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Abstract
This paper presents the current state of a computational steering system for interactive computational fluid dynamics (CFD) simulations, allowing engineers to simulate interactively indoor climate and to evaluate human comfort. The tools presented support cooperative planning and design by providing means for interactively adding, removing and modifying geometry and boundary conditions online during a CFD simulation. To ensure interactivity and short-latency updates even for high-resolution runs the parallel Lattice–Boltzmann-based simulation kernel is optimized for high-performance computing systems. Emphasis is placed on the computational steering architecture, connecting a supercomputer with one or more visualization workstations. In particular, we show how a high-performance communication between simulation and visualization or steering front-end can be achieved together with preserving a flexible mechanism of on-the-fly attachment of multiple cooperation clients.
Acknowledgements
The authors are grateful to the Bayerische Forschungsstiftung (Bavarian Research Foundation, http://www.forschungsstiftung.de), to KONWIHR and to the SIEMENS AG, Corporate Technology for financial support. Results presented in this paper are part of the research projects SimFas, ComfSim and ViSimLab.
Notes
† COMPAS: Co-operative Micro Processors in Single Address Space.