Barbara Wohlmuth

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Featured Co-authors

Florina M. Ciorba
33 publications
Ulrich Rüde
26 publications
Robert Scheichl
25 publications
Barbara Kaltenbacher
21 publications
Rolf Krause
19 publications
Paola F. Antonietti
19 publications
Luca Bonaventura
16 publications
Hartwig Anzt
15 publications
Enrique S. Quintana-Ortí
15 publications
Jonas Wallin
14 publications
Hans-Joachim Bungartz
13 publications

research

∙ 08/30/2023

Abstract Fractional Cauchy Problem: Existence of Propagators and Inhomogeneous Solution Representation

We consider a Cauchy problem for the inhomogeneous differential equation...

0 Dmytro Sytnyk, et al. ∙

research

∙ 04/25/2023

Exponentially Convergent Numerical Method for Abstract Cauchy Problem with Fractional Derivative of Caputo Type

We present an exponentially convergent numerical method to approximate t...

0 Dmytro Sytnyk, et al. ∙

research

∙ 03/16/2023

A phase-field model for non-small cell lung cancer under the effects of immunotherapy

Formulating tumor models that predict growth under therapy is vital for ...

0 Andreas Wagner, et al. ∙

research

∙ 10/27/2022

A matrix-free ILU realization based on surrogates

Matrix-free techniques play an increasingly important role in large-scal...

0 Daniel Drzisga, et al. ∙

research

∙ 03/22/2022

Risk-averse design of tall buildings for uncertain wind conditions

Reducing the intensity of wind excitation via aerodynamic shape modifica...

0 Anoop Kodakkal, et al. ∙

research

∙ 01/14/2022

A 1D-0D-3D coupled model for simulating blood flow and transport processes in breast tissue

In this work, we present mixed dimensional models for simulating blood f...

0 Marvin Fritz, et al. ∙

research

∙ 12/28/2021

Determining kernels in linear viscoelasticity

In this work, we investigate the inverse problem of determining the kern...

0 Barbara Kaltenbacher, et al. ∙

research

∙ 10/29/2021

Elasto-acoustic modelling and simulation for the seismic response of structures: The case of the Tahtalı dam in the 2020 İzmir earthquake

As a mean to assess the risk dam structures are exposed to during earthq...

0 Ilario Mazzieri, et al. ∙

research

∙ 10/14/2021

Alpine Permafrost Modeling: On the influence of topography driven lateral fluxes

Alpine permafrost environments are highly vulnerable and sensitive to ch...

0 Jonas Beddrich, et al. ∙

research

∙ 07/23/2021

Learning the structure of wind: A data-driven nonlocal turbulence model for the atmospheric boundary layer

We develop a novel data-driven approach to modeling the atmospheric boun...

19 Brendan Keith, et al. ∙

research

∙ 06/21/2021

Equivalence between a time-fractional and an integer-order gradient flow: The memory effect reflected in the energy

Time-fractional partial differential equations are nonlocal in time and ...

0 Marvin Fritz, et al. ∙

research

∙ 04/03/2021

Semi matrix-free twogrid shifted Laplacian preconditioner for the Helmholtz equation with near optimal shifts

Due to its significance in terms of wave phenomena a considerable effort...

0 Daniel Drzisga, et al. ∙

research

∙ 02/09/2021

Solving time-fractional differential equation via rational approximation

Fractional differential equations (FDEs) describe subdiffusion behavior ...

0 Ustim Khristenko, et al. ∙

research

∙ 02/08/2021

A hybrid discontinuous Galerkin method for nonlinear elasto-acoustic coupling

Inspired by medical applications of high-intensity ultrasound, we study ...

0 Markus Muhr, et al. ∙

research

∙ 01/07/2021

Multidimensional coupling: A variationally consistent approach to fiber-reinforced materials

A novel mathematical model for fiber-reinforced materials is proposed. I...

0 Ustim Khristenko, et al. ∙

research

∙ 10/26/2020

Resiliency in Numerical Algorithm Design for Extreme Scale Simulations

This work is based on the seminar titled “Resiliency in Numerical Algori...

0 Emmanuel Agullo, et al. ∙

research

∙ 06/18/2020

On a subdiffusive tumour growth model with fractional time derivative

In this work, we present a model for tumour growth in terms of reaction-...

0 Marvin Fritz, et al. ∙

research

∙ 06/11/2020

Frontiers in Mortar Methods for Isogeometric Analysis

Complex geometries as common in industrial applications consist of multi...

0 Christian Hesch, et al. ∙

research

∙ 04/10/2020

The surrogate matrix methodology: Accelerating isogeometric analysis of waves

The surrogate matrix methodology delivers low-cost approximations of mat...

0 Daniel Drzisga, et al. ∙

research

∙ 01/20/2020

A 3D-1D coupled blood flow and oxygen transport model to generate microvascular networks

In this work, we introduce an algorithmic approach to generate microvasc...

0 Tobias Köppl, et al. ∙

research

∙ 12/04/2019

A high-order discontinuous Galerkin method for nonlinear sound waves

We propose a high-order discontinuous Galerkin scheme for nonlinear acou...

0 Paola F. Antonietti, et al. ∙

research

∙ 10/03/2019

Generalized bounds for active subspaces

The active subspace method, as a dimension reduction technique, can subs...

0 Mario Teixeira Parente, et al. ∙

research

∙ 09/08/2019

The surrogate matrix methodology: A reference implementation for low-cost assembly in isogeometric analysis

A reference implementation of a new method in isogeometric analysis (IGA...

0 Daniel Drzisga, et al. ∙

research

∙ 08/23/2019

Stencil scaling for vector-valued PDEs on hybrid grids with applications to generalized Newtonian fluids

Matrix-free finite element implementations for large applications provid...

0 Daniel Drzisga, et al. ∙

research

∙ 08/23/2019

Stencil scaling for vector-valued PDEs with applications to generalized Newtonian fluids

Matrix-free finite element implementations for large applications provid...

0 Daniel Drzisga, et al. ∙

research

∙ 07/04/2019

A statistical framework for generating microstructures of two-phase random materials: application to fatigue analysis

Random microstructures of heterogeneous materials play a crucial role in...

0 Ustim Khristenko, et al. ∙

research

∙ 01/10/2019

Bayesian calibration and sensitivity analysis for a karst aquifer model using active subspaces

In this article, we perform a parameter study for a recently developed m...

0 Mario Teixeira Parente, et al. ∙

research

∙ 09/20/2018

Analysis of boundary effects on PDE-based sampling of Whittle-Matérn random fields

We consider the generation of samples of a mean-zero Gaussian random fie...

0 Ustim Khristenko, et al. ∙

research

∙ 04/17/2018

Adaptive control in rollforward recovery for extreme scale multigrid

With the increasing number of compute components, failures in future exa...

0 Markus Huber, et al. ∙

research

∙ 09/20/2017

A stencil scaling approach for accelerating matrix-free finite element implementations

We present a novel approach to fast on-the-fly low order finite element ...

0 Simon Bauer, et al. ∙

research

∙ 07/12/2016

Scheduling massively parallel multigrid for multilevel Monte Carlo methods

The computational complexity of naive, sampling-based uncertainty quanti...

0 Björn Gmeiner, et al. ∙

research

∙ 11/06/2015

A quantitative performance analysis for Stokes solvers at the extreme scale

This article presents a systematic quantitative performance analysis for...

0 Björn Gmeiner, et al. ∙

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