Discontinuous Galerkin Finite Element Method for Euler and Navier-Stokes Equations

San-Yih Lin, Yan Shin Chin

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


A finite element method for the Euler and Navier-Stokes equations has been developed. The spatial discretization involves the discontinuous Galerkin finite element method and Lax-Friedrichs flux method. The temporal discretizations used are the explicit Runge-Kutta time integrations. The scheme is formally second-order accurate in space and time. A dynamic mesh algorithm is included to simulate flows over moving bodies. The inviscid flows passing through a channel with circular arc bump, through the NACA 0012 airfoil, and the laminar flows passing over a flat plate with shock interaction are investigated to confirm the accuracy and convergence of the finite element method. Also the unsteady flow through a pitching NACA 0012 airfoil is performed to prove the capability of the present method.

Original languageEnglish
Pages (from-to)2016-2026
Number of pages11
JournalAIAA journal
Issue number11
Publication statusPublished - 1993 Jan 1

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering


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