{"id":196165,"date":"2021-11-01T05:42:13","date_gmt":"2021-11-01T05:42:13","guid":{"rendered":"\/forum\/forums\/reply\/196165\/"},"modified":"2021-11-01T05:42:13","modified_gmt":"2021-11-01T05:42:13","slug":"196165","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196165\/","title":{"rendered":"Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it&#8217;s sphere or cylinder."},"content":{"rendered":"<p>I saw a few videos, on how to set reference values to calculate Lift and Drag coefficients. But I just came to the conclusion, First Ansys calculates the lift and drag force, and using reference values it calculates coefficient, isn&#8217;t it? Also, can you tell me the dimensions of the 2D external flow domain for the sphere? Is the domain shown in the image is correct (D is the diameter of a sphere)<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/107\/P89ASPRNP680.png\" width=\"990\" height=\"486\" \/><\/p>\n<p><\/p>\n","protected":false},"template":"","class_list":["post-196165","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=\"I saw a few videos, on how to set reference values to calculate Lift and Drag coefficients. But I just came to the conclusion, First Ansys calculates the lift and drag force, and using reference values it calculates coefficient, isn&#039;t it? Also, can you tell me the dimensions of the 2D external flow domain for\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196165\/\" \/>\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: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it\u2019s sphere or cylinder. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I saw a few videos, on how to set reference values to calculate Lift and Drag coefficients. 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