<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">An interesting question (to me, at least :-)) is how the energy used in wind-tunnel testing compares with that used in CFD?<div class="">And, therefore, whether you could reasonably just impose a MJ limit and allow the teams to allocate it as they see fit.</div><div class="">(Or, maybe you could go wider and just limit the energy into the design centre. If that encouraged them to add solar panels, or a wind turbine, so much the better, though an on-site oil well or coal mine should clearly be outlawed!)</div><div class=""><br class=""></div><div class=""><div apple-content-edited="true" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">-- Jim<br class="">James Cownie <<a href="mailto:jcownie@gmail.com" class="">jcownie@gmail.com</a>><br class="">Mob: +44 780 637 7146<br class=""><a href="http://skiingjim.blogspot.com/" class="">http://skiingjim.blogspot.com/</a><br class=""><br class=""><br class=""><br class=""></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On 14 Oct 2015, at 22:02, Greg Lindahl <<a href="mailto:lindahl@pbm.com" class="">lindahl@pbm.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">On Wed, Oct 14, 2015 at 08:40:27AM +0100, John Hearns wrote:<br class=""><blockquote type="cite" class="">Interesting article on HPCwire<br class=""><br class=""><a href="http://www.hpcwire.com/2015/10/07/formula-one-debates-cfd-only-future/" class="">http://www.hpcwire.com/2015/10/07/formula-one-debates-cfd-only-future/</a><br class=""><br class="">i don;t see it myself - wind tunnels are an important part of the aero<br class="">engineers toolbox, and they don't run them for fun.<br class=""></blockquote><br class="">I totally expect it. Wind tunnels can validate the model for a single<br class="">car, but what everyone really wants to know (as of ~ 8 years ago) is<br class="">what happens with two cars, which is much closer to the real<br class="">environment in a F1 race.<br class=""><br class="">And doing two half-scale cars in a wind tunnel, that's going to be a<br class="">huge wind tunnel... not affordable for any F1 team's budget. For<br class="">boundary condition reasons, it's going to have to be more than 2X the<br class="">width of a one-car tunnel. Ouch.<br class=""><br class="">-- greg<br class=""><br class=""><br class="">_______________________________________________<br class="">Beowulf mailing list, <a href="mailto:Beowulf@beowulf.org" class="">Beowulf@beowulf.org</a> sponsored by Penguin Computing<br class="">To change your subscription (digest mode or unsubscribe) visit <a href="http://www.beowulf.org/mailman/listinfo/beowulf" class="">http://www.beowulf.org/mailman/listinfo/beowulf</a><br class=""></div></blockquote></div><br class=""></div></body></html>