Adaptive and flexible macro-micro coupling software

PN 5-9

Project description

For many challenging applications in simulation technology, micro-scale phenomena can dominate macro-scale behavior. Using micro-scale models to simulate the complete macro-scale domain of interest is however oftentimes infeasible due to excessive computational cost. Thus, multiscale consideration is a necessity. In this project, we develop novel software and algorithms to couple existing macro-scale and micro-scale simulation programs in a black-box fashion. Special attention is given to the adaptive use of micro simulations and the resulting potential load imbalance for parallel computing – two prerequisites if we want to build realistic applications. To this end, we devise a managing component for all micro simulations, which is coupled to the macro-scale simulation through the coupling library preCICE. The novel concepts are applicable to a wide range of applications in ExC 2075. We showcase the capability of our concepts for muscle models (studied in PN5 and PN7) and porous media flow (studied in PN1).

Project information

Project title Adaptive and flexible macro-micro coupling software
Project leaders Benjamin Uekermann (Carina Bringedal)
Project partners Harald van Brummelen (TU Eindhoven)
Clemens Verhoosel (TU Eindhoven)
Project duration January 2021 - December 2023
Project number PN 5-9

Publications PN 5-9 and PN 5-9 (II)

  1. 2023

    1. D. Schneider, T. Schrader, and B. Uekermann, “Data-Parallel Radial-Basis Function Interpolation in preCICE,” in 10th edition of the International Conference on Computational Methods for Coupled Problems in Science and Engineering, M. Papadrakakis, S. B., and O. E., Eds., in 10th edition of the International Conference on Computational Methods for Coupled Problems in Science and Engineering. CIMNE, 2023. doi: 10.23967/c.coupled.2023.016.
    2. G. Chourdakis, D. Schneider, and B. Uekermann, “OpenFOAM-preCICE: Coupling OpenFOAM with External Solvers for Multi-Physics Simulations,” OpenFOAM® Journal, vol. 3, pp. 1–25, Feb. 2023, doi: 10.51560/ofj.v3.88.
This image shows Benjamin Uekermann

Benjamin Uekermann

Jun.-Prof. Dr. rer. nat.

Usability and Sustainability of Simulation Software

This image shows Carina Bringedal

Carina Bringedal

Associate Professor

Modeling and simulation of flow and transport in porous media

[Photo: SimTech/Max Kovalenko]

To the top of the page