<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Tannistha,<div><br></div><div>The way I produced the plate velocities for cookbook 5 was to define a Euler pole (+ angular velocity) at a certain distance from the </div><div>model boundaries and then just compute the plate velocities on the top model mesh nodes.</div><div>Nowadays the bet way to do this is to use Gplates to generate the velocities you need.</div><div><br></div><div><a href="http://www.gplates.org/">http://www.gplates.org/</a></div><div><br></div><div>Just let me know if you need more information.</div><div><br></div><div>Regards,</div><div>Vlad</div><div><br></div><div><br><div><div>On Dec 15, 2011, at 4:58 PM, Eh Tan wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div text="#000000" bgcolor="#FFFFFF">
Dear Tannistha,<br>
<br>
I don't have the equation for the plate velocity in Cookbook5
either. That cookbook was created by Vlad Manea (cc'd). Maybe Vlad
can recall the parameter he used.<br>
<br>
<br>
Eh<br>
<br>
<br>
On 12/14/2011 11:15 AM, tannistha maiti wrote:
<blockquote cite="mid:CANvgUJopbD3S3HDRMbcicGWW+oz_BMbxatDd1ppqebcv6fKFpg@mail.gmail.com" type="cite">Dear Eh ,
<div><br>
</div>
<div>Could you please let me know how the plate velocities were
given to the plates in Cookbook5 problem . I am asking for the
equations. </div>
<div><br>
</div>
<div>Thanks, </div>
<div>Tannistha <br>
<br>
<div class="gmail_quote">On Sat, Nov 26, 2011 at 12:26 AM, Eh
Tan <span dir="ltr"><<a moz-do-not-send="true" href="mailto:tan2@mail.utexas.edu">tan2@mail.utexas.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> <br>
Unfortunately, CitcomS doesn't have periodic boundary
condition, but CitcomCU does. You can switch to CitcomCU
if you really need periodic BC.<span class="HOEnZb"><font color="#888888"><br>
<br>
Eh</font></span>
<div>
<div class="h5"><br>
<br>
<br>
On 11/25/11 8:30 PM, tannistha maiti wrote:
<blockquote type="cite">Dear Eh ,
<div><br>
</div>
<div>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. </div>
<div><br>
</div>
<div>Thanks, </div>
<div>Tannistha <br>
<br>
<div class="gmail_quote">On Tue, Nov 22, 2011 at
9:21 PM, Eh Tan <span dir="ltr"><<a moz-do-not-send="true" href="mailto:tan2@mail.utexas.edu" target="_blank">tan2@mail.utexas.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Dear
Tannistha,<br>
<br>
You don't need to do anything. The default
is to use reflective sidewall BCs for the
regional model.<br>
<br>
Eh
<div><br>
<br>
On 11/22/11 6:26 PM, tannistha maiti
wrote:
<blockquote type="cite">Dear Eh ,
<div><br>
</div>
<div>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. </div>
<div> <br>
</div>
<div>Thanks, </div>
<div>Tannistha<br>
<br>
<div class="gmail_quote">On Wed, Oct
19, 2011 at 3:42 PM, Eh Tan <span dir="ltr"><<a moz-do-not-send="true" href="mailto:tan2@mail.utexas.edu" target="_blank">tan2@mail.utexas.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc
solid;padding-left:1ex"> <br>
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).<br>
<br>
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.<br>
<br>
Cheers,<br>
Eh
<div>
<div><br>
<br>
<br>
On 10/19/2011 12:10 AM,
tannistha maiti wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc
solid;padding-left:1ex">
Dear Eh ,<br>
<br>
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 .<br>
<br>
<br>
Thanks,<br>
Tannistha<br>
</blockquote>
</div>
</div>
</blockquote>
</div>
<br>
</div>
</blockquote>
<br>
</div>
<span><font color="#888888">
<pre cols="72">--
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
<a moz-do-not-send="true" href="tel:%28512%29%20475-9568" value="+15124759568" target="_blank">(512) 475-9568</a>
</pre>
</font></span></div>
</blockquote>
</div>
<br>
</div>
</blockquote>
<br>
<pre cols="72">--
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
<a moz-do-not-send="true" href="tel:%28512%29%20475-9568" value="+15124759568" target="_blank">(512) 475-9568</a>
</pre>
</div>
</div>
</div>
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