Gabriel Wittum
Gabriel Wittum
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Cited by
Cited by
Multi-grid methods and applications
W Hackbusch
Springer Science & Business Media, 2013
Cosmic-ray neutrino annihilation on relic neutrinos revisited: a mechanism for generating air showers above the Greisen-Zatsepin-Kuzmin cutoff
TJ Weiler
Astroparticle Physics 11 (3), 303-316, 1999
On the robustness of ILU smoothing
G Wittum
SIAM journal on scientific and statistical computing 10 (4), 699-717, 1989
Multi-grid methods for Stokes and Navier-Stokes equations
G Wittum
Numerische Mathematik 54 (5), 543-563, 1989
Error-controlled adaptive finite elements in solid mechanics
E Ramm, E Rank, R Rannacher, K Schweizerhof, E Stein, W Wendland, ...
John Wiley & Sons, 2003
Two-phase flows on interface refined grids modeled with VOF, staggered finite volumes, and spline interpolants
I Ginzburg, G Wittum
Journal of Computational Physics 166 (2), 302-335, 2001
Non steady-state descriptions of drug permeation through stratum corneum. I. The biphasic brick-and-mortar model
M Heisig, R Lieckfeldt, G Wittum, G Mazurkevich, G Lee
Pharmaceutical research 13 (3), 421-426, 1996
On the convergence of multi-grid methods with transforming smoothers
G Wittum
Numerische Mathematik 57 (1), 15-38, 1990
Synaptic activity induces dramatic changes in the geometry of the cell nucleus: interplay between nuclear structure, histone H3 phosphorylation, and nuclear calcium signaling
M Wittmann, G Queisser, A Eder, JS Wiegert, CP Bengtson, A Hellwig, ...
Journal of Neuroscience 29 (47), 14687-14700, 2009
The saltpool benchmark problem–numerical simulation of saltwater upconing in a porous medium
K Johannsen, W Kinzelbach, S Oswald, G Wittum
Advances in Water Resources 25 (3), 335-348, 2002
Efficient hierarchical approximation of high-dimensional option pricing problems
C Reisinger, G Wittum
SIAM Journal on Scientific Computing 29 (1), 440-458, 2007
In-silico model of skin penetration based on experimentally determined input parameters. Part I: experimental determination of partition and diffusion coefficients
S Hansen, A Henning, A Naegel, M Heisig, G Wittum, D Neumann, ...
European Journal of Pharmaceutics and Biopharmaceutics 68 (2), 352-367, 2008
Downwind numbering: Robust multigrid for convection-diffusion problems
J Bey, G Wittum
Applied Numerical Mathematics 23 (1), 177-192, 1997
Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. Part 1: A smooth problem and globally quasi-uniform meshes
W Hoffmann, A Schatz, L Wahlbin, G Wittum
Mathematics of Computation 70 (235), 897-909, 2001
Growth, mass transfer, and remodeling in fiber-reinforced, multi-constituent materials
A Grillo, S Federico, G Wittum
International Journal of Non-Linear Mechanics 47 (2), 388-401, 2012
UG 4: A novel flexible software system for simulating PDE based models on high performance computers
A Vogel, S Reiter, M Rupp, A Nägel, G Wittum
Computing and Visualization in Science 16 (4), 165-179, 2013
Linear iterations as smoothers in multigrid methods: Theory with applications to incomplete decompositions
G Wittum
IMPACT of Computing in Science and Engineering 1 (2), 180-215, 1989
Additive and multiplicative multi-grid—a comparison
P Bastian, G Wittum, W Hackbusch
Computing 60 (4), 345-364, 1998
Detailed modeling of skin penetration—an overview
A Naegel, M Heisig, G Wittum
Advanced drug delivery reviews 65 (2), 191-207, 2013
On multigrid for anisotropic equations and variational inequalities “Pricing multi-dimensional European and American options”
C Reisinger, G Wittum
Computing and Visualization in Science 7 (3-4), 189-197, 2004
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