{"id":41681,"date":"2020-03-11T03:58:03","date_gmt":"2020-03-11T03:58:03","guid":{"rendered":"\/forum\/forums\/topic\/added-mass-virtual-mass\/"},"modified":"2020-03-11T03:58:03","modified_gmt":"2020-03-11T03:58:03","slug":"added-mass-virtual-mass","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/added-mass-virtual-mass\/","title":{"rendered":"added mass (virtual mass)"},"content":{"rendered":"<p>I have studied Ansys Fluent recently. Now I conduct simulation of ROV&#8217;s motion under water.&nbsp;<\/p>\n<p><\/p>\n<p>&#8220;<span style=\"color: #222222; font-family: Calibri, sans-serif; font-size: 14.6667px;\">When a body accelerates in a flow field, fluid surrounding the body also accelerates, and pressure forces on the body must increase to push the fluid out of the way. Energy is required to accelerate the fluid to a higher level of total kinetic energy, and this energy is felt on the accelerating body as an additional drag force. It is common to express this additional force in terms of added mass. &#8220;<\/span><\/p>\n<p><\/p>\n<p><span style=\"color: #222222; font-family: Calibri, sans-serif; font-size: 14.6667px;\">So, how to find added mass (virtual mass) in ansys fluent. Thank you&nbsp;<\/span><\/p>\n","protected":false},"template":"","class_list":["post-41681","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=\"I have studied Ansys Fluent recently. Now I conduct simulation of ROV&#039;s motion under water. &quot;When a body accelerates in a flow field, fluid surrounding the body also accelerates, and pressure forces on the body must increase to push the fluid out of the way. Energy is required to accelerate the fluid to a higher\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/added-mass-virtual-mass\/\" \/>\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=\"added mass (virtual mass) | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I have studied Ansys Fluent recently. Now I conduct simulation of ROV&#039;s motion under water. &quot;When a body accelerates in a flow field, fluid surrounding the body also accelerates, and pressure forces on the body must increase to push the fluid out of the way. 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