Faculty of Mathematics
Collaborative Research Centre 701
Spectral Structures and Topological Methods in Mathematics
stripes SFB701

Project B7

Analysis of discretization methods for nonlinear evolution equations


Principal Investigator(s) Other Investigators
Etienne Emmrich

Summary:

The mathematical modeling of time-dependent processes in science and engineering leads to in general nonlinear evolution equations of first or second order. The highest spatial derivatives appearing can often be described by a monotone and coercive operator; semilinearities are then treated as a strongly continuous perturbation of the principle part. Relying upon the variational approach and the theory of monotone operators, the numerical solution of such evolution problems is studied with a focus on time discretization methods on equidistant as well as non-uniform meshes and their convergence. The results apply in particular to fluid flow problems.

Recent Preprints:

12065 Existence via time discretization for a class of doubly nonlinear operator-differential equations of Barenblatt-type PDF | PS.GZ
11045 Full discretization of second-order nonlinear evolution equations: strong convergence and applications PDF | PS.GZ
11026 A class of integro-differential equations arising in nonlinear elastodynamics: Existence via time discretisation PDF | PS.GZ
11020 Convergence of a full discretization of quasilinear parabolic equations in isotropic and anisotropic Orlicz spaces PDF | PS.GZ
10094 Full Discretization of the porous medium/fast diffusion equations based on its very weak formulation PDF | PS.GZ
10034 Discontinuous Galerkin in time approximation of monotone nonlinear evolution problems PDF | PS.GZ
10030 Doubly nonlinear evolution equations of second order: Existence and fully discrete approximation PDF | PS.GZ