<div dir="ltr">Hi C.,<div><br></div><div>You can effectively turn off AMR via setting nrefs in flash.par to a large number (larger than the number of steps you expect your simulation to take).</div><div><br></div><div>Best,<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr">--------<div>Ryan</div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 26, 2020 at 1:10 PM María Fernanda Clever Uribe <<a href="mailto:clever_fisica@ciencias.unam.mx">clever_fisica@ciencias.unam.mx</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="auto">Hi everyone;</div><div dir="auto"><br></div><div dir="auto">I am trying to run a simulation with certain regions with a fixed AMR mesh configuration (a set of concentric rectangles around the origin) using the Flash version 4.3 I want to use rectangular zones in my domain (I am working with cartesian coordinates). The smallest rectangle maintains the maximum nlev_max, the subsequent rectangle with nlev_max - 1 mesh and so forth.<br></div><div dir="auto"><br></div><div dir="auto">I checked some emails and sections in the manual where the subroutine Grid_markRefineDerefine.f90 is applied to define zones where the highest refinement level is required. Using this subroutine am able to set the concentric rectangles for t=0, however for t>0 the initial mesh configuration is not conserved anymore and many zones in the domain change to a high refinement (basically Flash uses the AMR configuration which it would use by not using Grid_markRefineDerefine.f90).<br></div><div dir="auto"><br></div><div dir="auto">I want to know if it is possible to force the mesh to maintain the initial configuration for the next timesteps. </div><div dir="auto"><br></div><div dir="auto">Thanks in advance!</div><font color="#888888"><div><br></div><div><br></div><div>C.</div></font></div>
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