{"id":394417,"date":"2024-11-20T01:49:09","date_gmt":"2024-11-20T01:49:09","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394417\/"},"modified":"2024-11-20T01:49:09","modified_gmt":"2024-11-20T01:49:09","slug":"394417","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394417\/","title":{"rendered":"Reply To: Coupled field transient of brakedrum"},"content":{"rendered":"<p>&lt;p&gt;Hello Peter,&lt;br&gt;As per your suggestions, I applied the loadsteps with time integration turned off for first step.&nbsp;&lt;br&gt;After running the simulation, following are the results,&lt;br&gt;Total deformation-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731648913-mceclip0.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731648913-mceclip0.png\" \/><\/a>&lt;\/p&gt;&lt;p&gt;The disc appears to be expanding for total deformation and joint probe (relative rotation).&lt;\/p&gt;&lt;p&gt;Equivalent stress as shown below-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731648944-mceclip1.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731648944-mceclip1.png\" \/><\/a>&lt;\/p&gt;&lt;p&gt;Joint probe as shown below-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731649013-mceclip2.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731649013-mceclip2.png\" width=\"596\" height=\"465\" \/><\/a>&lt;\/p&gt;&lt;p&gt;This result is obtained for modified density after multiplying by a factor of 1000.&lt;\/p&gt;&lt;p&gt;I&#8217;ve also tried a coupled field transient for this disc brake. I have kept time integration off for the first load step.&lt;\/p&gt;&lt;p&gt;I have got a list of messages after the run as follows-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650927-mceclip7.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650927-mceclip7.png\" width=\"693\" height=\"80\" \/><\/a>&lt;\/p&gt;&lt;p&gt;I am getting an error as follows-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650188-mceclip3.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650188-mceclip3.png\" \/><\/a>&lt;\/p&gt;&lt;div id=&#8221;&rdquo;&rdquo;&rdquo;paraDiv&rdquo;&rdquo;&rdquo;&#8221;&gt;&lt;p class=&#8221;&rdquo;&rdquo;&rdquo;paragraphText&rdquo;&rdquo;&rdquo;&#8221;&gt;&nbsp;&lt;\/p&gt;&lt;p class=&#8221;&rdquo;&rdquo;&rdquo;paragraphText&rdquo;&rdquo;&rdquo;&#8221;&gt;The error is as follows as per solution output-&lt;\/p&gt;&lt;div id=&#8221;&rdquo;&rdquo;&rdquo;paraDiv&rdquo;&rdquo;&rdquo;&#8221;&gt;&lt;p class=&#8221;&rdquo;&rdquo;&rdquo;paragraphText&rdquo;&rdquo;&rdquo;&#8221;&gt;&nbsp;&lt;\/p&gt;&lt;p class=&#8221;&rdquo;&rdquo;&rdquo;paragraphText&rdquo;&rdquo;&rdquo;&#8221;&gt;&nbsp;&lt;\/p&gt;&lt;p id=&#8221;&rdquo;&rdquo;&rdquo;paragraphData&rdquo;&rdquo;&rdquo;&#8221; class=&#8221;&rdquo;&rdquo;&rdquo;paragraphText&rdquo;&rdquo;&rdquo;&#8221;&gt;*** ERROR ***&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CP =&nbsp;&nbsp;&nbsp; 2216.203&nbsp;&nbsp; TIME= 00:00:33&lt;br&gt;&nbsp;Solution not converged at time 1.E-04 (load step 1 substep 1).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;br&gt;&nbsp; Run terminated.&lt;\/p&gt;&lt;p class=&#8221;&rdquo;&rdquo;&rdquo;paragraphText&rdquo;&rdquo;&rdquo;&#8221;&gt;&nbsp;&lt;\/p&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;p&gt;&nbsp;Before the above error, a warning is seen as follows-&lt;\/p&gt;&lt;p&gt;Contact element 20199 (real ID 6) status changes abruptly from contact&nbsp; &lt;br&gt;&nbsp;(with target element 21278) -&gt; no-contact.&lt;\/p&gt;&lt;p&gt;The force convergence plot does not show the substeps converged,&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650587-mceclip4.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650587-mceclip4.png\" width=\"757\" height=\"425\" \/><\/a>&lt;\/p&gt;&lt;p&gt;Two physics region have been defined as follows-&lt;\/p&gt;&lt;p&gt;Structural-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650669-mceclip5.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650669-mceclip5.png\" width=\"316\" height=\"324\" \/><\/a>&lt;\/p&gt;&lt;p&gt;Structural- Thermal -&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650706-mceclip6.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731650706-mceclip6.png\" width=\"313\" height=\"320\" \/><\/a>&lt;\/p&gt;&lt;p&gt;The frictional contact details are as follows-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731651396-mceclip11.