{"id":162093,"date":"2023-01-25T07:34:17","date_gmt":"2023-01-25T07:34:17","guid":{"rendered":"\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/"},"modified":"2023-07-31T12:36:23","modified_gmt":"2023-07-31T12:36:23","slug":"what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/","title":{"rendered":"What is the reason for this error message when mesher fails &#8211; \u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\u201d?"},"content":{"rendered":"<p>This is a generic crash message which means that the mesher is doing something unexpected and the software couldn&#8217;t identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this error message is produced.   When this error shows up on some machines but not others, it could be caused due to fire wall\/virus scan etc.  Suggestions: Try different meshing methods. For example &#8211; try patch independent method instead of patch conforming tetra or Multizone instead of Sweep. Try changing the mesh sizes for parts that failed to mesh. Remove mesh defeaturing (Details of &#8220;Mesh&#8221; >> Sizing >> Mesh Defeaturing >> No) and see if that helps. Use the worksheet to control the meshing sequence.<\/p>\n","protected":false},"template":"","class_list":["post-162093","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-general","topic-tag-meshing","topic-tag-modeling-and-meshing","topic-tag-structural-mechanics"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn&#039;t identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"What is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\u201d? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn&#039;t identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-25T07:34:17+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:36:23+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"What is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\u201d? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn&#039;t identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this\" \/>\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\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/#listItem\",\"name\":\"structural-mechanics\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/#listItem\",\"position\":3,\"name\":\"structural-mechanics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\\\/#listItem\",\"name\":\"What is the reason for this error message when mesher fails &#8211; \\u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\\u201d?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\\\/#listItem\",\"position\":4,\"name\":\"What is the reason for this error message when mesher fails &#8211; \\u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\\u201d?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/#listItem\",\"name\":\"structural-mechanics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\\\/\",\"name\":\"What is the reason for this error message when mesher fails \\u2013 \\u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\\u201d? | Ansys Knowledge\",\"description\":\"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn't identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\\\/#breadcrumblist\"},\"datePublished\":\"2023-01-25T07:34:17+00:00\",\"dateModified\":\"2023-07-31T12:36:23+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"What is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\u201d? | Ansys Knowledge","description":"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn't identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/knowledge","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/structural-mechanics\/#listItem","name":"structural-mechanics"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/structural-mechanics\/#listItem","position":3,"name":"structural-mechanics","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/structural-mechanics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/#listItem","name":"What is the reason for this error message when mesher fails &#8211; \u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\u201d?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/#listItem","position":4,"name":"What is the reason for this error message when mesher fails &#8211; \u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\u201d?","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/structural-mechanics\/#listItem","name":"structural-mechanics"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization","name":"Ansys Knowledge","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/knowledge\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/","name":"What is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\u201d? | Ansys Knowledge","description":"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn't identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/#breadcrumblist"},"datePublished":"2023-01-25T07:34:17+00:00","dateModified":"2023-07-31T12:36:23+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website","url":"https:\/\/innovationspace.ansys.com\/knowledge\/","name":"Ansys Knowledge","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Knowledge | Ansys Innovation Space","og:type":"article","og:title":"What is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\u201d? | Ansys Knowledge","og:description":"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn't identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/","article:published_time":"2023-01-25T07:34:17+00:00","article:modified_time":"2023-07-31T12:36:23+00:00","twitter:card":"summary_large_image","twitter:title":"What is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher. The process suffered an unhandled exception or ran out of usable memory.\u201d? | Ansys Knowledge","twitter:description":"This is a generic crash message which means that the mesher is doing something unexpected and the software couldn't identify what is causing the problem. Some times when it runs out of memory this message will be generated thus the part in the message about this, but that is not the case every time this"},"aioseo_meta_data":{"post_id":"162093","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":"2025-10-17 19:39:40","updated":"2026-07-29 06:57:09","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\/knowledge\" 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\/knowledge\/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\/knowledge\/forums\/topic-tag\/structural-mechanics\/\" title=\"structural-mechanics\">structural-mechanics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tWhat is the reason for this error message when mesher fails \u2013 \u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\u201d?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/knowledge"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/"},{"label":"structural-mechanics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/structural-mechanics\/"},{"label":"What is the reason for this error message when mesher fails &#8211; \u201cA software execution error occurred inside the mesher.  The process suffered an unhandled exception or ran out of usable memory.\u201d?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-reason-for-this-error-message-when-mesher-fails-a-software-execution-error-occurred-inside-the-mesher-the-process-suffered-an-unhandled-exception-or-ran-out-of-usable-memory\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_forum_id":["27789"],"_bbp_last_active_time":["1-24-2023  20:20:01"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["27785"],"siebel_km_number":["2052165"],"product_version":["18.2"],"km_published_date":["2017-11-08T01:28:18.000Z"],"family":["Structural Mechanics"],"application_name":["Meshing"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/162093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/162093\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=162093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}