{"id":327574,"date":"2023-12-12T07:04:24","date_gmt":"2023-12-12T07:04:24","guid":{"rendered":"\/forum\/forums\/topic\/abnormal-temperature-problem\/"},"modified":"2023-12-12T07:04:24","modified_gmt":"2023-12-12T07:04:24","slug":"abnormal-temperature-problem","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/abnormal-temperature-problem\/","title":{"rendered":"Abnormal Temperature Problem"},"content":{"rendered":"<div><span style=\"font-size: 12pt\">Hello everyone, I&#8217;m having problems with the electro-thermal coupling simulation for resistance spot welding:<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"font-size: 12pt\">After setting the ambient temperature to 21 degrees, the model shows an abnormal temperature decrease, with the low temperature areas concentrated in the contact area and edges of the sheets.&nbsp;<\/span><\/div>\n<div><span style=\"font-size: 12pt\">The element I&#8217;m using is solid226 without mid nodes (the temperature undershoot problem seems to be caused by mid nodes?).<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"font-size: 12pt\">Does anyone perhaps know what is causing that please? It has been bothering me for a long time, thanks a lot!<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"font-size: 12pt\">The temperature results are as follows\uff1a<\/span><\/div>\n<div><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/12-12-2023-1702364199-mceclip1.png\"><\/div>\n<div><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/12-12-2023-1702364364-mceclip2.png\"><\/div>\n<div>Mesh of the sheet:<\/div>\n<div><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/12-12-2023-1702364600-mceclip3.png\"><\/div>\n","protected":false},"template":"","class_list":["post-327574","topic","type-topic","status-closed","hentry","topic-tag-thermoelectric-1","topic-tag-ansysmechanical","topic-tag-apdl"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["304170","20905","170445"],"_bbp_author_ip":["23.52.43.81"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["818"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["327574"],"_bbp_forum_id":["27791"],"_bbp_engagement":["20905","170445","304170"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["339280"],"_bbp_last_active_id":["339280"],"_bbp_last_active_time":["2023-12-19 09:15:57"]},"test":"wei-wuensta-paris-fr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/327574","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\/327574\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=327574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}