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731651396-mceclip11.png\" \/><\/a>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I have also applied command snippets as follows-&lt;\/p&gt;&lt;p&gt;Frictional contact-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731651231-mceclip9.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731651231-mceclip9.png\" \/><\/a>&lt;\/p&gt;&lt;p&gt;Transient analysis-&lt;\/p&gt;&lt;p&gt;<a href=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731651256-mceclip10.png\"><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/15-11-2024-1731651256-mceclip10.png\" \/><\/a>&lt;\/p&gt;&lt;p&gt;Any suggestions for resolving these issues?&lt;\/p&gt;&lt;p&gt;Another point, I would like to know how to get a temperature distribution in transient structural due to frictional braking?&lt;\/p&gt;&lt;p&gt;As you mentioned, after increasing the density I could observe the rotational velocity increasing in the first load step after turning off time integration. So thank you for that suggestion.&lt;\/p&gt;&lt;p&gt;Looking forward to your reply,&lt;\/p&gt;&lt;p&gt;Regards,&lt;\/p&gt;&lt;p&gt;Rohan.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-394417","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello Peter,As per your suggestions, I applied the loadsteps with time integration turned off for first step. After running the simulation, following are the results,Total deformation-The disc appears to be expanding for total deformation and joint probe (relative rotation).Equivalent stress as shown below-Joint probe as shown below-This result is obtained for modified density after multiplying by\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394417\/\" \/>\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=\"Reply To: Coupled field transient of brakedrum | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello Peter,As per your suggestions, I applied the loadsteps with time integration turned off for first step. After running the simulation, following are the results,Total deformation-The disc appears to be expanding for total deformation and joint probe (relative rotation).Equivalent stress as shown below-Joint probe as shown below-This result is obtained for modified density after multiplying by\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394417\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-20T01:49:09+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-20T01:49:09+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Coupled field transient of brakedrum | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello Peter,As per your suggestions, I applied the loadsteps with time integration turned off for first step. After running the simulation, following are the results,Total deformation-The disc appears to be expanding for total deformation and joint probe (relative rotation).Equivalent stress as shown below-Joint probe as shown below-This result is obtained for modified density after multiplying by\" \/>\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\\\/reply\\\/394417\\\/#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\\\/forums\\\/reply\\\/394417\\\/#listItem\",\"name\":\"Reply To: Coupled field transient of brakedrum\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/394417\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Coupled field transient of brakedrum\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@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\\\/reply\\\/394417\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/394417\\\/\",\"name\":\"Reply To: Coupled field transient of brakedrum | Ansys Learning Forum\",\"description\":\"Hello Peter,As per your suggestions, I applied the loadsteps with time integration turned off for first step. 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After running the simulation, following are the results,Total deformation-The disc appears to be expanding for total deformation and joint probe (relative rotation).Equivalent stress as shown below-Joint probe as shown below-This result is obtained for modified density after multiplying by","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/394417\/","article:published_time":"2024-11-20T01:49:09+00:00","article:modified_time":"2024-11-20T01:49:09+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Coupled field transient of brakedrum | Ansys Learning Forum","twitter:description":"Hello Peter,As per your suggestions, I applied the loadsteps with time integration turned off for first step. 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