{"id":374465,"date":"2024-07-31T11:40:07","date_gmt":"2024-07-31T11:40:07","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/374465\/"},"modified":"2024-07-31T11:40:07","modified_gmt":"2024-07-31T11:40:07","slug":"374465","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/374465\/","title":{"rendered":"Reply To: Volume Fraction too Low. How to Improve?"},"content":{"rendered":"<p>&lt;p&gt;&#8221;how many steps do you need to get flow from the inlet to the outlet?&#8221;&lt;br&gt;actually, I never considered this before. i just calculated these and with velocity 0.0083m\/s and domain length (in to out) is 200mm so &lt;br&gt;1- 24.1s required to travel from inlet to outlet.&nbsp;&lt;\/p&gt;&lt;p&gt;2- step size should be = 24.1s&nbsp; \/ 1e-5 * 20(iteration\/timestep) = 120500 steps.&nbsp;&lt;br&gt;&lt;br&gt;does this mean, a flow should move from inlet to outlet in 120,000*20 = 2410000 iterations?&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-374465","reply","type-reply","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=\"&quot;how many steps do you need to get flow from the inlet to the outlet?&quot;actually, I never considered this before. i just calculated these and with velocity 0.0083m\/s and domain length (in to out) is 200mm so 1- 24.1s required to travel from inlet to outlet. 2- step size should be = 24.1s \/ 1e-5 *\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/374465\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Volume Fraction too Low. 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