{"id":359087,"date":"2024-03-26T15:09:03","date_gmt":"2024-03-26T15:09:03","guid":{"rendered":"\/forum\/forums\/reply\/359087\/"},"modified":"2024-03-26T15:09:03","modified_gmt":"2024-03-26T15:09:03","slug":"359087","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/","title":{"rendered":"Reply To: A small change on geometry lead huge change on hydrodynamic."},"content":{"rendered":"<p>&lt;p&gt;Aqwa Hydrodynamic Diffraction analsyis does not need any surfaces inside the hull, and all the external surfaces&#8217; normal directions should point outwards.&nbsp; Please aslo check the hydrostatic stiffness matrix, expecially the heave-heave value.&lt;\/p&gt;&lt;p&gt;It is noticed that the heave peak values of these two configurations are evidently different, it could be helpful to find out what is the natural frequency of heave by including more incident wave frequency points near 0.3 and 0.9 rad\/s.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-359087","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=\"Aqwa Hydrodynamic Diffraction analsyis does not need any surfaces inside the hull, and all the external surfaces&#039; normal directions should point outwards. Please aslo check the hydrostatic stiffness matrix, expecially the heave-heave value.It is noticed that the heave peak values of these two configurations are evidently different, it could be helpful to find out what\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/\" \/>\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: A small change on geometry lead huge change on hydrodynamic. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Aqwa Hydrodynamic Diffraction analsyis does not need any surfaces inside the hull, and all the external surfaces&#039; normal directions should point outwards. Please aslo check the hydrostatic stiffness matrix, expecially the heave-heave value.It is noticed that the heave peak values of these two configurations are evidently different, it could be helpful to find out what\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-03-26T15:09:03+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-03-26T15:09:03+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: A small change on geometry lead huge change on hydrodynamic. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Aqwa Hydrodynamic Diffraction analsyis does not need any surfaces inside the hull, and all the external surfaces&#039; normal directions should point outwards. Please aslo check the hydrostatic stiffness matrix, expecially the heave-heave value.It is noticed that the heave peak values of these two configurations are evidently different, it could be helpful to find out what\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/359087\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/359087\\\/#listItem\",\"name\":\"Reply To: A small change on geometry lead huge change on hydrodynamic.\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/359087\\\/#listItem\",\"position\":2,\"name\":\"Reply To: A small change on geometry lead huge change on hydrodynamic.\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/359087\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/359087\\\/\",\"name\":\"Reply To: A small change on geometry lead huge change on hydrodynamic. | Ansys Learning Forum\",\"description\":\"Aqwa Hydrodynamic Diffraction analsyis does not need any surfaces inside the hull, and all the external surfaces' normal directions should point outwards. 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Please aslo check the hydrostatic stiffness matrix, expecially the heave-heave value.It is noticed that the heave peak values of these two configurations are evidently different, it could be helpful to find out what","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/#listItem","name":"Reply To: A small change on geometry lead huge change on hydrodynamic."}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/#listItem","position":2,"name":"Reply To: A small change on geometry lead huge change on hydrodynamic.","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/359087\/","name":"Reply To: A small change on geometry lead huge change on hydrodynamic. | Ansys Learning Forum","description":"Aqwa Hydrodynamic Diffraction analsyis does not need any surfaces inside the hull, and all the external surfaces' normal directions should point outwards. 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