{"id":291646,"date":"2023-07-05T12:34:34","date_gmt":"2023-07-05T12:34:34","guid":{"rendered":"\/forum\/forums\/reply\/291646\/"},"modified":"2023-07-05T12:34:34","modified_gmt":"2023-07-05T12:34:34","slug":"291646","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/291646\/","title":{"rendered":"Reply To: Pressure Under Sea"},"content":{"rendered":"<p>&lt;p&gt;Hi Nick, In the BC I have pipe velocity input and tidal current velocity input on the left, outlet pressure on the right and outlet pressure at the top, floor on the bottom.&lt;\/p&gt;&lt;p&gt;I tried using operating pressure 2, 3, 4 bar leaving all gauge pressure at 0, then I tried leaving operating pressure at 0 and only using the gauge pressure for the pressure outputs for 2, 3, 4 bar, velocity contours all gave similar.&lt;\/p&gt;&lt;p&gt;Should I use gauge pressure for velocity inputs?&lt;\/p&gt;&lt;p&gt;I am looking for velocity contours for flow dispersion at different depths but there is almost no difference in the results I got.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-291646","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=\"Hi Nick, In the BC I have pipe velocity input and tidal current velocity input on the left, outlet pressure on the right and outlet pressure at the top, floor on the bottom.I tried using operating pressure 2, 3, 4 bar leaving all gauge pressure at 0, then I tried leaving operating pressure at 0\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/291646\/\" \/>\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 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