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numerical simulation tsunami

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Old   September 27, 2012, 11:53
Default numerical simulation tsunami
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hossein
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hi
i want to scrutiny effect tsunami on break water,but i dont know which software (ex:flow-3d,ansys-cfx,ansys-flid ...) can best chosed.
please help

all the best
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Old   September 28, 2012, 12:53
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For what it's worth, I just saw a presentation on tsunami modelling in FLOW-3D by Osamu Kiyomiya from Waseda University,Tokyo.
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Old   October 19, 2012, 14:42
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hi,
How i can produce tsunami wave in flow3d with piston(wave maker)
thanks a lot
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Old   October 19, 2012, 14:54
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You'll want to use the GMO model to simulate the motion of the sea floor.
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Old   November 19, 2012, 07:22
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hi,
How i can prodouce tsunami wave in flow3d
i dont know,how we must use "shallow water" for tsunami wave
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Old   November 19, 2012, 11:19
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The GMO approach should still work with the shallow water model. Just be sure to keep all of the geometry in the lower cell and it should be fine. Alternatively, you could try using the wave boundary condition to create the waves.
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Old   November 19, 2012, 11:42
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When i use "shallow water",the flow3d want to be number cell mesh in z direction 2cell. my model in z direction have 300cell!
that Seems strange to me
what should i do?
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Old   November 19, 2012, 12:03
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The shallow water model uses depth-averaged equations and therefore only needs two cells in z. It expects all geometry and fluid to be in the lower cell; the upper cell is used to apply the boundary conditions at the free surface. If you define your problem in this way it should work.
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Old   November 19, 2012, 16:00
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Quote:
Originally Posted by dmilano View Post
The shallow water model uses depth-averaged equations and therefore only needs two cells in z. It expects all geometry and fluid to be in the lower cell; the upper cell is used to apply the boundary conditions at the free surface. If you define your problem in this way it should work.
Yes just like dmilano suggested you can make all your geometry (300 cells in z-direction) into bottom cell; use upper cell to apply boundary condition at the free surface.
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Old   November 19, 2012, 17:53
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How i can place geometry (300 cells in z-direction) into bottom cell?
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Old   November 19, 2012, 18:14
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Quote:
Originally Posted by hossein2357 View Post
How i can place geometry (300 cells in z-direction) into bottom cell?
just combine 300 cells into 1.
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Old   December 4, 2012, 05:54
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hi
when i use shallow water and run program.
The wave player normally can not be seen. ex:in 2D and X-Z plane, I see the color of the lower cell.
can we see shallow water the normal display?
Attached Images
File Type: jpg shallow water.jpg (18.0 KB, 15 views)
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