Wolfgang A. Wall

research

∙ 07/14/2023

A novel mesh regularization approach based on finite element distortion potentials: Application to material expansion processes with extreme volume change

The accuracy of finite element solutions is closely tied to the mesh qua...

0 Abhiroop Satheesh, et al. ∙

research

∙ 07/07/2023

In silico high-resolution whole lung model to predict the locally delivered dose of inhaled drugs

The big crux with drug delivery to human lungs is that the delivered dos...

0 Maximilian J. Grill, et al. ∙

research

∙ 06/09/2023

Novel Simulation-Inspired Roller Spreading Strategies for Fine and Highly Cohesive Metal Powders

When fine powders are to be used in powder bed metal additive manufactur...

0 Reimar Weissbach, et al. ∙

research

∙ 05/23/2023

Pressure- and time-dependent alveolar recruitment/derecruitment in a spatially resolved patient-specific computational model for injured human lungs

We present a novel approach to computationally model the dynamics of alv...

0 Carolin M. Geitner, et al. ∙

research

∙ 02/16/2023

Towards Additively Manufactured Metamaterials with Powder Inclusions for Controllable Dissipation: The Critical Influence of Packing Density

Particle dampers represent a simple yet effective means to reduce unwant...

0 Patrick M. Praegla, et al. ∙

research

∙ 02/10/2023

A highly efficient computational framework for fast scan-resolved simulations of metal additive manufacturing processes on the scale of real parts

This article proposes a novel high-performance computing approach for th...

0 Sebastian D. Proell, et al. ∙

research

∙ 12/02/2022

An approach to study recruitment/derecruitment dynamics in a patient-specific computational model of an injured human lung

We present a new approach for physics-based computational modeling of di...

0 Carolin M. Geitner, et al. ∙

research

∙ 11/28/2022

Structure-Preserving Invariant Interpolation Schemes for Invertible Second-Order Tensors

Tensor interpolation is an essential step for tensor data analysis in va...

0 Abhiroop Satheesh, et al. ∙

research

∙ 08/05/2022

Asymptotically consistent and computationally efficient modeling of short-ranged molecular interactions between curved slender fibers undergoing large 3D deformations

This article proposes a novel computational modeling approach for short-...

0 Maximilian J. Grill, et al. ∙

research

∙ 08/05/2022

Analytical disk-cylinder interaction potential laws for the computational modeling of adhesive, deformable (nano)fibers

The analysis of complex fibrous systems or materials on the micro- and n...

0 Maximilian J. Grill, et al. ∙

research

∙ 06/10/2022

Bayesian calibration of coupled computational mechanics models under uncertainty based on interface deformation

Calibration or parameter identification is used with computational mecha...

0 Harald Willmann, et al. ∙

research

∙ 02/03/2022

Global sensitivity analysis based on Gaussian-process metamodelling for complex biomechanical problems

Biomechanical models often need to describe very complex systems, organs...

0 Barbara Wirthl, et al. ∙

research

∙ 01/05/2022

A Versatile SPH Modeling Framework for Coupled Microfluid-Powder Dynamics in Additive Manufacturing: Binder Jetting, Material Jetting, Directed Energy Deposition and Powder Bed

Many additive manufacturing (AM) technologies rely on powder feedstock, ...

0 Sebastian L. Fuchs, et al. ∙

research

∙ 01/04/2022

A Mortar Finite Element Formulation for Large Deformation Lubricated Contact Problems with Smooth Transition Between Mixed, Elasto-Hydrodynamic and Full Hydrodynamic Lubricatio

This work proposes a novel model and numerical formulation for lubricate...

0 Mostafa Faraji, et al. ∙

research

∙ 10/14/2021

Inverse analysis of material parameters in coupled multi-physics biofilm models

In this article we propose an inverse analysis algorithm to find the bes...

0 Harald Willmann, et al. ∙

research

∙ 07/23/2021

A simple yet consistent constitutive law and mortar-based layer coupling schemes for thermomechanical macroscale simulations of metal additive manufacturing processes

This article proposes a coupled thermomechanical finite element model ta...

0 Sebastian D. Proell, et al. ∙

research

∙ 04/09/2021

What do cells regulate in soft tissues on short time scales?

Cells within living soft biological tissues seem to promote the maintena...

0 Jonas F. Eichinger, et al. ∙

research

∙ 03/31/2021

Physics-Based Modeling and Predictive Simulation of Powder Bed Fusion Additive Manufacturing Across Length Scales

Powder bed fusion additive manufacturing (PBFAM) of metals has the poten...

0 Christoph Meier, et al. ∙

research

∙ 03/24/2021

A computational framework for modeling cell-matrix interactions in soft biological tissues

Living soft tissues appear to promote the development and maintenance of...

0 Jonas F. Eichinger, et al. ∙

research

∙ 03/14/2021

An SPH framework for fluid-solid and contact interaction problems including thermo-mechanical coupling and reversible phase transitions

The present work proposes an approach for fluid-solid and contact intera...

0 Sebastian L. Fuchs, et al. ∙

research

∙ 02/17/2021

Validation and parameter optimization of a hybrid embedded/homogenized solid tumor perfusion model

The goal of this paper is to investigate the validity of a hybrid embedd...

0 Johannes Kremheller, et al. ∙

research

∙ 01/17/2021

A Novel Modeling and Simulation Approach for the Hindered Mobility of Charged Particles in Biological Hydrogels

This article presents a novel computational model to study the selective...

