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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Kinetic Modeling and Simulation of Environmental and Civil Engineering Flow Problems
verfasst von : M. Krafczyk, J. Tölke, B. Ahrenholz, S. Bindick, S. Freudiger, S. Geller, C. Janssen, B. Nachtwey
Erschienen in: 100 Volumes of ‘Notes on Numerical Fluid Mechanics’
Verlag: Springer Berlin Heidelberg
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In this contribution the authors address recent advances of modelling and simulating flow problems related to Environmental and Civil Engineering using Lattice-Boltzmann methods (LBM) and present results documenting the potential of this kinetic approach. After a short introduction to theoretical aspects of the method, we address extensions of the basic LB ansatz to model turbulent, thermal and multiphase flows, free surface flows and bidirectional Fluid-Structure-Interaction. All simulations were done with the LBM research prototype software Virtual Fluids [16], a transient 2D/3Dcode offering adaptive hierarchical Cartesian grid refinement, massive parallelization and multi-physics capabilities. The simulation of a simplified debris flow problem is based on the coupling of the flow solver with an external physics engine.