10
Publisher
한국전산유체공학회 = Korean Society of Computational Fluids Engineering
Citation
한국전산유체공학회 2008년도 추계학술대회논문집, 2008. 10. , pp. 378-386 (Korea-Japan CFD Workshop 2008)
Keywords
Multi-dimensional limiting processMLP conditionMUSCL-typeUnstructured meshes
Abstract
The present paper deals with the accurate and robust limiting procedure for the multi-dimensional flow analysis on unstructured meshes. The multi-dimensional limiting process (MLP) which was successfully proposed on structured grid system is extended to unstructured meshes. Based on MUSCL-type framework on unstructured meshes, the new slope limiter is devised to satisfy the MLP condition, which is quite effective to regulate the unwanted oscillations, especially on multiple dimensions. Considering the neighborhood based on the vertex of the cell, as well as the edge, this limiting strategy captures the multi-dimensional flow features very accurately with the proper stencils. From the various numerical results, these desirable characteristics of the proposed limiting strategy are clearly shown.
Language
English
URI
http://uci.or.kr/G300-cX1153609.vn0p378

http://hdl.handle.net/10371/6954
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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