[CIG-MC] Impose density structure to Citcoms

[Eh Tan]

I've tested periodic BC in Cartesian geometry before. It works indeed, 
but I didn't test vigorously.

Eh



On 12/14/2011 03:15 PM, Shijie Zhong wrote:
> CitcomCU's flow-through boundary conditions work, but I am not sure about the periodic BC either. At least, the periodic BC was not tested vigorously.
>
> Shijie
>
> Shijie Zhong, Professor
> Department of Physics
> University of Colorado at Boulder
> Boulder, CO 80309
> Tel: 303-735-5095; Fax: 303-492-7935
> Web: http://anquetil.colorado.edu/szhong
> ________________________________________
> From: cig-mc-bounces at geodynamics.org [cig-mc-bounces at geodynamics.org] On Behalf Of Thorsten Becker [thorstinski at gmail.com]
> Sent: Wednesday, December 14, 2011 10:26 AM
> To: cig-mc at geodynamics.org
> Subject: Re: [CIG-MC] Impose density structure to Citcoms
>
> I was under the impression that the period boundary conditions in CitcomCU may
> perhaps be broken, or not fully implemented (again), but I have never tried
> myself.
>
>
> On Wednesday, December 14, 2011 09:15:56 tannistha maiti wrote:
>> Dear Eh ,
>>
>> Could you please let me know how the plate velocities were given to the
>> plates in Cookbook5 problem . I am asking for the equations.
>>
>> Thanks,
>> Tannistha
>>
>> On Sat, Nov 26, 2011 at 12:26 AM, Eh Tan<tan2 at mail.utexas.edu>  wrote:
>>> Unfortunately, CitcomS doesn't have periodic boundary condition, but
>>> CitcomCU does. You can switch to CitcomCU if you really need periodic BC.
>>>
>>> Eh
>>>
>>>
>>>
>>> On 11/25/11 8:30 PM, tannistha maiti wrote:
>>>
>>> Dear Eh ,
>>>
>>>   Thanks for your reply . I was wondering if I want to impose a periodic
>>>
>>> boundary condition where do I need to look for in which part of the code.
>>>
>>>   Thanks,
>>>
>>> Tannistha
>>>
>>> On Tue, Nov 22, 2011 at 9:21 PM, Eh Tan<tan2 at mail.utexas.edu>  wrote:
>>>>   Dear Tannistha,
>>>>
>>>> You don't need to do anything. The default is to use reflective sidewall
>>>> BCs for the regional model.
>>>>
>>>> Eh
>>>>
>>>>
>>>> On 11/22/11 6:26 PM, tannistha maiti wrote:
>>>>
>>>> Dear Eh ,
>>>>
>>>>   I would like to impose reflective sidewall boundary condition to my
>>>>
>>>> model . Could you please let  me know what is the citcoms command or if
>>>> need to modify the code for that purpose.
>>>>
>>>>   Thanks,
>>>>
>>>> Tannistha
>>>>
>>>> On Wed, Oct 19, 2011 at 3:42 PM, Eh Tan<tan2 at mail.utexas.edu>  wrote:
>>>>> The density field is computed from temperature (E->T) and composition
>>>>> (E->composition.comp_node) fields. The composition field is, in turn,
>>>>> computed from the tracer distribution. You can change the input
>>>>> temperature from your input files (see Cookbook5 for example), and the
>>>>> composition field from other input files (tracer_ic_method=1 or 2).
>>>>>
>>>>> If you need something more complicated, you can take a look at the
>>>>> function get_buoyancy() in lib/Pan_problem_misc_functions.c. This
>>>>> function is called at the beginning of every time step, not just of
>>>>> the 0th step.
>>>>>
>>>>> Cheers,
>>>>> Eh
>>>>>
>>>>> On 10/19/2011 12:10 AM, tannistha maiti wrote:
>>>>>> Dear Eh ,
>>>>>>
>>>>>> Could you please direct me to the code where I can modify the density
>>>>>> structure to be used as a condition for my initial model .
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>> Tannistha
>>>>   --
>>>>
>>>> Eh Tan
>>>> -------
>>>> Postdoctoral Fellow
>>>> Institute for Geophysics
>>>> University of Texas, Austin
>>>> J.J. Pickle Research Campus, Bldg 196 (ROC)
>>>> 10100 Burnet Rd. (R2200),
>>>> Austin, TX 78758-4445(512) 475-9568
>>> --
>>> Eh Tan
>>> -------
>>> Postdoctoral Fellow
>>> Institute for Geophysics
>>> University of Texas, Austin
>>> J.J. Pickle Research Campus, Bldg 196 (ROC)
>>> 10100 Burnet Rd. (R2200),
>>> Austin, TX 78758-4445(512) 475-9568
> --
> Thorsten Becker  - University of Southern California
> http://geodynamics.usc.edu/~becker/
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