{"id":216339,"date":"2022-06-19T12:12:35","date_gmt":"2022-06-19T12:12:35","guid":{"rendered":"\/forum\/forums\/topic\/export-node-temperature-using-udf\/"},"modified":"2022-06-19T12:12:35","modified_gmt":"2022-06-19T12:12:35","slug":"export-node-temperature-using-udf","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/export-node-temperature-using-udf\/","title":{"rendered":"export node temperature using udf"},"content":{"rendered":"<p>Hiya, <\/p>\n<p>I am modelling a transient case with two phases, and I would like to know the temperature development of the nodes in a certain thread. I used udf to export the coordinates of the wanted nodes successfully. However, I had some problems when I tried to export the temperature. I defined the field variable name using the following lines:&nbsp;<\/p>\n<p><span style=\"color: #2dc26b\">char *what = &#8220;temperature&#8221;; <\/span><br \/><span style=\"color: #2dc26b\">Node_Function_Values(d, what);<\/span><\/p>\n<p>And I tried to obtain the temperature value using <span style=\"color: #2dc26b\">NODE_VALUE(v).<\/span> But it reports as follows when I tried to print the temperature value.&nbsp;<\/p>\n<p><span style=\"color: #ff0000;font-size: 14pt\">Error: floating point exception<\/span><\/p>\n<p style=\"margin: 0px\"><span style=\"color: #ff0000\">Error Object: #f<\/span><\/p>\n<p style=\"margin: 0px\"><span style=\"color: #ff0000;font-size: 14pt\">The fl process could not be started.<\/p>\n<p><\/span><span style=\"color: #ff0000;font-size: 14pt\"><span style=\"color: #000000\">What is the possible reason which would cause this? <\/p>\n<p>Is it possible that the&nbsp;<\/span><\/span><span style=\"font-size: 14pt\">field variable name that I am using is not right, since it is a multiphase case. How can I know the list of <\/span><span style=\"font-size: 14pt\">field variable names that I can use in the function <\/span><span style=\"color: #2dc26b;font-size: 14pt\">Node_Function_Values(d, what); <span style=\"color: #000000\">for a&nbsp;<\/span><\/span><span style=\"font-size: 14pt;color: #000000\">multiphase case. <\/p>\n<p>Many thanks for your time and wish to hear from you soon.&nbsp;<\/p>\n<p>Best regards<br \/>Heng<\/span><\/p>\n","protected":false},"template":"","class_list":["post-216339","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["252302","199","22555"],"_bbp_author_ip":["23.48.94.52"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["993"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["216339"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","252302"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["216482"],"_bbp_last_active_id":["216482"],"_bbp_last_active_time":["2022-06-21 14:59:34"]},"test":"guhengujs-edu-cn"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/216339","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\/216339\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=216339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}