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Implementation and verification of high-order accurate discontinuous Galerkin method on 2-D unstructured grids
Zhao WG(赵文赓); Zheng HW(郑洪伟); Zhao WG(赵文赓)
Source PublicationDesign and Manufacture in Mechanical Engineering
2013
Pages221-226
Conference NameInternational Symposium on Mechatronics and Applied Mechanics, ISMAM 2013
Conference DateMAY 15-16, 2013
Conference PlaceNanjing, China
AbstractIn this paper, the discontinuous Galerkin method (DG) is applied to solve the 2D Euler equation. DG can be easily used in the unstructured girds, which has advantages in dealing with problems with complex boundaries. High order accuracy is achieved by higher order polynomial approximations within elements. In order to capture the shock without oscillation, the limiter is also applied. The performance of DG is illustrated by three numerical experimental tests, which show the potential of DG in engineering applications. The vortex propagation problem is to verify high-order accuracy of DG, while Sob problem and forward step problem are used to illustrate the ability to capture shock.
KeywordData Limiting Discontinuous Galerkin High-order Accuracy Unstructured Grids
DepartmentLMFS流固耦合与数值计算(LHO)
Funding OrganizationInternational Materials Science Society, Hong Kong; Singapore Management and Sports Science Institute
ISBN9783037858875
URL查看原文
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48269
Collection高温气体动力学国家重点实验室
Corresponding AuthorZhao WG(赵文赓)
Recommended Citation
GB/T 7714
Zhao WG,Zheng HW,Zhao WG. Implementation and verification of high-order accurate discontinuous Galerkin method on 2-D unstructured grids[C]Design and Manufacture in Mechanical Engineering,2013:221-226.
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