{"id":388182,"date":"2024-10-04T13:27:14","date_gmt":"2024-10-04T13:27:14","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/"},"modified":"2024-10-04T13:27:14","modified_gmt":"2024-10-04T13:27:14","slug":"388182","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/","title":{"rendered":"Reply To: Negative Hourglass energy"},"content":{"rendered":"<p>&lt;p class=&#8221;MsoNormal&#8221;&gt;Hello Fatemeh,&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Another option would be running the model with fully integrated elements please see ELFORM = 16 or -16 for shells and ELFORM = 2, -1, -2 for Solids.&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Please let me know how it goes.&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Thank you,&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Alex&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-388182","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=\"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/\" \/>\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: Negative Hourglass energy | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-10-04T13:27:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-10-04T13:27:14+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Negative Hourglass energy | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.\" \/>\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\\\/388182\\\/#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\\\/388182\\\/#listItem\",\"name\":\"Reply To: Negative Hourglass energy\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/388182\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Negative Hourglass energy\",\"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\\\/388182\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/388182\\\/\",\"name\":\"Reply To: Negative Hourglass energy | Ansys Learning Forum\",\"description\":\"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/388182\\\/#breadcrumblist\"},\"datePublished\":\"2024-10-04T13:27:14+00:00\",\"dateModified\":\"2024-10-04T13:27:14+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":"Reply To: Negative Hourglass energy | Ansys Learning Forum","description":"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/#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\/388182\/#listItem","name":"Reply To: Negative Hourglass energy"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/#listItem","position":2,"name":"Reply To: Negative Hourglass energy","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\/388182\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/","name":"Reply To: Negative Hourglass energy | Ansys Learning Forum","description":"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/#breadcrumblist"},"datePublished":"2024-10-04T13:27:14+00:00","dateModified":"2024-10-04T13:27:14+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":"Reply To: Negative Hourglass energy | Ansys Learning Forum","og:description":"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/","article:published_time":"2024-10-04T13:27:14+00:00","article:modified_time":"2024-10-04T13:27:14+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Negative Hourglass energy | Ansys Learning Forum","twitter:description":"Hello Fatemeh,Negative energy is indicative that the elements are undergoing severe deformation. The best would be visualizing hourglass energy in the model and inspecting the elements that are observing negative values, searching for instability. To include hourglass energy in d3plot please see SHGE in *DATABASE_EXTENT_BINARY for shells and HDYRO=4 in *DATABASE_EXTENT_BINARY for solids."},"aioseo_meta_data":{"post_id":"388182","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":"content","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":true,"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":"2024-10-28 16:24:49","updated":"2026-08-21 04:21:27","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\tReply To: Negative Hourglass energy\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Negative Hourglass energy","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/388182\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/388182","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\/388182\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=388182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}