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08/03/2023
Fundamental Data Structures for Matrix-Free Finite Elements on Hybrid Tetrahedral Grids
This paper presents efficient data structures for the implementation of ...
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05/24/2023
Model-Based Performance Analysis of the HyTeG Finite Element Framework
In this work, we present how code generation techniques significantly im...
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11/04/2022
Advanced Automatic Code Generation for Multiple Relaxation-Time Lattice Boltzmann Methods
The scientific code generation package lbmpy supports the automated desi...
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12/08/2021
A decoupled numerical method for two-phase flows of different densities and viscosities in superposed fluid and porous layers
In this article we consider the numerical modeling and simulation via th...
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03/03/2021
A massively parallel Eulerian-Lagrangian method for advection-dominated transport in viscous fluids
Motivated by challenges in Earth mantle convection, we present a massive...
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12/11/2020
Highly Efficient Lattice-Boltzmann Multiphase Simulations of Immiscible Fluids at High-Density Ratios on CPUs and GPUs through Code Generation
A high-performance implementation of a multiphase lattice Boltzmann meth...
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10/26/2020
Textbook efficiency: massively parallel matrix-free multigrid for the Stokes system
We employ textbook multigrid efficiency (TME), as introduced by Achi Bra...
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01/31/2020
lbmpy: Automatic code generation for efficient parallel lattice Boltzmann methods
Lattice Boltzmann methods are a popular mesoscopic alternative to macros...
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01/31/2020
lbmpy: A flexible code generation toolkit for highly efficient lattice Boltzmann simulations
Lattice Boltzmann methods are a popular mesoscopic alternative to macros...
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09/30/2019
waLBerla: A block-structured high-performance framework for multiphysics simulations
Programming current supercomputers efficiently is a challenging task. Mu...
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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...
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08/23/2019
Stencil scaling for vector-valued PDEs with applications to generalized Newtonian fluids
Matrix-free finite element implementations for large applications provid...
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06/26/2019
A Modular and Extensible Software Architecture for Particle Dynamics
Creating a highly parallel and flexible discrete element software requir...
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06/17/2019
Validation and calibration of coupled porous-medium and free-flow problems using pore-scale resolved models
The correct choice of interface conditions and effective parameters for ...
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05/13/2019
Computational Study of Ultrathin CNT Films with the Scalable Mesoscopic Distinct Element Method
In this work we present a computational study of the small strain mechan...
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11/30/2018
Dynamic Load Balancing Techniques for Particulate Flow Simulations
Parallel multiphysics simulations often suffer from load imbalances orig...
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08/02/2018
A Systematic Comparison of Dynamic Load Balancing Algorithms for Massively Parallel Rigid Particle Dynamics
As compute power increases with time, more involved and larger simulatio...
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05/25/2018
A Scalable and Modular Software Architecture for Finite Elements on Hierarchical Hybrid Grids
In this article, a new generic higher-order finite-element framework for...
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04/17/2018
Adaptive control in rollforward recovery for extreme scale multigrid
With the increasing number of compute components, failures in future exa...
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02/08/2018
A local parallel communication algorithm for polydisperse rigid body dynamics
The simulation of large ensembles of particles is usually parallelized b...
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11/01/2017
A Coupled Lattice Boltzmann Method and Discrete Element Method for Discrete Particle Simulations of Particulate Flows
Discrete particle simulations are widely used to study large-scale parti...
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08/29/2017
A Scalable Multiphysics Algorithm for Massively Parallel Direct Numerical Simulations of Electrophoresis
In this article we introduce a novel coupled algorithm for massively par...
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08/29/2017
Coupled Multiphysics Simulations of Charged Particle Electrophoresis for Massively Parallel Supercomputers
The article deals with the multiphysics simulation of electrokinetic flo...
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06/01/2017
The Maximum Dissipation Principle in Rigid-Body Dynamics with Purely Inelastic Impacts
Formulating a consistent theory for rigid-body dynamics with impacts is ...
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11/23/2015
A Python Extension for the Massively Parallel Multiphysics Simulation Framework waLBerla
We present a Python extension to the massively parallel HPC simulation t...
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11/06/2015