Numerical simulation of skin transport using Parareal

A Kreienbuehl, A Naegel, D Ruprecht, R Speck… - … and visualization in …, 2015 - Springer
In silico investigation of skin permeation is an important but also computationally demanding
problem. To resolve all scales involved in full detail will not only require exascale computing …

Following the blind seer–creating better performance models using less information

P Reisert, A Calotoiu, S Shudler, F Wolf - Euro-Par 2017: Parallel …, 2017 - Springer
Offering insights into the behavior of applications at higher scale, performance models are
useful for finding performance bugs and tuning the system. Extra-P, a tool for automated …

Parallel 3d shape optimization for cellular composites on large distributed-memory clusters

J Pinzon, M Siebenborn, A Vogel - Journal of Advanced Simulation …, 2020 - jstage.jst.go.jp
Skin modeling is an ongoing research area that highly benefits from modern parallel
algorithms. This article aims at applying shape optimization to compute cell size and …

Towards the numerical determination of the splashing threshold of two-component drop film interactions

J Steigerwald, M Ibach, J Reutzsch… - … Performance Computing in …, 2021 - Springer
The scenario of an impacting drop onto a film is highly relevant in many natural and
technical systems. A fundamental and often required parameter of these interactions is the …

Shape optimization in with geometric constraints: a study in distributed-memory systems

PJ Herbert, JAP Escobar, M Siebenborn - arxiv preprint arxiv:2309.15607, 2023 - arxiv.org
In this paper we present a shape optimization scheme which utilizes the alternating direction
method of multipliers (ADMM) to approximate a direction of steepest descent in $ W^{1,\infty} …

Towards a direct numerical simulation of primary jet breakup with evaporation

J Reutzsch, M Ertl, M Baggio, A Seck… - … Computing in Science …, 2019 - Springer
The primary breakup of liquid jets plays an important role in fuel injection for combustion
engines and gas turbines. Due to the ambient conditions the liquid also evaporates during …

Towards the implementation of a new multigrid solver in the DNS code FS3D for simulations of shear-thinning jet break-up at higher Reynolds numbers

M Ertl, J Reutzsch, A Nägel, G Wittum… - … Computing in Science …, 2018 - Springer
Liquid jet break-up appears in many technical applications, as well as in nature. It consists of
complex physical processes, which happen on very small scales in space and time. This …

Engineering algorithms for scalability through continuous validation of performance expectations

S Shudler, Y Berens, A Calotoiu… - … on Parallel and …, 2019 - ieeexplore.ieee.org
Many libraries in the HPC field use sophisticated algorithms with clear theoretical scalability
expectations. However, hardware constraints or programming bugs may sometimes render …

Automatic performance modeling of HPC applications

F Wolf, C Bischof, A Calotoiu, T Hoefler… - Software for Exascale …, 2016 - Springer
Many existing applications suffer from inherent scalability limitations that will prevent them
from running at exascale. Current tuning practices, which rely on diagnostic experiments …

Automated performance modeling of the ug4 simulation framework

A Vogel, A Calotoiu, A Nägel, S Reiter, A Strube… - Software for Exascale …, 2016 - Springer
Many scientific research questions such as the drug diffusion through the upper part of the
human skin are formulated in terms of partial differential equations and their solution is …