Krupp, Verena: Efficient coupling of fluid and acoustic interaction on massively parallel systems. 2021
Inhalt
- Title Page
- Danksagung
- Zusammenfassung
- Abstract
- Contents
- Nomenclature
- Introduction
- Governing equations and their discretization
- Partitioned coupling
- Coupling tasks
- Steering of individual solvers
- Communication of coupling data
- Data mapping in time
- Data mapping in space
- Static load balancing
- Discontinuous Galerkin in the context of coupling
- Fluid dynamics in the context of coupling
- Numerical framework
- Simulation framework APES
- High-order Discontinuous Galerkin solver Ateles
- Multi-solver approach: preCICE
- Overview
- Steering of individual solvers
- Communication of coupling data
- Data mapping in time
- Data mapping in space: (Interpolation) methods
- Projection-based mapping
- Radial Basis Function interpolation
- Comparison of the interpolation methods
- Performance
- Integrated approach: APESmate
- Coupling results
- Gaussian distribution in pressure
- 2-field coupling of same equations
- 2-field coupling of different equations
- 3-field coupling of different equations
- 3D subsonic free-stream jet
- Investigation of numerical setup
- Testcase Setup
- Numerical resolution A: Monolithic-like setup
- Investigations of load balancing
- Load balancing with APESmate
- Single-stage vs. multi-stage time integration
- Load balancing with preCICE
- Comparison of APESmate and preCICE
- Scalability of setup A with APESmate
- Numerical resolution B: Tailored setup
- Investigation of imperfect choice of coupling interfaces
- Investigation of time-consistent coupling
- Summary and outlook
- Optimization of polynomial evaluation in Ateles
- Performance of the initialization phase of APESmate using MPI_ALLTOALL
- Figures for investigation of the Gaussian distribution in pressure
- Iterative use of SPartA
- Bibliography
- List of Figures
- List of Tables