Gabriel Wittum

Affiliations:
  • King Abdullah University of Science and Technology (KAUST), Saudi Arabia
  • Goethe University Frankfurt am Main, Germany (former)


According to our database1, Gabriel Wittum authored at least 71 papers between 1989 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Uncertainty quantification in the Henry problem using the multilevel Monte Carlo method.
J. Comput. Phys., 2024

Estimation of uncertainties in the density driven flow in fractured porous media using MLMC.
CoRR, 2024

2023
Uncertainty quantification in coastal aquifers using the multilevel Monte Carlo method.
CoRR, 2023

2022
Influence of T-Bar on Calcium Concentration Impacting Release Probability.
Frontiers Comput. Neurosci., 2022

2021
Correction to: A sharp interface method using enriched finite elements for elliptic interface problems.
Numerische Mathematik, 2021

A sharp interface method using enriched finite elements for elliptic interface problems.
Numerische Mathematik, 2021

2020
Gradient-consistent enrichment of finite element spaces for the DNS of fluid-particle interaction.
J. Comput. Phys., 2020

Performance comparisons of geometric multigrid solvers and balancing domain decomposition solvers.
Comput. Vis. Sci., 2020

Automated methods for the comparison of natural languages.
Comput. Vis. Sci., 2020

Mesh generation for thin layered domains and its application to parallel multigrid simulation of groundwater flow.
Comput. Vis. Sci., 2020

3d Modeling and simulation of a harpsichord.
Comput. Vis. Sci., 2020

2019
Rotational test spaces for a fully-implicit FVM and FEM for the DNS of fluid-particle interaction.
J. Comput. Phys., 2019

Solution of the 3D density-driven groundwater flow problem with uncertain porosity and permeability.
CoRR, 2019

2018
Virtual reality in advanced medical immersive imaging: a workflow for introducing virtual reality as a supporting tool in medical imaging.
Comput. Vis. Sci., 2018

2016
Automatic Performance Modeling of HPC Applications.
Proceedings of the Software for Exascale Computing - SPPEXA 2013-2015, 2016

Automated Performance Modeling of the UG4 Simulation Framework.
Proceedings of the Software for Exascale Computing - SPPEXA 2013-2015, 2016

Space and Time Parallel Multigrid for Optimization and Uncertainty Quantification in PDE Simulations.
Proceedings of the Software for Exascale Computing - SPPEXA 2013-2015, 2016

Numerical simulation of contaminant transport in groundwater using software tools of \(r^3t\).
Comput. Vis. Sci., 2016

2015
A three-dimensional mathematical model for the signal propagation on a neuron's membrane.
Frontiers Comput. Neurosci., 2015

Parareal convergence for 2D unsteady flow around a cylinder.
CoRR, 2015

Editorial: Algorithmic requirements for HPC.
Comput. Vis. Sci., 2015

Scalable shape optimization methods for structured inverse modeling in 3D diffusive processes.
Comput. Vis. Sci., 2015

Numerical simulation of skin transport using Parareal.
Comput. Vis. Sci., 2015

Multigrid analysis of spatially resolved hepatitis C virus protein simulations.
Comput. Vis. Sci., 2015

Adaptive large eddy simulation.
Comput. Vis. Sci., 2015

Parallel tensor sampling in the hierarchical Tucker format.
Comput. Vis. Sci., 2015

Utilization of empirically determined energy-optimal CPU-frequencies in a numerical simulation code.
Comput. Vis. Sci., 2015

10, 000 Performance Models per Minute - Scalability of the UG4 Simulation Framework.
Proceedings of the Euro-Par 2015: Parallel Processing, 2015

2014
Models and simulations of variable-density flow in fractured porous media.
Int. J. Comput. Sci. Eng., 2014

Synaptic bouton properties are tuned to best fit the prevailing firing pattern.
Frontiers Comput. Neurosci., 2014

Catwalk: A Quick Development Path for Performance Models.
Proceedings of the Euro-Par 2014: Parallel Processing Workshops, 2014

2013
<i>UG</i> 4: A novel flexible software system for simulating PDE based models on high performance computers.
Comput. Vis. Sci., 2013

A massively parallel geometric multigrid solver on hierarchically distributed grids.
Comput. Vis. Sci., 2013

Visual reflection library: a framework for declarative GUI programming on the Java platform.
Comput. Vis. Sci., 2013

