{"id":348492,"date":"2024-02-02T07:39:33","date_gmt":"2024-02-02T07:39:33","guid":{"rendered":"\/forum\/forums\/topic\/how-is-the-characteristic-length-of-open-channel-flow-calculated\/"},"modified":"2024-02-02T07:39:33","modified_gmt":"2024-02-02T07:39:33","slug":"how-is-the-characteristic-length-of-open-channel-flow-calculated","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-is-the-characteristic-length-of-open-channel-flow-calculated\/","title":{"rendered":"How is the characteristic length of open channel flow calculated?"},"content":{"rendered":"<p>Y+ needs to be calculated when drawing the grid, so the value of the feature length needs to be known. I want to know whether the feature length of open channel flow is calculated by hydraulic radius or hydraulic diameter? Can you give specific formulas for reference?<\/p>\n","protected":false},"template":"","class_list":["post-348492","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Y+ needs to be calculated when drawing the grid, so the value of the feature length needs to be known. I want to know whether the feature length of open channel flow is calculated by hydraulic radius or hydraulic diameter? 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