Based on the theory of turbulence and molecule kinetics, an extended Lattice Boltzmann equation (ELBE) is derived to solve turbulent flow, in which sub-grid turbulence model is introduced to simulate vortex viscosity as well as turbulence relaxation time to modify the normal LBGK equation. Further more, the ELBE is applied to predict aerodynamic forces and vortex shedding frequency of bridge truss girder, and an equivalent two-dimensional model is studied to solve truss girder considering block ratio.
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References
Chen H., Satheesh K., Steven O., et al. (2003). Extended Boltzmann kinetic equation for turbulent flows. Science, 301, 633–636.
Chen S., Doolen G.D. (1998). Lattice Boltzmann method for fluid flows. Ann. Rev. Fluid. Mech., 30, 329–364.
Liu Tian-Cheng, Ge Yao-Jun, Cao Feng-Chan (2007). Turbulence flow simulation based on the lattice-Boltzmann method combined with LES. Proceeding in ICWE12, Cairns, Australia, 8
Liu Tian-Cheng, GE Yao-Jun, CAO Feng-Chan, et al. (2008). Simulation of flow around square cylinder based on lattice Boltzmann method. J. of Tongji University (National Science), 36(8), 1028–1033.
McNamara GR., Zanetti G. (1988). Use of the Boltzmann equation to simulate lattice automata. J. Phys. Rev. Let., 61, 2332–2335.
Spalart P.R. (2000). Strategies for turbulence modeling and simulations. Int. J. Heat Fluid Flow, 21, 252–263.
Tamura T. (2006). Towards practical use of LES in wind engineering. Proc. in CWE2006, Yokohama, 1–8.
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Liu, T., Liu, G., Wu, H., Ge, Y., Cao, F. (2009). Simulation of Flow around Truss Girder with Extended Lattice Boltzmann Equation. In: Yuan, Y., Cui, J., Mang, H.A. (eds) Computational Structural Engineering. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2822-8_45
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DOI: https://doi.org/10.1007/978-90-481-2822-8_45
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-2821-1
Online ISBN: 978-90-481-2822-8
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