{"id":381197,"date":"2024-08-30T13:48:37","date_gmt":"2024-08-30T13:48:37","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/handling-the-contact-issue-in-autodyn\/"},"modified":"2024-08-30T13:48:37","modified_gmt":"2024-08-30T13:48:37","slug":"handling-the-contact-issue-in-autodyn","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/handling-the-contact-issue-in-autodyn\/","title":{"rendered":"handling the contact issue in Autodyn"},"content":{"rendered":"<p>&lt;p&gt;&lt;span lang=&#8221;EN-US&#8221;&gt;If two closely contacted cylinders of different materials to be penerated from outerside are created with the lagrange solver here, the modeling can not operate correctly since the gap does not meet the requirement. Using the &#8220;<em>&lt;span style=&#8221;font-family: \u5b8b\u4f53; mso-bidi-font-family: \u5b8b\u4f53;&#8221;&gt;Convert&nbsp;IJK&nbsp;Parts&nbsp;to&nbsp;Unstructured&lt;\/span&gt;<\/em>&#8221;&nbsp; under the import command may solve the problem. I am wondering whether I should select all the three options available and what is the difference if not so. <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/30-08-2024-1725025583-1.png\" alt=\"\" \/>(the sketch of the contacted cylinders to be penetrated) <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/30-08-2024-1725025597-2.png\" alt=\"\" \/>(the three available options)&lt;\/span&gt;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;&lt;span lang=&#8221;EN-US&#8221;&gt;&nbsp;&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-381197","topic","type-topic","status-publish","hentry","topic-tag-ansys-autodyn-1","topic-tag-autodyn"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"If two closely contacted cylinders of different materials to be penerated from outerside are created with the lagrange solver here, the modeling can not operate correctly since the gap does not meet the requirement. Using the &quot;Convert IJK Parts to Unstructured&quot; under the import command may solve the problem. I am wondering whether I\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/handling-the-contact-issue-in-autodyn\/\" \/>\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=\"handling the contact issue in Autodyn | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"If two closely contacted cylinders of different materials to be penerated from outerside are created with the lagrange solver here, the modeling can not operate correctly since the gap does not meet the requirement. 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