<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[大涡模拟LES有各项同性假设吗？]]></title><description><![CDATA[<p dir="auto">大涡模拟LES有各项同性假设吗？<br />
k-ε模型基于各项同性假设。LES有这个假设吗？</p>
]]></description><link>https://cfd-china.com/topic/2056/大涡模拟les有各项同性假设吗</link><generator>RSS for Node</generator><lastBuildDate>Sun, 19 Jul 2026 05:45:15 GMT</lastBuildDate><atom:link href="https://cfd-china.com/topic/2056.rss" rel="self" type="application/rss+xml"/><pubDate>Mon, 10 Dec 2018 07:03:49 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to 大涡模拟LES有各项同性假设吗？ on Fri, 21 Dec 2018 06:04:08 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="https://cfd-china.com/uid/24">@书生kao</a> 在 <a href="/post/11049">大涡模拟LES有各项同性假设吗？</a> 中说：</p>
<blockquote>
<p dir="auto">湍流大涡数值模拟的理论与应用</p>
</blockquote>
<p dir="auto">谢谢！</p>
]]></description><link>https://cfd-china.com/post/11104</link><guid isPermaLink="true">https://cfd-china.com/post/11104</guid><dc:creator><![CDATA[纵浪大化]]></dc:creator><pubDate>Fri, 21 Dec 2018 06:04:08 GMT</pubDate></item><item><title><![CDATA[Reply to 大涡模拟LES有各项同性假设吗？ on Tue, 18 Dec 2018 03:53:13 GMT]]></title><description><![CDATA[<p dir="auto">可以参考一下张兆顺的《湍流大涡数值模拟的理论与应用》这本书，讲得还是比较清楚的。<br />
先给你截个图，“高雷诺数湍流的局部各向同性是大涡模拟的主要理论依据，也是构造一切亚格子模型的基础。”<br />
<img src="/assets/uploads/files/1545105041427-11ed4684-9105-46f4-8549-38499a37251f-image-resized.png" alt="0_1545105043595_11ed4684-9105-46f4-8549-38499a37251f-image.png" class=" img-fluid img-markdown" /></p>
]]></description><link>https://cfd-china.com/post/11049</link><guid isPermaLink="true">https://cfd-china.com/post/11049</guid><dc:creator><![CDATA[书生kao]]></dc:creator><pubDate>Tue, 18 Dec 2018 03:53:13 GMT</pubDate></item><item><title><![CDATA[Reply to 大涡模拟LES有各项同性假设吗？ on Mon, 17 Dec 2018 13:44:06 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="https://cfd-china.com/uid/307">@一二</a> 很感谢您的回答，我还是有点不明白，是不是就是说大涡是各项异性求解的，小涡依然是基于各项同性求解的？</p>
]]></description><link>https://cfd-china.com/post/11038</link><guid isPermaLink="true">https://cfd-china.com/post/11038</guid><dc:creator><![CDATA[纵浪大化]]></dc:creator><pubDate>Mon, 17 Dec 2018 13:44:06 GMT</pubDate></item><item><title><![CDATA[Reply to 大涡模拟LES有各项同性假设吗？ on Thu, 13 Dec 2018 06:43:45 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="https://cfd-china.com/uid/1242">@纵浪大化</a>  按照kolmogorov的相似分析，在粘性底层应该是各向同性的，所以一般LES是基于这个假设做亚格子模型的</p>
]]></description><link>https://cfd-china.com/post/10968</link><guid isPermaLink="true">https://cfd-china.com/post/10968</guid><dc:creator><![CDATA[一二]]></dc:creator><pubDate>Thu, 13 Dec 2018 06:43:45 GMT</pubDate></item></channel></rss>