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Investigation on Discontinuous Galerkin Solvers for Different Simulations

作     者:Xiaohe Zhufu Ruifeng Zhao Jin Xu 

作者机构:Laboratory of Parallel Software and Computational Science Institute of Software Chinese Academy of Sciences Beijing 100190 CHINA 

出 版 物:《Procedia Engineering》 

年 卷 期:2013年第61卷

页      面:158-165页

学科分类:12[管理学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 08[工学] 

主  题:Compressible flow Euler equation Maxwell equation Time domain Discontinuous Galerkin method Nodal basis 

摘      要:Discontinuous Galerkin(DG) method has been successfully used in time dependent simulations. This paper will investigate DG solvers for di_erent simulations. They are compressible flow and electromagnetic wave simulations. The compressible flow simulation needs to solve the Euler equation, while electromagnetic wave simulation needs to solve the Maxwell s equations. Two solvers have been studied in deep separately. All solvers apply domain decomposition method for the parallelization, and they both show the advantages of DG method: easy parallelization and good scalability. Verifications will be shown on simple geometries in detail for both cases, and at last a wakefield simulation ha been shown with electromagnetic time domain solver.

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