TELEMAC-MASCARET Forum: Significant wave height is too high compared to the Observe Buoys data (1/1)

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TOPIC: Significant wave height is too high compared to the Observe Buoys data

Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33258

amanj2013
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Posts: 211
Thank you received: 24

Hello,

I am working on wave model using stand alone TOMAWAC V7P3. The result of my model plotted against the data of the four available buoys and for all of them looks very high and kinda shifted. Here I am posting the result of one of them and I tried different wind generations and getting worse.

I would like to ask your opinion and suggestion as you may experience the same.

Best Regards,
AMANJ

Attachments:

WaveHeight.png (40KB)
tom_dec03_..._jan.cas (3KB)

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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33261

tfouquet OFFLINE Moderator Posts: 294 Thank you received: 112	Hello I am not sure if it would be sufficient to explain the difference but since you have infinite depth equal to no, you should have some depth-induced breaking dissipation. That would reduce the high of your waves. Regards Thierry
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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33265

amanj2013 OFFLINE Expert Boarder Posts: 211 Thank you received: 24	Hi Thierry, I tried this option and once set to TRUE, it crash at first time step, Here is the log file, However, when set to NO, will run normally. AMANJ Attachments: error_2019-03-20.txt (16KB)
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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33266

tfouquet OFFLINE Moderator Posts: 294 Thank you received: 112	Can you send your full case so that i try to see why it crashed.
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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33268

amanj2013 OFFLINE Expert Boarder Posts: 211 Thank you received: 24	Hi, Here is the link for full case files! drive.google.com/open?id=1V5jqed-vVoXh-458tXUO29m9To71-aNL AMANJ
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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33269

tfouquet OFFLINE Moderator Posts: 294 Thank you received: 112	In your steering file it was set infinite depth = true which is obviously not the cas seeing your bathymetry, and you can't have bottom friction neither depth breaking if you have infinite depth. I turned it to no and it is running, we'll see how it turns ...
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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33270

amanj2013
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Expert Boarder
Posts: 211
Thank you received: 24

well. at first I turned to NO at beginning and was running but compared to the observed data seems shifted only, but after you recommended, I turned true and then crashed. So, be make it clear, if I wanna turn to true, then have to set bottom friction and depth breaking to null?\\

My original setting to infinite depth was NO,

Do you think I have to try the TRUE one too and deactivate friction and depth breaking?

AMANJ

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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33272

tfouquet OFFLINE Moderator Posts: 294 Thank you received: 112	Obviously you do not have an infinite depth so you have to set it to no. As for depth breaking set to 1 it works with the file you put on the google when infinite depth is set to no. I got a result but i can not judge if it is close to the measure. here is the image of the result with depth breaking and bottom friction. Attachments: HM0_2019-03-20.png (40KB)
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Significant wave height is too high compared to the Observe Buoys data 5 years 8 months ago #33273

amanj2013 OFFLINE Expert Boarder Posts: 211 Thank you received: 24	Here is one of the buoys data for that period! You can see the x and y in the file name, AMANJ Attachments: N244331X-1...49.3.txt (3KB)
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