


{"id":392505,"date":"2024-11-03T23:00:26","date_gmt":"2024-11-03T23:00:26","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/"},"modified":"2024-11-03T23:00:26","modified_gmt":"2024-11-03T23:00:26","slug":"ansys-aqwa-simple-floating-sphere-errors","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/","title":{"rendered":"ANSYS AQWA &#8211; Simple Floating Sphere &#8211; Errors"},"content":{"rendered":"<p>&lt;p&gt;Hello,&lt;\/p&gt;&lt;p&gt;I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: &#8220;LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.&#8221; &#8220;LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE SMALLER LID_SIZE.&#8221; &#8220;READING DECK 2:EXTERNAL GROUP NUMBER 40 HAS NO VALID ELEMENTS.&#8221; &#8220;MATERIAL GROUP# 98000 FOR STRUCTURE # 1 DOES NOT EXIST.&#8221; &#8220;GEOMETRY GROUP# 98000 FOR STRUCTURE # 1 DOES NOT EXIST.&#8221;. I have tried lid element size of 0.001 m through 5 m&nbsp;and none of them seem to work. I have also attached an image of the errors and the project files <a href=\"https:\/\/mstate-my.sharepoint.com\/:f:\/g\/personal\/as4934_msstate_edu\/EqosAHeRopRNiwT1aoPSkUsBTcjiBMxjgxIOakogp5uJog?e=gXSJRm\">here<\/a>. Any help is very appreciated. Thank you!&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/03-11-2024-1730674554-aqwa_error.png\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-392505","topic","type-topic","status-publish","hentry","topic-tag-ansys-aqwa","topic-tag-aqwa-errors","topic-tag-hydrodynamic-diffraction"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: &quot;LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.&quot; &quot;LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/\" \/>\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=\"ANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: &quot;LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.&quot; &quot;LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-03T23:00:26+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-03T23:00:26+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"ANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: &quot;LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.&quot; &quot;LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE\" \/>\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\\\/topic\\\/ansys-aqwa-simple-floating-sphere-errors\\\/#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\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hydrodynamic-diffraction\\\/#listItem\",\"name\":\"hydrodynamic-diffraction\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hydrodynamic-diffraction\\\/#listItem\",\"position\":3,\"name\":\"hydrodynamic-diffraction\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hydrodynamic-diffraction\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ansys-aqwa-simple-floating-sphere-errors\\\/#listItem\",\"name\":\"ANSYS AQWA &#8211; Simple Floating Sphere &#8211; Errors\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ansys-aqwa-simple-floating-sphere-errors\\\/#listItem\",\"position\":4,\"name\":\"ANSYS AQWA &#8211; Simple Floating Sphere &#8211; Errors\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hydrodynamic-diffraction\\\/#listItem\",\"name\":\"hydrodynamic-diffraction\"}}]},{\"@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\\\/topic\\\/ansys-aqwa-simple-floating-sphere-errors\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ansys-aqwa-simple-floating-sphere-errors\\\/\",\"name\":\"ANSYS AQWA \\u2013 Simple Floating Sphere \\u2013 Errors | Ansys Learning Forum\",\"description\":\"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: \\\"LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.\\\" \\\"LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ansys-aqwa-simple-floating-sphere-errors\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-03T23:00:26+00:00\",\"dateModified\":\"2024-11-03T23:00:26+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"ANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors | Ansys Learning Forum","description":"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: \"LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.\" \"LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/#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\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/forum\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/hydrodynamic-diffraction\/#listItem","name":"hydrodynamic-diffraction"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/hydrodynamic-diffraction\/#listItem","position":3,"name":"hydrodynamic-diffraction","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/hydrodynamic-diffraction\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/#listItem","name":"ANSYS AQWA &#8211; Simple Floating Sphere &#8211; Errors"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/#listItem","position":4,"name":"ANSYS AQWA &#8211; Simple Floating Sphere &#8211; Errors","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/hydrodynamic-diffraction\/#listItem","name":"hydrodynamic-diffraction"}}]},{"@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\/topic\/ansys-aqwa-simple-floating-sphere-errors\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/","name":"ANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors | Ansys Learning Forum","description":"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: \"LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.\" \"LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/#breadcrumblist"},"datePublished":"2024-11-03T23:00:26+00:00","dateModified":"2024-11-03T23:00:26+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"ANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors | Ansys Learning Forum","og:description":"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: &quot;LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.&quot; &quot;LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/","article:published_time":"2024-11-03T23:00:26+00:00","article:modified_time":"2024-11-03T23:00:26+00:00","twitter:card":"summary_large_image","twitter:title":"ANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors | Ansys Learning Forum","twitter:description":"Hello,I am trying to simulate a sphere that is floating on the surface of the water. However, when I go to solve the simulation in the hydrodynamic diffraction module, I get the error: &quot;LIDGEN:MAXIMUM NUMBER OF ELEMENTS EXCEEDEDDURING INTERNAL LID GENERATION.&quot; &quot;LIDMES:FAILED TO CREATE INTERIOR LID FOR STRUCTURE#1 ; IT MAY BE NECESSARY TO USE"},"aioseo_meta_data":{"post_id":"392505","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-19 08:43:22","updated":"2025-10-19 08:43:22","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/hydrodynamic-diffraction\/\" title=\"hydrodynamic-diffraction\">hydrodynamic-diffraction<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tANSYS AQWA \u2013 Simple Floating Sphere \u2013 Errors\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"hydrodynamic-diffraction","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/hydrodynamic-diffraction\/"},{"label":"ANSYS AQWA &#8211; Simple Floating Sphere &#8211; Errors","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-aqwa-simple-floating-sphere-errors\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["343903","150512"],"_bbp_author_ip":["130.18.197.81"],"_btv_view_count":["447"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["392505"],"_bbp_forum_id":["27792"],"_bbp_engagement":["150512","343903"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["392695"],"_bbp_last_active_id":["392695"],"_bbp_last_active_time":["2024-11-05 05:08:41"]},"test":"as4934msstate-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/392505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/392505\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=392505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}