{"id":381895,"date":"2024-09-09T07:41:40","date_gmt":"2024-09-09T07:41:40","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/about-the-recommended-range-for-the-courant-number\/"},"modified":"2024-09-09T07:41:40","modified_gmt":"2024-09-09T07:41:40","slug":"about-the-recommended-range-for-the-courant-number","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/about-the-recommended-range-for-the-courant-number\/","title":{"rendered":"About the recommended range for the Courant number"},"content":{"rendered":"<p>&lt;p class=&#8221;MsoNormal&#8221; style=&#8221;mso-pagination: widow-orphan;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span lang=&#8221;EN-US&#8221; style=&#8221;font-family: &#8216;Times New Roman&#8217;, serif; color: black; background: rgb(251, 251, 251);&#8221;&gt;Hello, &lt;br&gt;I used the Discrete Phase Model to simulate the trajectories of PM2.5 in indoor space, the volume injection is used to set 40,000 particles uniformly distributed in indoor space, and an air conditioner and an air purifier are used to dilute the particles inside the room.&lt;\/span&gt;&lt;span lang=&#8221;EN-US&#8221; style=&#8221;font-family: &#8216;Times New Roman&#8217;,serif;&#8221;&gt; I use the RANS equations and the RNG &lt;span class=&#8221;mord&#8221;&gt;k-&lt;span class=&#8221;katex-mathml&#8221;&gt;\u03f5&lt;\/span&gt; turbulence model, with an explicit time integration method. I would like to ask what is the recommended range for the Courant number when setting it?&lt;\/span&gt;&lt;\/span&gt;&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-381895","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, I used the Discrete Phase Model to simulate the trajectories of PM2.5 in indoor space, the volume injection is used to set 40,000 particles uniformly distributed in indoor space, and an air conditioner and an air purifier\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/about-the-recommended-range-for-the-courant-number\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" 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