Curvature-Corrected Surface Boundary Condition for the Euler Equations on Cartesian Grids

摘要：

A curvature-corrected symmetry technique (CCST) developed by other researchers has been extended to Cartesian grids. Based on Euler solver of a finite volume method, CCST is further extended to threedimensional Cartesian grids. The method utilizes the normal momentum equation and ghost cells to build the wall boundary treatment. Two different models are introduced, one without considering wall curvature and one considering wall curvature. Numerical results are presented for several two-dimensional and threedimensional inviscid flow fields. Solutions obtained by the present method compared with experimental data, and showed preliminarily improvements and advantages over those with a conventional approach based on symmetry technique(ST).

关键词： CCST Cartesian grids Euler solver Wall curvature ST

作者: Sang Weimin Xu Lu Lei Xiwei

作者单位: School of Aeronautics, Northwestern Polytechnical University, Xian 710072, China The First Aircraft Institute of AVIC-I, Xian 710089, China

会议类型: 国际会议

会议名称: 2010 Asia-Pacific International Symposium on Aerospace Technology(2010 亚太航空航天技术研讨会 APISAT 2010)

会议地点: 西安

会议语种:英文

页码: 283-287

在线出版日期: 2010-09-01（万方平台首次上网日期，不代表论文的发表时间）