{"id":39389,"date":"2019-12-05T01:32:03","date_gmt":"2019-12-05T01:32:03","guid":{"rendered":"\/forum\/forums\/topic\/how-to-write-a-correct-udf-fluent-for-specific-heat-as-function-of-temperature-for-polynomials\/"},"modified":"2019-12-05T01:32:03","modified_gmt":"2019-12-05T01:32:03","slug":"how-to-write-a-correct-udf-fluent-for-specific-heat-as-function-of-temperature-for-polynomials","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-write-a-correct-udf-fluent-for-specific-heat-as-function-of-temperature-for-polynomials\/","title":{"rendered":"How To write a Correct UDF (FLUENT) for Specific heat as Function of Temperature for Polynomials ?"},"content":{"rendered":"

This UDF didnt Get Any Error message but its not running, Can someone correct the UDF BELOW<\/span>? {Suggest Changes Required}<\/em><\/span><\/strong><\/p>\n

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Should I add anything Related To Enthalpy<\/span> or Some UDM MACRO<\/span> like <\/span>C_UDMI(c,t,0) = cp<\/span><\/strong><\/p>\n

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DEFINE_SPECIFIC_HEAT(cell_SpecificHeat, T, Tref, h, yi)<\/span><\/p>\n

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{  <\/span><\/span><\/p>\n

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real T = C_T(c, t); <\/span><\/p>\n

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real cp;<\/span><\/p>\n

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if (500< T <550)<\/span><\/p>\n

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{<\/span><\/p>\n

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cp = (0.63464529*pow(T,2))-(356.13993666*T)+(61767.53243895);<\/span><\/p>\n

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}<\/span><\/p>\n

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else if (550< T <600.10)<\/span><\/p>\n

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{<\/span><\/p>\n

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cp = (0.23484528*pow(T,2))-(250.13953470*T)+(71466.09249852);<\/span><\/p>\n

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}<\/span><\/p>\n

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else if (600.10< T < 625.15)<\/span><\/p>\n

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{<\/span><\/p>\n

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cp = (1.58260392*pow(T,2))-(1873.17493506*T)+(560143.47661247);<\/span><\/p>\n

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}<\/span><\/p>\n

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else if (625.15< T <640)<\/span><\/p>\n

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{<\/span><\/p>\n

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cp = (16.13751699*pow(T,2))-(20137.03882161*T)+(6289718.12316515);<\/span><\/p>\n

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}<\/span><\/p>\n

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else<\/span><\/p>\n

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{<\/span><\/p>\n

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cp = 13000;<\/span><\/p>\n

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}<\/span><\/p>\n

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return cp; <\/span><\/p>\n

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}<\/span><\/p>\n

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 <\/p>\n","protected":false},"template":"","class_list":["post-39389","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["11568"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["2686"],"_bbp_subscription":["243350","46171"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["39389"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","46171","168924"],"_bbp_voice_count":["4"],"_bbp_reply_count":["8"],"_bbp_last_reply_id":["244016"],"_bbp_last_active_id":["244016"],"_bbp_last_active_time":["2022-12-14 10:21:51"]},"test":"atulsbhat"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/39389","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\/39389\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=39389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}