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porous - wave propogation

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Old   November 1, 2022, 05:26
Default porous - wave propogation
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Hii all,

I am trying to see how the wave propagates over porous media to be used later for implementing vegetation-wave interaction.

The waves damp completely (i guess) after passing/propogating through the long porous media (evident from wave gauges result). Is this expected ? or am I doing something completely wrong ?

I am using the latest version of REEF3d and DiveMESH. Can anyone look at the issue ?

I have attached the control.txt and ctrl.txt for your reference.

Thanks

Paul
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Old   November 1, 2022, 07:49
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Quote:
Originally Posted by paulathikalam View Post
Hii all,

I am trying to see how the wave propagates over porous media to be used later for implementing vegetation-wave interaction.

The waves damp completely (i guess) after passing/propogating through the long porous media (evident from wave gauges result). Is this expected ? or am I doing something completely wrong ?

I am using the latest version of REEF3d and DiveMESH. Can anyone look at the issue ?

I have attached the control.txt and ctrl.txt for your reference.

Thanks

Paul

is it because i use 4cm wave and the porous media is of 5m ?
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Old   November 2, 2022, 09:42
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Arun Kamath
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Highly possible yes.
As long as your waves are approaching the porous media from the wave gen zone with H = 0.04 m, your grid is fine.
(If you have not, just confirm this with a 2D sim without the porous structure)

The waves behind the porous structure will of course depend on the amount of damping due to the structure, like you say.

In this paper, there are close to no waves behind the breakwater, in the last case, fig 20.

Therefore, there is possibly nothing wrong in what you are doing
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Old   November 7, 2022, 04:42
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Originally Posted by kamath View Post
Highly possible yes.
As long as your waves are approaching the porous media from the wave gen zone with H = 0.04 m, your grid is fine.
(If you have not, just confirm this with a 2D sim without the porous structure)

The waves behind the porous structure will of course depend on the amount of damping due to the structure, like you say.

In this paper, there are close to no waves behind the breakwater, in the last case, fig 20.

Therefore, there is possibly nothing wrong in what you are doing

Thanks for checking. I will work on this :-)

Paul
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