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Experimental validation of numerical approach for free surface flows modelling based on lattice Boltzmann method

Citace:
VIMMR, J.., LOBOVSKÝ, L.., BUBLÍK, O.., MANDYS, T.. Experimental validation of numerical approach for free surface flows modelling based on lattice Boltzmann method. In Proceedings of the 6th European Conference on Computational Mechanics: Solids, Structures and Coupled Problems, ECCM 2018 and 7th European Conference on Computational Fluid Dynamics, ECFD 2018. Scottish Events CampusGlasgow: International Center for Numerical Methods in Engineerin, 2020. s. 2211-2222. ISBN: 978-84-947311-6-7
Druh: STAŤ VE SBORNÍKU
Jazyk publikace: eng
Anglický název: Experimental validation of numerical approach for free surface flows modelling based on lattice Boltzmann method
Rok vydání: 2020
Místo konání: Glasgow
Název zdroje: International Center for Numerical Methods in Engineerin
Autoři: doc. Ing. Jan Vimmr Ph.D. , Ing. Libor Lobovský Ph.D. , Ing. Ondřej Bublík Ph.D. , Ing. Tomáš Mandys Ph.D.
Abstrakt EN: This study is focused on numerical as well as experimental investigation of free surface flows during gravity casting processes. The numerical simulations are based on an in-house implementation of the lattice Boltzmann method and results of the implemented algorithm are validated against the measured experimental data. In order to capture the free surface of an incompressible fluid, the algorithm based on the volume of fluid method is adopted. In addition, a surface tension term is included. The suggested computational algorithm is capable of capturing well an evolution of the free-surface flow during gravity casting as shown by comparison of results of the performed numerical simulations and experimental measurements.
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