RANS Model for Spilling Breaking WavesSource: Journal of Fluids Engineering:;2002:;volume( 124 ):;issue: 002::page 424Author:Shin Hyung Rhee
,
Postdoctoral Associate; currently CFD Engineer
,
Fred Stern
,
Professor Mechanical Engineering
DOI: 10.1115/1.1467078Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A RANS model for spilling breaking waves is developed, which can be implemented with ship hydrodynamics RANS CFD codes. The model is based on the Cointe & Tulin theory of steady breakers. The breaker cross section is assumed triangular with maximum height determined by the theoretical/experimental linear relationship with following wave height. Pressure and velocity boundary conditions are imposed on the dividing streamline between the breaker and underlying flow based on the hydrostatic and mixing layer models. An iterative solution procedure provides a unique solution for specified breaking criteria and simulation conditions. The model is implemented using CFDSHIP-IOWA and validated using spilling breaking wave benchmark data for two-dimensional submerged hydrofoils. As with other current RANS codes, wave elevations are under-predicted. However, for the first time in literature, the breaking wave wake is predicted. Results for total head, mean velocities, and Reynolds stresses are in agreement with available spilling breaking wave benchmark data.
keyword(s): Waves , Hydrofoil , Reynolds-averaged Navier–Stokes equations , Flow (Dynamics) , Wakes AND Pressure ,
|
Collections
Show full item record
| contributor author | Shin Hyung Rhee | |
| contributor author | Postdoctoral Associate; currently CFD Engineer | |
| contributor author | Fred Stern | |
| contributor author | Professor Mechanical Engineering | |
| date accessioned | 2017-05-09T00:07:48Z | |
| date available | 2017-05-09T00:07:48Z | |
| date copyright | June, 2002 | |
| date issued | 2002 | |
| identifier issn | 0098-2202 | |
| identifier other | JFEGA4-27173#424_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/126970 | |
| description abstract | A RANS model for spilling breaking waves is developed, which can be implemented with ship hydrodynamics RANS CFD codes. The model is based on the Cointe & Tulin theory of steady breakers. The breaker cross section is assumed triangular with maximum height determined by the theoretical/experimental linear relationship with following wave height. Pressure and velocity boundary conditions are imposed on the dividing streamline between the breaker and underlying flow based on the hydrostatic and mixing layer models. An iterative solution procedure provides a unique solution for specified breaking criteria and simulation conditions. The model is implemented using CFDSHIP-IOWA and validated using spilling breaking wave benchmark data for two-dimensional submerged hydrofoils. As with other current RANS codes, wave elevations are under-predicted. However, for the first time in literature, the breaking wave wake is predicted. Results for total head, mean velocities, and Reynolds stresses are in agreement with available spilling breaking wave benchmark data. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | RANS Model for Spilling Breaking Waves | |
| type | Journal Paper | |
| journal volume | 124 | |
| journal issue | 2 | |
| journal title | Journal of Fluids Engineering | |
| identifier doi | 10.1115/1.1467078 | |
| journal fristpage | 424 | |
| journal lastpage | 432 | |
| identifier eissn | 1528-901X | |
| keywords | Waves | |
| keywords | Hydrofoil | |
| keywords | Reynolds-averaged Navier–Stokes equations | |
| keywords | Flow (Dynamics) | |
| keywords | Wakes AND Pressure | |
| tree | Journal of Fluids Engineering:;2002:;volume( 124 ):;issue: 002 | |
| contenttype | Fulltext |