In this paper, a three-dimensional (3D) numerical investigation of dam-break and water entry problems with emphasis on the water impact loading is presented. Flow fields of incompressible viscous fluids are solved using unsteady Navier-Stokes equations (NS). Pseudo-time derivatives are introduced into the equations to improve computational efficiency. The interface between two phases is tracked using a volume-of-fluid (VOF) interface tracking algorithm developed in a generalized curvilinear coordinate system. The accuracy and capability of the numerical model for free surface flow simulations are demonstrated by using experiments of the dam-break flow over a horizontal dry bed. The water impact problem has been analyzed by free falling water entry of a hemisphere and a cone. Comparisons between the obtained solutions, the experimental data and the results of other numerical simulations in the literature are presented exhibiting good agreement.
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ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
July 26–31, 2015
Seoul, South Korea
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5732-8
PROCEEDINGS PAPER
3D Volume-of-Fluid (VOF) Based Simulation of Water Impact Problem Using Navier-Stokes Computations
Van-Tu Nguyen,
Van-Tu Nguyen
Pusan National University, Busan, Korea
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Warn-Gyu Park
Warn-Gyu Park
Pusan National University, Busan, Korea
Search for other works by this author on:
Van-Tu Nguyen
Pusan National University, Busan, Korea
Warn-Gyu Park
Pusan National University, Busan, Korea
Paper No:
AJKFluids2015-06153, V01AT06A001; 10 pages
Published Online:
April 4, 2016
Citation
Nguyen, V, & Park, W. "3D Volume-of-Fluid (VOF) Based Simulation of Water Impact Problem Using Navier-Stokes Computations." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 1A: Symposia, Part 2. Seoul, South Korea. July 26–31, 2015. V01AT06A001. ASME. https://doi.org/10.1115/AJKFluids2015-06153
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