[MITgcm-support] MITgcm-support Digest, Vol 139, Issue 15

Marco Reale reale.marco82 at gmail.com
Thu Jan 15 12:17:57 EST 2015


hi martin and thank for your prompt reply,

yes my bathymetry H in some points (only in a few) equals the sum of my
delR.

may this affect the numerical outputs if I ask the model the velocity
fields in my last level?

cheers

marco


Il giovedì 15 gennaio 2015, <mitgcm-support-request at mitgcm.org> ha scritto:

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>    1. Re: how to do the adjoint using MITgcm (=?utf-8?B?TWlrZQ==?=)
>    2. Lev spacing and bottom depth (marco reale)
>    3. Re: how to do the adjoint using MITgcm (Patrick Heimbach)
>    4. Re: Lev spacing and bottom depth (Martin Losch)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 15 Jan 2015 21:30:12 +0800
> From: "=?utf-8?B?TWlrZQ==?=" <717613378 at qq.com <javascript:;>>
> To: "=?utf-8?B?bWl0Z2NtLXN1cHBvcnQ=?=" <mitgcm-support at mitgcm.org
> <javascript:;>>
> Subject: Re: [MITgcm-support] how to do the adjoint using MITgcm
> Message-ID: <tencent_2CA93E597F257CA45FB78739 at qq.com <javascript:;>>
> Content-Type: text/plain; charset="utf-8"
>
> Hello,Patrick Heimbach?
> Thanks for your replay. Now I am trying to install the OpenAD. At the same
> time, I am reading the manual of MITgcm to find some examples in which the
> adjoint model of MITgcm is built using the OpenAD. However, I can not find
> a simple and appropriate ?example in the directory of 'verification?'.
> Maybe I am too clumsy.
> I am interested in? the adjoint model of MITgcm and just a beginner. Could
> you give me a sample example that could be compiled and run using OpenAD
> and a file including the summary of steps.????
> Thank you so much
>
>
> best wishes ??
>
>
> Mike
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> Message: 2
> Date: Thu, 15 Jan 2015 16:50:39 +0100
> From: marco reale <reale.marco82 at gmail.com <javascript:;>>
> To: mitgcm-support at mitgcm.org <javascript:;>
> Subject: [MITgcm-support] Lev spacing and bottom depth
> Message-ID: <E2538793-605D-4C1F-8184-3809CAC7FAF4 at gmail.com <javascript:;>
> >
> Content-Type: text/plain; charset=utf-8
>
> Dear MITGCM users
>
> I?m running some simulations in a complex domain: I?m asking myself what
> happens to numerical output if my last level coincides with the deepest
> point of my bathymetry? I have no slip_bottom=.false. on the bottom ,
> hfacmin=0.2 and bottom drag quadratic
>
> cheers
>
> Marco
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 15 Jan 2015 16:20:12 +0000
> From: Patrick Heimbach <heimbach at mit.edu <javascript:;>>
> To: "mitgcm-support at mitgcm.org <javascript:;>" <mitgcm-support at mitgcm.org
> <javascript:;>>
> Subject: Re: [MITgcm-support] how to do the adjoint using MITgcm
> Message-ID: <CACF19EA-715C-4648-A45E-F3B0E3D2B9F6 at mit.edu <javascript:;>>
> Content-Type: text/plain; charset="utf-8"
>
> Sorry, Mike, I don?t understand your question.
> In your initial email you referred to the example
> tutorial_global_ocean_optim
> which *is* a sub-directory of the verification/ directory.
> So you must have found it in the past.
>
> In my previous email, I provided an example that works with the tutorial
> you referred to,
> and it works with the open-source tool OpenAD.
> Instead of using testreport, you can do the build ?by hand? as follows:
> cd verification/tutorial_global_ocean_optim/build/
> ../../../tools/genmake -oad -mods -mods ../code_oad/
> make adAll
>
> More documentation on the specific tutorial is in section 3.18 of the
> online manual, see
> http://mitgcm.org/public/r2_manual/latest/online_documents/node160.html
> (unfortunately that description so far only described the build process
> using TAF; using OpenAD you should follow my previous instructions).
>
> More on getting started with the model (e.g., directory structure and
> such) is in
> http://mitgcm.org/public/r2_manual/latest/online_documents/node88.html
>
> p.
>
>
>
> On Jan 15, 2015, at 8:30 AM, Mike <717613378 at qq.com <javascript:;>> wrote:
>
> > Hello,Patrick Heimbach
> > Thanks for your replay. Now I am trying to install the OpenAD. At the
> same time, I am reading the manual of MITgcm to find some examples in which
> the adjoint model of MITgcm is built using the OpenAD. However, I can not
> find a simple and appropriate example in the directory of 'verification'.
> Maybe I am too clumsy.
> > I am interested in the adjoint model of MITgcm and just a beginner.
> Could you give me a sample example that could be compiled and run using
> OpenAD and a file including the summary of steps.
> > Thank you so much
> >
> > best wishes ?
> >
> > Mike
> > _______________________________________________
> > MITgcm-support mailing list
> > MITgcm-support at mitgcm.org <javascript:;>
> > http://mitgcm.org/mailman/listinfo/mitgcm-support
>
>
> ---
> Patrick Heimbach | heimbach at mit.edu <javascript:;> |
> http://www.mit.edu/~heimbach
> MIT | EAPS 54-1420 | 77 Massachusetts Ave | Cambridge MA 02139 USA
> FON +1-617-253-5259 | FAX +1-617-253-4464 | SKYPE patrick.heimbach
>
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> ------------------------------
>
> Message: 4
> Date: Thu, 15 Jan 2015 17:25:06 +0100
> From: Martin Losch <Martin.Losch at awi.de <javascript:;>>
> To: MITgcm Support <mitgcm-support at mitgcm.org <javascript:;>>
> Subject: Re: [MITgcm-support] Lev spacing and bottom depth
> Message-ID: <16874F5E-E259-402F-A314-BA86E6B7A9C2 at awi.de <javascript:;>>
> Content-Type: text/plain; charset="windows-1252"
>
> Hi Marco,
>
> not sure if this is what you mean: your bathymetry H in some points equals
> the sum of your delR?
>
> The model assumes ?solid ground? below the domain, so that a
> topography/bathymetry can co-incides with the bottom of the domain. If you
> don?t specify any bathymetry, then the model assumes that the bottom of the
> domain is the (solid) sea floor. The boundary condtions are the same for
> this case, but their implementation is different from boundaries inside the
> domain because we now have to deal with a value at Nr+1 which does not
> exist in the arrays.
>
> Martin
> On Jan 15, 2015, at 4:50 PM, marco reale <reale.marco82 at gmail.com
> <javascript:;>> wrote:
>
> > Dear MITGCM users
> >
> > I?m running some simulations in a complex domain: I?m asking myself what
> happens to numerical output if my last level coincides with the deepest
> point of my bathymetry? I have no slip_bottom=.false. on the bottom ,
> hfacmin=0.2 and bottom drag quadratic
> >
> > cheers
> >
> > Marco
> >
> >
> >
> > _______________________________________________
> > MITgcm-support mailing list
> > MITgcm-support at mitgcm.org <javascript:;>
> > http://mitgcm.org/mailman/listinfo/mitgcm-support
>
>
>
>
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> End of MITgcm-support Digest, Vol 139, Issue 15
> ***********************************************
>


-- 
Reale Marco
University of Salento
Italian Geophysical Association
Italian Meteorological Society
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