RANS Model for Spilling Breaking Waves

[+] Author and Article Information
Shin Hyung Rhee

Fluent Inc., Lebanon, NH 03766

Fred Stern

Iowa Institute of Hydraulic Research, The University of Iowa, Iowa City, IA 52246 e-mail: frederick-stern@uiowa.edu

J. Fluids Eng 124(2), 424-432 (May 28, 2002) (9 pages) doi:10.1115/1.1467078 History: Received March 28, 2001; Revised January 03, 2002; Online May 28, 2002
Copyright © 2002 by ASME
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RANS model for spilling breaking waves
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Solution domain and grid for 2D submerged hydrofoil. (y- and z-coordinates are 10 and 3 times magnified, respectively. Every other grid points are shown.)
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RANS model spilling breaking wave solutions and experimental data locations: (a) Second trough after the breaker for Duncan’s 5 case: (b) 0.2L and 0.1L before; on and; 0.1L,0.2L, and 0.3L after breaker top for Mori’s 6 case.
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Contours of total head, streamwise velocity, pressure, eddy viscosity, turbulence fluctuations, and Reynolds stress for Duncan’s 5 breaking case (d/L,Fr,Re)=(0.925,0.567,1.42×105): (a) Total head; (b) streamwise velocity; (c) pressure; (d) eddy viscosity; (e) turbulence fluctuations: u′2(=w′2); (f) Reynolds stress: uw
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Wave elevation, velocity, and total head defect for Duncan’s 5 breaking case (d/L,Fr,Re)=(0.925,0.567,1.42×105): (a) Wave profile; (b) streamwise velocity; (c) total head defect.
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Measured and computed wave profiles for Duncan’s 5 nonbreaking case (d/L,Fr,Re)=(1.29,0.567,1.42×105)
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Profiles of U-1 and W for Mori’s 6 breaking case (d/L,Fr,Re)=(0.7,0.551,2.48×105): (a) U-1 profiles; (b) W profiles
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Profiles of turbulence fluctuations and Reynolds stress for Mori’s 6 breaking case (d/L,Fr,Re)=(0.7,0.551,2.48×105): (a) Streamwise turbulence fluctuations (u′2) profiles; (b) Depthwise turbulence fluctuations (w′2) profiles; (c) Reynolds stress (uw) profiles.




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