{"id":196151,"date":"2021-11-14T18:54:27","date_gmt":"2021-11-14T18:54:27","guid":{"rendered":"\/forum\/forums\/reply\/196151\/"},"modified":"2021-11-14T18:59:25","modified_gmt":"2021-11-14T18:59:25","slug":"196151","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196151\/","title":{"rendered":"Reply To: Temperature spike (temperature higher than set values)"},"content":{"rendered":"<p>Hey<br \/>\nI don&#8217;t know what you are doing in Step 2, I thought you would only need Step 1 to set the body temperatures and leave Time Integration Off in Step 1. <br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/305\/N3XJELUBG2NI.png\" width=\"281\" height=\"185\" \/>Then in Step 2, turn on Time Integration.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/122\/D5TUJHDYLJ6Z.png\" width=\"280\" height=\"221\" \/>As you have already done, you Deactivate the two Temperature Loads (one shown below) in Step 2.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/589\/1498SVNZ7I2O.png\" width=\"215\" height=\"101\" \/>I created a simple two block model to test out these settings.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/994\/OPA0I33UFHXB.png\" width=\"650\" height=\"263\" \/>The 30 degree body got a small overshoot at the beginning of Step 2, 30.278 degrees, but less than 1% Green line is the maximum temperature in the body, red line is the minimum temperature in the body.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/901\/BEI1RMG0HU3O.png\" width=\"378\" height=\"392\" \/>The 20 degree body also had a small undershoot at the beginning of the simulation as it dipped to 19.722 degrees.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/992\/6PDAXGYGEBBV.png\" width=\"378\" height=\"392\" \/><\/p>\n","protected":false},"template":"","class_list":["post-196151","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=\"Hey I don&#039;t know what you are doing in Step 2, I thought you would only need Step 1 to set the body temperatures and leave Time Integration Off in Step 1. Then in Step 2, turn on Time Integration. As you have already done, you Deactivate the two Temperature Loads (one shown below) in\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196151\/\" \/>\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: Temperature spike (temperature higher than set values) | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hey I don&#039;t know what you are doing in Step 2, I thought you would only need Step 1 to set the body temperatures and leave Time Integration Off in Step 1. Then in Step 2, turn on Time Integration. As you have already done, you Deactivate the two Temperature Loads (one shown below) in\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196151\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/305\/N3XJELUBG2NI.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/305\/N3XJELUBG2NI.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-11-14T18:54:27+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-11-14T18:59:25+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Temperature spike (temperature higher than set values) | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hey I don&#039;t know what you are doing in Step 2, I thought you would only need Step 1 to set the body temperatures and leave Time Integration Off in Step 1. 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