An analysis of the discontinuous Galerkin method for a scalar hyperbolic equation
Mathematics of Computation
A note on the convergence of the discontinuous Galerkin method for a scalar hyperbolic equation
SIAM Journal on Numerical Analysis
Mixed and hybrid finite element methods
Mixed and hybrid finite element methods
Explicit Finite Element Methods for Symmetric Hyperbolic Equations
SIAM Journal on Numerical Analysis
Discontinuous hp-Finite Element Methods for Advection-Diffusion-Reaction Problems
SIAM Journal on Numerical Analysis
SIAM Journal on Numerical Analysis
A level set based Eulerian method for paraxial multivalued traveltimes
Journal of Computational Physics
Journal of Computational Physics
Journal of Scientific Computing
Optimal Convergence of the Original DG Method for the Transport-Reaction Equation on Special Meshes
SIAM Journal on Numerical Analysis
Discontinuous Galerkin Methods for Advection-Diffusion-Reaction Problems
SIAM Journal on Numerical Analysis
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We prove optimal convergence rates for the approximation provided by the original discontinuous Galerkin method for the transport-reaction problem. This is achieved in any dimension on meshes related in a suitable way to the possibly variable velocity carrying out the transport. Thus, if the method uses polynomials of degree $k$, the $L^2$-norm of the error is of order $k+1$. Moreover, we also show that, by means of an element-by-element postprocessing, a new approximate flux can be obtained which superconverges with order $k+1$.