Numerical study of dam-break fluid flow using volume of fluid (VOF) methods for different angles of inclined planes
Issakhov A. Zhandaulet Y.
November 2021SAGE Publications Ltd
Simulation
2021#97Issue 11717 - 737 pp.
In this paper, the effects of water on obstacles in dam-break flow for different angles of the inclined planes have been numerically examined. The presented computational data are compared with data from the experiment and computational simulation data of other authors. Good agreements between the obtained simulation results and measurement data demonstrate the satisfactory performance of the mathematical model and the numerical algorithm when reproducing a dam-break flow. Additionally, various problems were also considered: the effect of pressure distribution on the dam walls for different angles of the inclined plane. It was found that pressure distribution on the wall when the inclined angle (Formula presented.) = 15° was almost two times more than without inclination. To reduce the shock pressure value a new form of obstacle was used. With a new form of obstacle, the maximum pressure value on the dam wall decreased more than three times.
angles of inclined planes , Dam-break flow simulations , Navier–Stokes equations , PISO algorithm
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Department of Mathematical and Computer Modelling, Al-Farabi Kazakh National University, Kazakhstan
Department of Mathematics and Cybernetics, Kazakh British Technical University, Kazakhstan
Department of Mathematical and Computer Modelling
Department of Mathematics and Cybernetics
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