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讲座题目: A Reconstructed Discontinuous Galerkin Method for Compressible Flows on Hybrid Grids主讲人:Prof. Hong Luo (Department of Mechanical & Aerospace Engineering, North Carolina State University) 讲座日期:2014年6月27日、30日,7月1日、2日、3日讲座时间:上午9:00-11:00讲座地点:数学与系统科学ag平台app下载学术交流厅 主楼321

摘要:In this lecture, a reconstructed discontinuous Galerkin (RDG) method based on a Hierarchical WENO reconstruction, termed HWENO(P1P2), designed not only to enhance the accuracy of discontinuous Galerkin methods but also to ensure the nonlinear stability of the RDG method, is presented for solving the compressible Navier-Stokes equations on hybrid grids. The developed HWENO(P1P2) method is used to compute a variety of flow problems on hybrid meshes to demonstrate its accuracy, robustness, and non-oscillatory property. The numerical experiments indicate that the HWENO(P1P2) method is able to capture shock waves within one cell without any spurious oscillations, and achieve the designed third-order of accuracy: one order accuracy higher than the underlying DG method, indicating the potential of this RDG method to become a viable, competitive, and perhaps superior DG method over existing DG methods for the solution of the compressible Navier-Stokes equations. 邀请单位:数学与系统科学ag平台app下载 主讲人概况:罗宏(Hong Luo),美国北卡罗莱纳州立大学机械与航空工程系教授,国际知名的计算流体力学专家,长期从事网格生成,高精度有限体积方法以及间断有限元方法的研究工作,尤其在高精度间断有限元方法方面做出了许多杰出的工作,由其提出并发展的一类Reconstructed discontinuous Galerkin method (RDG)方法得到了国内外专家的赞誉。罗宏教授在国际知名期刊发表高质量学术论文50余篇。

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