<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span><br></span></div><div>Hey Eh,</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;">Thanks for spending time on this. I was able to successfully load the tracers into the system by turning chemical buoyancy off , and correcting my coordinate file. I don't need active tracers so this solution will work for me. </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;">-Scott Tarlow<br></div> <div style="font-family: times new roman,
new york, times, serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font face="Arial" size="2"> <b><span style="font-weight:bold;">From:</span></b> tan2 <tan2tan2@gmail.com><br> <b><span style="font-weight: bold;">To:</span></b> scott tarlow <scott_tarlow@yahoo.com>; cig-mc@geodynamics.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, April 29, 2013 8:02 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [CIG-MC] Segmentation fault error when adding tracers<br> </font> </div> <div class="y_msg_container"><br>
<div id="yiv898846093">Hi Scott,<br><br>The 2nd dimension in your coor.dat is wrong. <br><br>nsd= 2<br>1 3.2376<br>2 3.2368<br>3 3.2359<br> .<br> .<br>64 3.1860<br>65 3.1852<br><br>The coordinate must be an increasing function. <br>
<br>Besides this problem, there is another possible obstacle in your setup. Enabling low viscosity channel will create some passive (weightless) tracers. Enabling chemistry will create active tracers. The code cannot handle both types (passive and active) of tracers correctly when both are present. <br>
<br><br>Eh<br><br><br><div class="yiv898846093gmail_quote">On Thu, Apr 25, 2013 at 8:46 AM, scott tarlow <span dir="ltr"><<a rel="nofollow" ymailto="mailto:scott_tarlow@yahoo.com" target="_blank" href="mailto:scott_tarlow@yahoo.com">scott_tarlow@yahoo.com</a>></span> wrote:<br>
<blockquote class="yiv898846093gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div style="font-size:12pt;font-family:times new roman, new york, times, serif;"><div>Actually, I am still having a bit of trouble adding the tracers<span> into the mesh, as the tracer setup does not seem to be able to find the tracers in my file. I will attach my coordinate and my tracer file. It seems to me that the tracers should easily fall within the mesh generated by the coordinate file. <br>
</span></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;"><br><span></span></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;">
<span>The other oddity is that when I set tracer_ic_method=0, I also get an error. Is this because Random tracer generation only works for global meshes as opposed to regional
meshes ? I ask this because I was able to successfully run ( as suggested) Cookbook7. I'll attach the two output files, (random) using </span><span>tracer_ic_method=0 and (input) using </span><span>tracer_ic_method=1.</span></div>
<div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;"><br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;">
As a corollary, I am trying to use the tracers in conjunction with the low viscosity channel in an attempt to get a similar result as one would get if they were to implement "weak nodes". Is that the correct interpretation of the low viscosity channel/wedge function in CitcomS ? Perhaps imposing them through changing viscosity_structures.c would be better?</div>
<div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;"><br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;">
thank you for your time,</div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;"><br></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:times new roman, new york, times, serif;">
Scott<br><span></span></div></div></div></div><br>_______________________________________________<br>
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