[MITgcm-support] [EXTERNAL] How to start from given initial conditions without restarting the simulation

[Shevchenko, Igor]

I thought there might be an option I missed.
I'll will stick to stop and restart then.

Thank you for the advice.

Best regards,
Igor

________________________________________
From: MITgcm-support <mitgcm-support-bounces at mitgcm.org> on behalf of Dimitris Menemenlis <dmenemenlis at gmail.com>
Sent: 02 April 2020 19:55
To: MITgcm Support
Subject: Re: [MITgcm-support] [EXTERNAL] How to start from given initial conditions without restarting the simulation

not that I know of.  You’d have to jerry-rig the code.  Easier and safer to stop and restart.

> On Apr 2, 2020, at 11:15 AM, Shevchenko, Igor <i.shevchenko at imperial.ac.uk> wrote:
>
> That's right, I can do it. In fact, this is what I do to start the model from given initial conditions.
> What I can't figure out, where there is a possability to specify, say 4 initial conditions, and pick them up at different moments in time (say t=0, 5, 10, 15 as in the example below) without stopping the simulation?
>
> &PARM05
> bathyFile       = 'bathy.bin',
> hydrogThetaFile = 'Theta.0',
> hydrogSaltFile  = 'Salt.0',
> uVelInitFile    = 'Uvel.0',
> vVelInitFile    = 'Vvel.0',
> pSurfInitFile   = 'Eta.0',
>
> bathyFile       = 'bathy.bin',
> hydrogThetaFile = 'Theta.5',
> hydrogSaltFile  = 'Salt.5',
> uVelInitFile    = 'Uvel.5,
> vVelInitFile    = 'Vvel.5',
> pSurfInitFile   = 'Eta.5',
>
> bathyFile       = 'bathy.bin',
> hydrogThetaFile = 'Theta.10',
> hydrogSaltFile  = 'Salt.10',
> uVelInitFile    = 'Uvel.10,
> vVelInitFile    = 'Vvel.10',
> pSurfInitFile   = 'Eta.10',
>
> bathyFile       = 'bathy.bin',
> hydrogThetaFile = 'Theta.15',
> hydrogSaltFile  = 'Salt.15',
> uVelInitFile    = 'Uvel.15,
> vVelInitFile    = 'Vvel.15',
> pSurfInitFile   = 'Eta.15',
>
>
> ________________________________________
> From: MITgcm-support <mitgcm-support-bounces at mitgcm.org> on behalf of Dimitris Menemenlis <dmenemenlis at gmail.com>
> Sent: 02 April 2020 19:03
> To: MITgcm Support
> Subject: Re: [MITgcm-support] [EXTERNAL] How to start from given initial conditions without restarting the simulation
>
> This email from dmenemenlis at gmail.com originates from outside Imperial. Do not click on links and attachments unless you recognise the sender. If you trust the sender, add them to your safe senders list<https://spam.ic.ac.uk/SpamConsole/Senders.aspx> to disable email stamping for this address.
>
>
>
> you can specify these fields in data PARM05 directly, e.g.,
>
> # Input datasets
> &PARM05
> bathyFile       = 'bathy.bin',
> hydrogThetaFile = 'Theta.0005184000',
> hydrogSaltFile  = 'Salt.0005184000',
> uVelInitFile    = 'Uvel.0005184000',
> vVelInitFile    = 'Vvel.0005184000',
> pSurfInitFile   = 'Eta.0005184000',
> /
>
> then MITgcm will initialize the other fields automatically
>
> On Apr 2, 2020, at 10:50 AM, Shevchenko, Igor <i.shevchenko at imperial.ac.uk<mailto:i.shevchenko at imperial.ac.uk>> wrote:
>
> Surely, I can do it, but the problem is that the new initial condition is just a set of fields for U, V, T, S, and Eta, while the pickup file requires much more than that.
>
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> MITgcm-support at mitgcm.org
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