User: barry.wardell Date: 2016/06/05 05:04 PM

Added: /about/gallery/poisson/ index.php

Modified: /about/gallery/ index.php

Log: gallery: Move Poisson equation to a separate page

File Changes:

Directory: /about/gallery/ ==========================

File [modified]: index.php Delta lines: +1 -25 =================================================================== --- about/gallery/index.php 2016-06-05 22:04:53 UTC (rev 1527) +++ about/gallery/index.php 2016-06-05 22:04:58 UTC (rev 1528) @@ -23,6 +23,7 @@ <ul> <li><a href="tov">Single, stable neutron star</a></li> <li><a href="NsNsToHMNS">Binary, inspiraling neutron stars forming a hypermassive neutron star</a></li> +<li><a href="poisson">Poisson equation</a></li>

</ul> </p> @@ -31,32 +32,7 @@ <h4> Single, collapsing neutron star</h4> -->

-<h4>Poisson equation</h4> - - <p>This example shows how to solve the Poisson equation with a - generic source term using - the <a href="https://bitbucket.org/eloisa/ctthorns/src/master/CT_MultiLevel/?at=master">CT_MultiLevel</a> - elliptic - solver. <a href="poisson/doc/CT_MultiLevel/documentation.html">Documentation</a> - for CT_MultiLevel is available. To assess the performance of the - algorithm, we start by prescribing a solution phi0 (in this case, a - superposition of Gaussian functions), and construct the source term - by taking the Laplacian of phi0. The plots show the final solution - phi (color plot), the source term (white contour surfaces) and the - solution error phi-phi0 as a function of the iteration number.</p>

- <table> - <tr><th>Parameter file</th><td><a href="poisson/poisson.par">poisson.par</a></td></tr> - <tr><th>Thornlist</th><td><a href="poisson/poisson.th">poisson.th</a></td></tr> - <tr><th>approx. memory</th><td>32 GB</td></tr> - <tr><th>approx. runtime</th><td>9.6 core hours</td></tr> - </table> - - <h5>Solution</h5> - <p><img src="poisson/psi.png" alt="Solution psi" width="40%" align="top"></p> - <h5>Error</h5> - <p><img src="poisson/err.png" alt="Error" width="40%" align="top"></p> - <h3>Using external but public code</h3> <p> <ul>

Directory: /about/gallery/poisson/ ==================================

File [added]: index.php Delta lines: +29 -0 =================================================================== --- about/gallery/poisson/index.php (rev 0) +++ about/gallery/poisson/index.php 2016-06-05 22:04:58 UTC (rev 1528) @@ -0,0 +1,29 @@ +<?php $title="Gallery: Poisson equation"; +include_once($_SERVER['DOCUMENT_ROOT'].'/global/header.php');?> + + <p>This example shows how to solve the Poisson equation with a + generic source term using + the <a href="https://bitbucket.org/eloisa/ctthorns/src/master/CT_MultiLevel/?at=master">CT_MultiLevel</a> + elliptic + solver. <a href="doc/CT_MultiLevel/documentation.html">Documentation</a> + for CT_MultiLevel is available. To assess the performance of the + algorithm, we start by prescribing a solution phi0 (in this case, a + superposition of Gaussian functions), and construct the source term + by taking the Laplacian of phi0. The plots show the final solution + phi (color plot), the source term (white contour surfaces) and the + solution error phi-phi0 as a function of the iteration number.</p> + + <table> + <tr><th>Parameter file</th><td><a href="poisson.par">poisson.par</a></td></tr> + <tr><th>Thornlist</th><td><a href="poisson.th">poisson.th</a></td></tr> + <tr><th>approx. memory</th><td>32 GB</td></tr> + <tr><th>approx. runtime</th><td>9.6 core hours</td></tr> + </table> + + <h5>Solution</h5> + <p><img src="psi.png" alt="Solution psi" width="40%" align="top"></p> + <h5>Error</h5> + <p><img src="err.png" alt="Error" width="40%" align="top"></p> + + +<?php include_once($_SERVER['DOCUMENT_ROOT'].'/global/footer.php');?>