0 Maximilian J. Grill, et al. ∙

research

∙ 01/14/2021

A Novel Physics-Based and Data-Supported Microstructure Model for Part-Scale Simulation of Ti-6Al-4V Selective Laser Melting

The elasto-plastic material behavior, material strength and failure mode...

0 Jonas Nitzler, et al. ∙

research

∙ 12/16/2020

A novel smoothed particle hydrodynamics formulation for thermo-capillary phase change problems with focus on metal additive manufacturing melt pool modeling

Laser-based metal processing including welding and three dimensional pri...

0 Christoph Meier, et al. ∙

research

∙ 10/19/2020

A novel smoothed particle hydrodynamics and finite element coupling scheme for fluid-structure interaction: the sliding boundary particle approach

A novel numerical formulation for solving fluid-structure interaction (F...

0 Sebastian L. Fuchs, et al. ∙

research

∙ 09/09/2020

A weakly compressible hybridizable discontinuous Galerkin formulation for fluid-structure interaction problems

A scheme for the solution of fluid-structure interaction (FSI) problems ...

0 Andrea La Spina, et al. ∙

research

∙ 01/09/2020

A Generalized Probabilistic Learning Approach for Multi-Fidelity Uncertainty Propagation in Complex Physical Simulations

Two of the most significant challenges in uncertainty propagation pertai...

0 Jonas Nitzler, et al. ∙

research

∙ 12/19/2019

Algebraic multigrid methods for saddle point systems arising from mortar contact formulations

In this paper, a fully aggregation-based algebraic multigrid strategy is...

0 Tobias A. Wiesner, et al. ∙

research

∙ 10/04/2019

Hybrid multigrid methods for high-order discontinuous Galerkin discretizations

The present work develops hybrid multigrid methods for high-order discon...

0 Niklas Fehn, et al. ∙

research

∙ 07/30/2019

Investigation of the Peeling and Pull-off Behavior of Adhesive Elastic Fibers via a Novel Computational Beam Interaction Model

This article studies the fundamental problem of separating two adhesive ...

0 Maximilian J. Grill, et al. ∙

research

∙ 07/30/2019

A Computational Model for Molecular Interactions Between Curved Slender Fibers Undergoing Large 3D Deformations With a Focus on Electrostatic, van der Waals and Repulsive Steri

This contribution proposes the first 3D beam-to-beam interaction model f...

0 Maximilian J. Grill, et al. ∙

research

∙ 06/14/2019

On phase change and latent heat models in metal additive manufacturing process simulation

This work proposes an extension of phase change and latent heat models f...

0 Sebastian D. Proell, et al. ∙

research

∙ 06/14/2019

Accuracy and performance of phase change and latent heat models in metal additive manufacturing process simulation

This work proposes a thermal finite element model for the simulation of ...

0 Sebastian D. Proell, et al. ∙

research

∙ 05/23/2019

A consistent and comprehensive computational approach for general Fluid-Structure-Contact Interaction problems

We present a consistent approach that allows to solve challenging genera...

0 Christoph Ager, et al. ∙

research

∙ 12/05/2018

Automatic Mapping of Atrial Fiber Orientations for Patient-Specific Modeling of Cardiac Electromechanics using Image-Registration

Knowledge of appropriate local fiber architecture is necessary to simula...

0 Julia M. Hoermann, et al. ∙

research

∙ 10/29/2018

Parametric model order reduction and its application to inverse analysis of large nonlinear coupled cardiac problems

Predictive high-fidelity finite element simulations of human cardiac mec...

0 Martin R. Pfaller, et al. ∙

research

∙ 10/24/2018

Extended Comment on the Article "Consistent Development of a Beam-To-Beam Contact Algorithm via the Curve to Solid Beam Contact - Analysis for the Non-Frictional Case"

In the authors' previous works, novel finite element formulations for th...

0 Christoph Meier, et al. ∙

research

∙ 10/12/2018

The importance of the pericardium for cardiac biomechanics: From physiology to computational modeling

The human heart is enclosed in the pericardial cavity. The pericardium c...

0 Martin R. Pfaller, et al. ∙

research

∙ 09/11/2018

A consistent approach for fluid-structure-contact interaction based on a porous flow model for rough surface contact

Simulation approaches for fluid-structure-contact interaction, especiall...

0 Christoph Ager, et al. ∙

research

∙ 08/17/2018

A Nitsche-based cut finite element method for the coupling of incompressible fluid flow with poroelasticity

The focus of this contribution is the numerical treatment of interface c...

0 Christoph Ager, et al. ∙

research

∙ 08/01/2018

A monolithic approach to fluid-structure interaction based on a hybrid Eulerian-ALE fluid domain decomposition involving cut elements

A novel method for complex fluid-structure interaction (FSI) involving l...

0 Benedikt Schott, et al. ∙

research

∙ 07/30/2018

Monolithic cut finite element based approaches for fluid-structure interaction

Cut finite element method (CutFEM) based approaches towards challenging ...

0 Benedikt Schott, et al. ∙

research

∙ 04/18/2018

Critical Influences of Particle Size and Adhesion on the Powder Layer Uniformity in Metal Additive Manufacturing

The quality of powder layers, specifically their packing density and sur...

0 Christoph Meier, et al. ∙

research

∙ 04/18/2018

Modeling and Characterization of Cohesion in Fine Metal Powders with a Focus on Additive Manufacturing Process Simulations

The cohesive interactions between fine metal powder particles crucially ...

0 Christoph Meier, et al. ∙

Wolfgang A. Wall

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