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8 papers · 2 filters
Enhancement of flow measurements using fluid-dynamic constraints
H. Egger, T. Seitz, C. Tropea
Novel experimental modalities acquire spatially resolved velocity measurements for steady state and transient flows which are of interest for engineering and biological application…
A class of Galerkin schemes for time-dependent radiative transfer
Herbert Egger, Matthias Schlottbom
The numerical solution of time-dependent radiative transfer problems is challenging, both, due to the high dimension as well as the anisotropic structure of the underlying integro-…
Uniform exponential stability of Galerkin approximations for damped wave systems
Herbert Egger, Thomas Kugler
We consider the numerical approximation of linear damped wave systems by Galerkin approximations in space and appropriate time-stepping schemes. Based on a dissipation estimate for…
A non-symmetric coupling of the finite volume method and the boundary element method
Christoph Erath, Günther Of, Francisco-Javier Sayas
As model problem we consider the prototype for flow and transport of a concentration in porous media in an interior domain and couple it with a diffusion process in the correspondi…
Adaptive vertex-centered finite volume methods with convergence rates
Christoph Erath, Dirk Praetorius
We consider the vertex-centered finite volume method with first-order conforming ansatz functions. The adaptive mesh-refinement is driven by the local contributions of the weighted…
Energy-norm error estimates for finite element discretization of parabolic problems
Herbert Egger
We consider the discretization of parabolic initial boundary value problems by finite element methods in space and a Runge-Kutta time stepping scheme. Order optimal a-priori error…