{"id":388691,"date":"2024-10-09T03:40:34","date_gmt":"2024-10-09T03:40:34","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/problem-with-working-out-the-cese-ls-dyna-model\/"},"modified":"2024-10-09T03:40:34","modified_gmt":"2024-10-09T03:40:34","slug":"problem-with-working-out-the-cese-ls-dyna-model","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/problem-with-working-out-the-cese-ls-dyna-model\/","title":{"rendered":"Problem with working out the CESE LS-Dyna model"},"content":{"rendered":"<p>&lt;p&gt;I have a problem with working out the ICFD LS-Dyna model.When running the file, there is a problem with temperature not converging. How can this be resolved? How is the &#8220;cv&nbsp; &nbsp;cp&nbsp; &nbsp;c1&nbsp; &nbsp; c2&nbsp; &nbsp; pr &#8220;in the *CESE_EOS_IDEAL_GAS and *CESE_MAT_GAS keywords obtained, and how should the parameters of the mixed gas at different temperature and pressure be calculated?I would like to upload the complete document for you to see how to proceed?&lt;\/p&gt;&lt;p&gt;*CONTROL_TERMINATION&lt;br&gt;$# &nbsp;endtim &nbsp; &nbsp;endcyc &nbsp; &nbsp; dtmin &nbsp; &nbsp;endeng &nbsp; &nbsp;endmas &nbsp; &nbsp; nosol&lt;br&gt;&nbsp; &nbsp; &nbsp;0.001 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.01.000000E8 &nbsp; &nbsp; &nbsp; &nbsp; 0&lt;br&gt;*CONTROL_TIMESTEP&lt;br&gt;$# &nbsp;dtinit &nbsp; &nbsp;tssfac &nbsp; &nbsp; &nbsp;isdo &nbsp; &nbsp;tslimt &nbsp; &nbsp; dt2ms &nbsp; &nbsp; &nbsp;lctm &nbsp; &nbsp; erode &nbsp; &nbsp; ms1st&lt;br&gt;1.00000E-7 &nbsp; &nbsp; &nbsp; 0.6 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0&lt;br&gt;*DATABASE_BINARY_D3DUMP&lt;br&gt;$# &nbsp; &nbsp;cycl &nbsp; &nbsp; &nbsp;lcdt &nbsp; &nbsp; &nbsp;beam &nbsp; &nbsp; npltc &nbsp; &nbsp;psetid&lt;br&gt;&nbsp; 100000.0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0&lt;br&gt;*DATABASE_BINARY_D3PLOT&lt;br&gt;$# &nbsp; &nbsp; &nbsp;dt &nbsp; &nbsp; &nbsp;lcdt &nbsp; &nbsp; &nbsp;beam &nbsp; &nbsp; npltc &nbsp; &nbsp;psetid&lt;br&gt;1.00000E-6 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; &nbsp; 0&lt;br&gt;*CESE_CONTROL_LIMITER&lt;br&gt;$# &nbsp; idlmt &nbsp; &nbsp; &nbsp;alfa &nbsp; &nbsp; beta &nbsp; &nbsp; &nbsp; epsr&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0 &nbsp; &nbsp; &nbsp; 2.0 &nbsp; &nbsp; &nbsp; 1.0 &nbsp; &nbsp; &nbsp; 0.5&lt;br&gt;*CESE_CONTROL_SOLVER&lt;br&gt;$# &nbsp; icese &nbsp; &nbsp; iflow &nbsp; &nbsp; igeom &nbsp; &nbsp;iframe&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp;200 &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; 3 &nbsp; &nbsp; &nbsp; &nbsp; 0&lt;br&gt;*CESE_CONTROL_TIMESTEP&lt;br&gt;$# &nbsp; &nbsp;iddt &nbsp; &nbsp; &nbsp; cfl &nbsp; &nbsp; dtint&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp; &nbsp; &nbsp; 0.51.00000E-7&lt;br&gt;*CESE_INITIAL_CHEMISTRY&lt;br&gt;$# &nbsp;chemid &nbsp; &nbsp;compid&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5 &nbsp; &nbsp; &nbsp; &nbsp;11&lt;br&gt;$# &nbsp; &nbsp; uic &nbsp; &nbsp; &nbsp; vic &nbsp; &nbsp; &nbsp; wic &nbsp; &nbsp; rhoic &nbsp; &nbsp; &nbsp; pic &nbsp; &nbsp; &nbsp; tic &nbsp; &nbsp; &nbsp; hic&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp;0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp;16.708 &nbsp; 2000000 &nbsp; &nbsp; 300.0 &nbsp; &nbsp; &nbsp; 0.0&lt;br&gt;*CESE_INITIAL_CHEMISTRY_SET&lt;br&gt;$# &nbsp; setid &nbsp; &nbsp;chemid &nbsp; &nbsp;compid&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp;102 &nbsp; &nbsp; &nbsp; &nbsp; 5 &nbsp; &nbsp; &nbsp; &nbsp;11&lt;br&gt;$# &nbsp; &nbsp; uic &nbsp; &nbsp; &nbsp; vic &nbsp; &nbsp; &nbsp; wic &nbsp; &nbsp; rhoic &nbsp; &nbsp; &nbsp; pic &nbsp; &nbsp; &nbsp; tic &nbsp; &nbsp; &nbsp; hic&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp;0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 1.03.000000E7 &nbsp; &nbsp;3000.0 &nbsp; &nbsp; &nbsp; 0.0&lt;br&gt;*CESE_PART&lt;br&gt;$# &nbsp; &nbsp; pid &nbsp; &nbsp; &nbsp; mid &nbsp; &nbsp; eosid&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2 &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; 1&lt;br&gt;*CESE_BOUNDARY_NON_REFLECTIVE_SET&lt;br&gt;$# &nbsp; &nbsp;ssid&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1&lt;br&gt;*CESE_EOS_IDEAL_GAS&lt;br&gt;$# &nbsp; eosid &nbsp; &nbsp; &nbsp; &nbsp;cv &nbsp; &nbsp; &nbsp; &nbsp;cp&lt;br&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp; &nbsp; 997.0 &nbsp; &nbsp;1418.0&lt;br&gt;*CESE_MAT_GAS&lt;br&gt;$# &nbsp; &nbsp; mid &nbsp; &nbsp; &nbsp; &nbsp;c1 &nbsp; &nbsp; &nbsp; &nbsp;c2 &nbsp; 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How is the \"cv cp c1 c2 pr \"in the *CESE_EOS_IDEAL_GAS and *CESE_MAT_GAS keywords obtained, and how should the parameters of the mixed gas at different","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/problem-with-working-out-the-cese-ls-dyna-model\/#breadcrumblist"},"datePublished":"2024-10-09T03:40:34+00:00","dateModified":"2024-10-09T03:40:34+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":"Problem with working out the CESE LS-Dyna model | Ansys Learning Forum","og:description":"I have a problem with working out the ICFD LS-Dyna model.When running the file, there is a problem with temperature not converging. How can this be resolved? How is the &quot;cv cp c1 c2 pr &quot;in the *CESE_EOS_IDEAL_GAS and *CESE_MAT_GAS keywords obtained, and how should the parameters of the mixed gas at different","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/problem-with-working-out-the-cese-ls-dyna-model\/","article:published_time":"2024-10-09T03:40:34+00:00","article:modified_time":"2024-10-09T03:40:34+00:00","twitter:card":"summary_large_image","twitter:title":"Problem with working out the CESE LS-Dyna model | Ansys Learning Forum","twitter:description":"I have a problem with working out the ICFD LS-Dyna model.When running the file, there is a problem with temperature not converging. How can this be resolved? How is the &quot;cv cp c1 c2 pr &quot;in the *CESE_EOS_IDEAL_GAS and *CESE_MAT_GAS keywords obtained, and how should the parameters of the mixed gas at different"},"aioseo_meta_data":{"post_id":"388691","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 16:24:19","updated":"2026-09-17 06:05:50","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\tProblem with working out the CESE LS-Dyna model\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":"Problem with working out the CESE LS-Dyna model","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/problem-with-working-out-the-cese-ls-dyna-model\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["211.68.3.130"],"_btv_view_count":["601"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["470093","13694","433666"],"_bbp_topic_id":["388691"],"_bbp_forum_id":["27814"],"_bbp_engagement":["13694","433666","470093"],"_bbp_voice_count":["3"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["390102"],"_bbp_last_active_id":["390102"],"_bbp_last_active_time":["2024-10-16 17:54:21"]},"test":"dc33ffc129a3b5ae3aa3733656ba2b5128bc11f8"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/388691","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\/388691\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=388691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}