<div dir="ltr">Hello Adam,<div><br></div><div>Thanks for the flash publication list. I have got some examples to follow up on this. </div><div><br></div><div>Regards,</div><div>Akash Rodhiya</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Feb 1, 2024 at 5:23 AM Reyes, Adam <<a href="mailto:adam.reyes@rochester.edu">adam.reyes@rochester.edu</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>Hi Akash,<div><br></div><div>I believe if you setup that problem as described it will use an explicit constant viscosity. You can search the <a href="https://flash.rochester.edu/site/publications/flash_pubs.shtml" target="_blank">FLASH publications</a> for the work by Christoph Federrath if you want to read more about the work in driven turbulence that has been done with that unit. <br id="m_7083483143436860985lineBreakAtBeginningOfMessage"><div>
<div style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">*********************************************<br>Adam Reyes</div><br><span><img alt="FLASH.jpg" src="cid:ii_18d74a8448d61b414c31"></span><br style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Code Group Leader, Flash Center for </span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Computational Science</span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"> </span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"> </span><br style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Research Scientist, Dept. of Physics and </span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">Astronomy</span><br style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">University of Rochester</span><br style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">River Campus: Bausch and Lomb Hall, </span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">369</span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"> </span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"> </span><br style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transfor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<div><br><blockquote type="cite"><div>On Jan 30, 2024, at 5:13 PM, Akash Rodhiya <<a href="mailto:ar8303@nyu.edu" target="_blank">ar8303@nyu.edu</a>> wrote:</div><br><div><div dir="ltr">Hello everyone,<div><br></div><div>I am planning to use Flash for the Homogenoues Isotropic Turbulence. In the Hydrodynamic test problems under <i>The Supplied Test Problems, </i>I saw section 34.1.9: Driven Turbulence "StirTurb" in the Flash user guide. </div><div><br></div><div>I thought of using it, but I doubt whether it solves Navier-Stokes with diffusion term. Because in chapter 14: Hydrodynamics units, the guide mentions that "The Hydro unit solves Euler's equations for compressible gas dynamics...". </div><div><br></div><div>Has anyone used Flash for incompressible pure hydrodynamic problems? Can flash be used for the Homogenous Isotropic turbulence problem? Please let me know if I can provide additional information for the issue mentioned.</div><div><br></div><div>Thanks and regards,</div><div>Akash Rodhiya</div></div>
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