2012
Convergence and optimality of adaptive edge finite element methods for time-harmonic Maxwell equations.
Math. Comput., 2012

Editorial.
Comput. Vis. Sci., 2012

Preparation of grids for simulations of groundwater flow in fractured porous media.
Comput. Vis. Sci., 2012

Forchheimer's correction in modelling flow and transport in fractured porous media.
Comput. Vis. Sci., 2012

2011
Finite dose skin penetration: a comparison of concentration-depth profiles from experiment and simulation.
Comput. Vis. Sci., 2011

Inertia based filtering of high resolution images using a GPU cluster.
Comput. Vis. Sci., 2011

A method to investigate the diffusion properties of nuclear calcium.
Biol. Cybern., 2011

2010
Coarse Graining on Arbitrary Grids.
Multiscale Model. Simul., 2010

A three-dimensional mathematical model of active signal processing in axons.
Comput. Vis. Sci., 2010

A generalization of the vertex-centered finite volume scheme to arbitrary high order.
Comput. Vis. Sci., 2010

Three-dimensional simulation of the thermohaline-driven buoyancy of a brine parcel.
Comput. Vis. Sci., 2010

Software Framework UG: Parallel Simulation of a Three-Dimensional Benchmark Problem for Thermohaline-Driven Flow.
Proceedings of the High Performance Computing in Science and Engineering '10, 2010

2009
Scalable Heuristic Algorithms for the Parallel Execution of Data Flow Acyclic Digraphs.
SIAM J. Sci. Comput., 2009

The Tree-Edit-Distance, a Measure for Quantifying Neuronal Morphology.
Neuroinformatics, 2009

Efficient multigrid solver for the 3D random walker algorithm.
Proceedings of the Medical Imaging 2009: Image Processing, 2009

Calculation of default probability (PD) solving Merton Model PDEs on sparse grids.
Proceedings of the 23rd IEEE International Symposium on Parallel and Distributed Processing, 2009

2008
IBLU decompositions based on Padé approximants.
Numer. Linear Algebra Appl., 2008

Numerical upscaling for the eddy-current model with stochastic magnetic materials.
J. Comput. Phys., 2008

2007
Efficient Hierarchical Approximation of High-Dimensional Option Pricing Problems.
SIAM J. Sci. Comput., 2007

Low Machnumber aeroacoustics - A direct one-grid approach.
J. Num. Math., 2007

On the influence of different stabilisation methods for the incompressible Navier-Stokes equations.
J. Comput. Phys., 2007

2006
NeuGen: A tool for the generation of realistic morphology of cortical neurons and neural networks in 3D.
Neurocomputing, 2006

Nonlinear anisotropic diffusion filtering of three-dimensional image data from two-photon microscopy.
Proceedings of the Image Processing: Algorithms and Systems IV, 2006

2005
Large-scale density-driven flow simulations using parallel unstructured Grid adaptation and local multigrid methods.
Concurr. Pract. Exp., 2005

2004
Numerical Solution of Elliptic Differential Equations by Reduction to the Interface.
Lecture Notes in Computational Science and Engineering 36, Springer, ISBN: 978-3-642-18777-3, 2004

Two-frequency decomposition.
Numerische Mathematik, 2004

Coarse Graining for Upscaling of Flow in Heterogeneous Porous Media.
Multiscale Model. Simul., 2004

Parallel adaptive multigrid algorithm for 2-d 3-t diffusion equations.
Int. J. Comput. Math., 2004

2001
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.
Math. Comput., 2001

Homogenization and Multigrid.
Computing, 2001

1999
Frequency Filtering for Elliptic Interface Problems with Lagrange Multipliers.
SIAM J. Sci. Comput., 1999

An asymptotically optimal Schur complement reduction for the Stokes equation.
Numerische Mathematik, 1999

Robust Schur complement method for strongly anisotropic elliptic equations.
Numer. Linear Algebra Appl., 1999

1998
Additive and Multiplicative Multi-Grid - A Comparison.
Computing, 1998

1997
Parallel Frequency Filtering.
Computing, 1997

1992
A multigrid method for the computation of eigenmodes of closed water basins.
IMPACT Comput. Sci. Eng., 1992

1989
Linear iterations as smoothers in multigrid methods: Theory with applications to incomplete decompositions.
IMPACT Comput. Sci. Eng., 1989


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