{"id":161571,"date":"2023-01-25T07:16:20","date_gmt":"2023-01-25T07:16:20","guid":{"rendered":"\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/"},"modified":"2023-07-31T12:35:31","modified_gmt":"2023-07-31T12:35:31","slug":"i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/","title":{"rendered":"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it?"},"content":{"rendered":"<p>The error messages that you get might look like the following ones:  Corner nodes should already be created. Corner nodes should already be created. 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 2! 0: Error: node 0 already marked as 2! &#8230;  This is a bug in a non-conformal interface optimization code. You can turn this optimization off to prevent the crash by setting the following RP-variable (type the scheme command into the TUI and hit enter):  (rpsetvar &#8216;parallel\/si-cleanup-interval 1)<\/p>\n","protected":false},"template":"","class_list":["post-161571","topic","type-topic","status-publish","hentry","topic-tag-2019-r1","topic-tag-dynamic-mesh","topic-tag-errors","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-moving-deforming-mesh","topic-tag-other"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"The error messages that you get might look like the following ones: Corner nodes should already be created. 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The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"The error messages that you get might look like the following ones: Corner nodes should already be created. Corner nodes should already be created. 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 2! 0: Error: node 0 already marked as\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-25T07:16:20+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:35:31+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The error messages that you get might look like the following ones: Corner nodes should already be created. 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The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\\\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\\\/#listItem\",\"position\":4,\"name\":\"I have a dynamic mesh case with a sliding interface. 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The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\\\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it? | Ansys Knowledge\",\"description\":\"The error messages that you get might look like the following ones: Corner nodes should already be created. Corner nodes should already be created. 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 2! 0: Error: node 0 already marked as\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\\\/#breadcrumblist\"},\"datePublished\":\"2023-01-25T07:16:20+00:00\",\"dateModified\":\"2023-07-31T12:35:31+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":"I have a dynamic mesh case with a sliding interface. 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Corner nodes should already be created. 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 2! 0: Error: node 0 already marked as","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/#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\/fluent\/#listItem","name":"fluent"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","position":3,"name":"fluent","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/#listItem","name":"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/#listItem","position":4,"name":"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it?","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"}}]},{"@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\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/","name":"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it? | Ansys Knowledge","description":"The error messages that you get might look like the following ones: Corner nodes should already be created. 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The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it? | Ansys Knowledge","og:description":"The error messages that you get might look like the following ones: Corner nodes should already be created. Corner nodes should already be created. 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 2! 0: Error: node 0 already marked as","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/","article:published_time":"2023-01-25T07:16:20+00:00","article:modified_time":"2023-07-31T12:35:31+00:00","twitter:card":"summary_large_image","twitter:title":"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it? | Ansys Knowledge","twitter:description":"The error messages that you get might look like the following ones: Corner nodes should already be created. Corner nodes should already be created. 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 1! 0: Error: node 0 already marked as 2! 0: Error: node 0 already marked as"},"aioseo_meta_data":{"post_id":"161571","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 19:13:15","updated":"2026-07-29 05:33:22","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\/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\/fluent\/\" title=\"fluent\">fluent<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tI have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it?\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":"fluent","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/"},{"label":"I have a dynamic mesh case with a sliding interface. The case runs fine without errors or warnings when autosave is disabled (that is, when no .cas\/.dat-files are written during the run) independently of the number of processors used. When the case is run with autosave turned on in parallel, I get a number of error messages and then Fluent crashes with a segmentation fault. What is the reason for this error and how can I avoid it?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-have-a-dynamic-mesh-case-with-a-sliding-interface-the-case-runs-fine-without-errors-or-warnings-when-autosave-is-disabled-that-is-when-no-cas-dat-files-are-written-during-the-run-independently\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_bbp_last_active_time":["1-24-2023  20:20:27"],"_btv_view_count":["1002"],"siebel_km_number":["2058443"],"product_version":["2019 R1"],"km_published_date":["2019-03-08T17:14:55.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161571","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\/161571\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=161571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}