2007•Journal of Aerospace EngineeringRequires access

Space-Time Discontinuous Galerkin Method for Linear Elastodynamics

Hüseyin Gökmen Aksoy, E. Şenocak

Abstract

Among the time-integration methods used in solid mechanics, Newmark family of algorithms (along with Galerkin finite element) has been most popular and has gathered much attention over the years. Recently, the time discontinuous Galerkin method (TDG) and discontinuous Galerkin method (DGM) are being investigated by the researchers due to their advantages in wave propagation problems. In this study, TDG and DGM are combined to have space-time discontinuous Galerkin formulation for the first time for solid mechanics problems. The basic formulations are presented and some examples are studied.

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Key concepts: Discontinuous Galerkin method, Galerkin method, Finite element method, Newmark-beta method, Space time, Applied mathematics, Space (punctuation), Mathematics