TELEMAC-MASCARET Forum: noerod & init

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TOPIC: noerod & init_compo subroutines

noerod & init_compo subroutines 12 years 11 months ago #3302

gaventang

Hello,

I have a model for which I would like to specify zones (regions) with different non-erodible bed elevations and spatially varied/stratified sediment grain sizes. From the Sisyphe manual, I understand that I would need to modify the noerod.f and init_compo.f subroutines.

I am new to coding in Fortran, so I don't really know how to accomplish this. Would somebody be able to provide sample code that I can work off of?

Any help would be greatly appreciated.

Regards,
Gaven Tang

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Re: noerod & init_compo subroutines 12 years 11 months ago #3303

Pablo OFFLINE Moderator Posts: 316 Thank you received: 121	Hi Gaventang, Please send me your email. Then I'll send to you a piece of code showing how to do that. all the best, Pablo
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Re: noerod & init_compo subroutines 12 years 11 months ago #3309

gaventang	Hi Pablo, My email is This email address is being protected from spambots. You need JavaScript enabled to view it. . Thanks for your help! Gaven
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Re: noerod & init_compo subroutines 12 years 11 months ago #3310

Pablo OFFLINE Moderator Posts: 316 Thank you received: 121	Hi Gaven, I contacted you via your private email. I hope this helps! all the best pablo
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Re: noerod & init_compo subroutines 12 years 11 months ago #3317

gaventang	Thank you Pablo. This will prove to be very useful. Would you be able to also provide a sample code of how I can spatially vary and stratify sediment using init_compo.f? Cheers, Gaven
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Re: noerod & init_compo subroutines 12 years 11 months ago #3329

gh_river	Dear Gaven, I added an very easy example for the spatial variation of sediment sizes using the init_compo subroutine. Hope this helps, Gabriele Attachments: princi_sis.f (3KB)
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Re: noerod & init_compo subroutines 12 years 11 months ago #3331

gaventang

Hi Gabriele,

Thanks for the sample code.

Just to confirm that I am reading it correctly, you are defining sediment fractions for 3 different regions based on the Y-coordinates?

What is the difference between: AVAIL(J,1,1) and AVAIL(J,1,2)? In the argument description, I see that the 1 and 2 refers to NPOIN, which is the node, but isn't the code already pointing to the nodes from the if/elseif arguments?

Cheers,
Gaven

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Re: noerod & init_compo subroutines 12 years 11 months ago #3334

gh_river	Hi Gaven, yes, I am defining the sediment fractions for 3 zones. The 1 and 2 in the refers to the sediment size classes. I modified an existing init_compo from 09.River_Arc validation case. You can download it on the telemac page. Best regards, Gabriele
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Re: noerod & init_compo subroutines 12 years 11 months ago #3336

gaventang	Thank you Gabriele. Your help was invaluable! Cheers, Gaven
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noerod & init_compo subroutines 10 years 6 months ago #13039

fezai

Hello,

I'm trying to include init_compo subroutine in the simulation to account for a spatially varying sediment grain size distribution.

I'm using sisyphe v6.3, it seems to me that the subroutine init_compo is not called!!

In fact, when I noticed that the mean grain diameter is not changing, I added some code to the subroutine (to write a log file) to check if the subroutine is called or not but no file is written after this test!

Any Help.

Thanks,
FEZAI

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