Two dimensional shallow-water flow model with immersed boundary method

2011 ◽  
Vol 51 (1) ◽  
pp. 145-156 ◽  
Author(s):  
Hau-Rong Chung ◽  
Te-Yung Hsieh ◽  
Jinn-Chuang Yang
Keyword(s):  
Shallow Water ◽  
Water Flow ◽  
Immersed Boundary Method ◽  
Flow Model ◽  
Immersed Boundary ◽  
Two Dimensional ◽  
Shallow Water Flow ◽  
Boundary Method

Level set-based topology optimization for two dimensional turbulent flow using an immersed boundary method

2021 ◽  
pp. 110630
Author(s):  
Seiji Kubo ◽  
Atsushi Koguchi ◽  
Kentaro Yaji ◽  
Takayuki Yamada ◽  
Kazuhiro Izui ◽  
...  
Keyword(s):  
Topology Optimization ◽  
Turbulent Flow ◽  
Level Set ◽  
Immersed Boundary Method ◽  
Immersed Boundary ◽  
Two Dimensional ◽  
Boundary Method

scholarly journals A Ghost-Cell Immersed Boundary Method for Wave–Structure Interaction Using a Two-Phase Flow Model

Water ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 3346
Author(s):  
Yuan-Shiang Tsai ◽  
Der-Chang Lo
Keyword(s):  
Immersed Boundary Method ◽  
Flow Model ◽  
Two Phase Flow ◽  
Immersed Boundary ◽  
Phase Flow ◽  
Ghost Cell ◽  
Two Phase ◽  
Boundary Method ◽  
Lift Forces ◽  
Drag And Lift

The air-water two-phase flow model is developed to study the transformation of monochromatic waves passing over the submerged structure. The level set method is employed to describe the motion of the interface while the effect of the immersed object on the fluid is resolved using the ghost-cell immersed boundary method. The computational domain integrated with the air-water and fluid-solid phases allows the use of uniform Cartesian grids. The model simulates the wave generation, wave decomposition over a submerged trapezoidal breakwater, and the formation of the vortices as well as the drag and lift forces caused by the surface waves over three different configurations of the submerged structures. The numerical results show the capability of the present model to accurately track the deformation of the free surface. In addition, the variation of the drag and lift forces depend on the wavelength and wave induced vortices around the submerged object. Hence, the study observes that the triangular structure experiences the relatively small wave force.

Two-dimensional compact finite difference immersed boundary method

2011 ◽  
Vol 65 (6) ◽  
pp. 609-624 ◽  
Author(s):  
Paulo J. S. A. Ferreira de Sousa ◽  
José C. F. Pereira ◽  
James J. Allen
Keyword(s):  
Finite Difference ◽  
Immersed Boundary Method ◽  
Immersed Boundary ◽  
Two Dimensional ◽  
Compact Finite Difference ◽  
Boundary Method
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