{"id":362802,"date":"2024-04-17T20:56:56","date_gmt":"2024-04-17T20:56:56","guid":{"rendered":"\/forum\/forums\/topic\/reference-temperature-for-thermal-expansion-differing\/"},"modified":"2024-04-17T21:00:52","modified_gmt":"2024-04-17T21:00:52","slug":"reference-temperature-for-thermal-expansion-differing","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/reference-temperature-for-thermal-expansion-differing\/","title":{"rendered":"Reference Temperature for Thermal Expansion Differing"},"content":{"rendered":"<p>Hey all, new to ANSYS and trying to run a static structural for a power module. I keep getting a warning about the thermal expansion coefficients, as seen below. I have my enviromental reference set to 25C currently, altought I have also tested with 20C. In addition, I keep getting the same warning and error messages when I try to run, also seen below. Are these two problems related and if so, how to go about fixing them?<\/p>\n<pre>*** WARNING ***                         CP =     244.427   TIME= 01:40:28\n Material property ALPX of material 7 of element 1751129 is evaluated at \n a temperature of 20, which is below the supplied temperature range.     \n Temperature range checking terminates.                                  \n\n *** ERROR ***                           CP =     244.427   TIME= 01:40:28\n Thermal strain in element 1751129 with material 7 has caused the        \n element to invert.  Please check the thermal expansion definition and   \n the temperature change.         <\/pre>\n<p><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/17-04-2024-1713387202-mceclip0.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/17-04-2024-1713387202-mceclip0.png\"><\/a><\/p>\n","protected":false},"template":"","class_list":["post-362802","topic","type-topic","status-closed","hentry","topic-tag-error","topic-tag-mechanical","topic-tag-static-structural"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["85964","88"],"_bbp_author_ip":["23.206.193.154"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["928"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1713387594:296305"],"_bbp_topic_id":["362802"],"_bbp_forum_id":["27791"],"_bbp_engagement":["88","85964"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["362906"],"_bbp_last_active_id":["362906"],"_bbp_last_active_time":["2024-04-18 10:29:25"]},"test":"hopowellvt-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362802","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362802\/revisions"}],"predecessor-version":[{"id":362803,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362802\/revisions\/362803"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=362802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}