{"id":373500,"date":"2024-07-24T22:26:02","date_gmt":"2024-07-24T22:26:02","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\/"},"modified":"2024-07-24T22:26:02","modified_gmt":"2024-07-24T22:26:02","slug":"ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\/","title":{"rendered":"LS DYNA Simulation where both impactor and target are ALE [HELP REQUEST]"},"content":{"rendered":"<p>Hi Forum,<\/p>\n<p>I am trying to run a simulation where I have an aluminum particle impacting an aluminum substrate. I want both as ALE since they experience high distortion in lagrangian as well as premature termination. I am not sure if my current implmentation is correct. When I run the simulation both my particle and substrate dissapear and I get this warning:<\/p>\n<p>*** Warning 40864 (SOL+864)<br \/>&nbsp; &nbsp; &nbsp;Segment based contact stiffness was reduced due to<br \/>&nbsp; &nbsp; &nbsp;an increasing solution time step. The new time step for<br \/>&nbsp; &nbsp; &nbsp;the stiffness calculation is 1.2952E-08<\/p>\n<p>And this error:<\/p>\n<p>&nbsp;*** Error 40509 (SOL+509)<br \/>&nbsp; &nbsp; &nbsp;negative volume in solid element # 193650 cycle 688<\/p>\n<p>&nbsp;*** Error 40509 (SOL+509)<br \/>&nbsp; &nbsp; &nbsp;negative volume in solid element # 193650 cycle 688<\/p>\n<p>Any help on implementing ALE into my model would be much appreciated. Thanks in advance. <strong>I have attached my model for your reference.<\/strong><\/p>\n<p><a style=\"font-size: 18.6667px\" href=\"https:\/\/drive.google.com\/file\/d\/1djv_DMWaJH25qZV2bUkk6zMPQr3sU-Q5\/view?usp=sharing\" target=\"_blank\" rel=\"noopener\">Keyword File<\/a><\/p>\n","protected":false},"template":"","class_list":["post-373500","topic","type-topic","status-closed","hentry","topic-tag-LS-DYNAruntime-1","topic-tag-ansys-ls-dyna-1","topic-tag-ls-dyna"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi Forum,I am trying to run a simulation where I have an aluminum particle impacting an aluminum substrate. I want both as ALE since they experience high distortion in lagrangian as well as premature termination. I am not sure if my current implmentation is correct. 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I am not sure if my current implmentation is correct. When I run the simulation both my particle and substrate\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-07-24T22:26:02+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-07-24T22:26:02+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"LS DYNA Simulation where both impactor and target are ALE [HELP REQUEST] | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi Forum,I am trying to run a simulation where I have an aluminum particle impacting an aluminum substrate. I want both as ALE since they experience high distortion in lagrangian as well as premature termination. 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When I run the simulation both my particle and substrate\" \/>\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\\\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\\\/#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\\\/ls-dyna\\\/#listItem\",\"name\":\"ls-dyna\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/ls-dyna\\\/#listItem\",\"position\":3,\"name\":\"ls-dyna\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/ls-dyna\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\\\/#listItem\",\"name\":\"LS DYNA Simulation where both impactor and target are ALE [HELP REQUEST]\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\\\/#listItem\",\"position\":4,\"name\":\"LS DYNA Simulation where both impactor and target are ALE [HELP REQUEST]\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/ls-dyna\\\/#listItem\",\"name\":\"ls-dyna\"}}]},{\"@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\\\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-simulation-where-both-impactor-and-target-are-ale-help-request\\\/\",\"name\":\"LS DYNA Simulation where both impactor and target are ALE [HELP REQUEST] | Ansys Learning Forum\",\"description\":\"Hi Forum,I am trying to run a simulation where I have an aluminum particle impacting an aluminum substrate. 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