


{"id":462602,"date":"2026-08-13T14:56:05","date_gmt":"2026-08-13T14:56:05","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-auto-stop-the-calculations-without-udfs\/"},"modified":"2026-08-13T14:56:05","modified_gmt":"2026-08-13T14:56:05","slug":"how-to-auto-stop-the-calculations-without-udfs","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-auto-stop-the-calculations-without-udfs\/","title":{"rendered":"How to auto-stop the calculations without UDFs"},"content":{"rendered":"<p>Hello everybody!<\/p>\n<p>&nbsp;Recently i&#8217;ve research on how to auto stop a simulation when a specific value is reached and didn&#8217;t find any easy way to do that. Some UDFs options were presented but seem too complicated.<\/p>\n<p>&nbsp;I found a work around using named expressions, Report definitions and Convergence conditions that goes:<\/p>\n<p>1&deg; Set a Report definition of the region you want to monitor (in my case is the copper surface temperature)<\/p>\n<p>&nbsp;<\/p>\n<p>2&deg; Set a Named expression to output a constant value when the target value is reached and the original value if not. This is the work around to use in the 4&deg; step convergence condition.<\/p>\n<p>&#8211;&nbsp; &nbsp; &nbsp;Expression used: IF((1355[K]-{copper-surface})&gt;0[K],{copper-surface},1355[K])<\/p>\n<p><span style=\"font-size: 18.4px\">(The constant value of 1355 I used was the desired value to don&#8217;t mess with the graph)<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>3&deg; Set a Expression Report Definition using &#8216;<em>new -&gt; expression&#8217;<\/em> with the named Named Expression set in 2&deg; step<\/p>\n<p>4&deg; Set a Convergence Condition using the Named Expression of step 3&deg; in&nbsp;<em>Report Definition<\/em>&nbsp;and a <em>stop criteria<\/em> of 0,001 or less<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 18.4px\">That&#8217;s it! Hope to be useful for someone else! \ud83d\ude00<\/span><br \/>I couldn&#8217;t upload prints to help the visualization :\/<br \/>Any doubts I will be glad to answer!<\/p>\n","protected":false},"template":"","class_list":["post-462602","topic","type-topic","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 everybody! Recently i&#039;ve research on how to auto stop a simulation when a specific value is reached and didn&#039;t find any easy way to do that. Some UDFs options were presented but seem too complicated. 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Recently i've research on how to auto stop a simulation when a specific value is reached and didn't find any easy way to do that. Some UDFs options were presented but seem too complicated. 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Recently i've research on how to auto stop a simulation when a specific value is reached and didn't find any easy way to do that. Some UDFs options were presented but seem too complicated. I found a work around using named expressions, Report definitions and Convergence conditions that goes: 1\u00b0 Set a Report","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-auto-stop-the-calculations-without-udfs\/","article:published_time":"2026-08-13T14:56:05+00:00","article:modified_time":"2026-08-13T14:56:05+00:00","twitter:card":"summary_large_image","twitter:title":"How to auto-stop the calculations without UDFs | Ansys Learning Forum","twitter:description":"Hello everybody! Recently i've research on how to auto stop a simulation when a specific value is reached and didn't find any easy way to do that. Some UDFs options were presented but seem too complicated. 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