{"id":395934,"date":"2024-12-02T11:39:45","date_gmt":"2024-12-02T11:39:45","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395934\/"},"modified":"2024-12-02T11:39:45","modified_gmt":"2024-12-02T11:39:45","slug":"395934","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395934\/","title":{"rendered":"Reply To: AQWA &#8211; Reference point for hydrodynamics in presence of fluid tanks"},"content":{"rendered":"<p>&lt;p&gt;When there are internal tanks defined with a structure, the motions and total added mass\/damping\/hydrostatic stiffness matrices and generalised forces are with respect to the rigid body motions at the combined center of COG, which is defined by Equation (3.25) in <a href=\"https:\/\/ansyshelp.ansys.com\/public\/account\/secured?returnurl=\/Views\/Secured\/corp\/v242\/en\/aqwa_thy\/aqwathy_internal_tank_axes_cog.html?q=combined%20cog\">3.4.1. Local Internal Tank Axes and Combined COG<\/a>.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395934","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/395934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/395934\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}