{"id":30037,"date":"2018-08-14T07:24:28","date_gmt":"2018-08-14T07:24:28","guid":{"rendered":"\/forum\/forums\/topic\/alternative-to-curve-fit-prony\/"},"modified":"2018-08-14T07:24:28","modified_gmt":"2018-08-14T07:24:28","slug":"alternative-to-curve-fit-prony","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/alternative-to-curve-fit-prony\/","title":{"rendered":"alternative to curve-fit (Prony)"},"content":{"rendered":"<p>I am modeling a visco-elastic behavior. I insert the Shear Data (Shear Modulus-Time) for temperature of 20&deg; and 30&deg;C and I get the Prony Shear Relaxation data after solving the curve fit. But as mentioned on a <a title=\"previous post\" href=\"\/thread\/curve-fit-visco-elastic\/\">previous post<\/a>, I think that curve fitting is not working properly; why do I think so?<\/p>\n<p><\/p>\n<ul><\/p>\n<li>Because the displacement when the Environment Temperature (under Static Structural) is set to 20&deg;C is higher than that of 27&deg;C, meanwhile the shear modulus at input data is decreased when the temperature is increased.<\/li>\n<p><\/p>\n<li>Prony parameters follow no trend<\/li>\n<p>\n<\/ul>\n<p><\/p>\n<p>Is there any alternative way to calculate the visco-elastic behavior without using curve fit?<\/p>\n","protected":false},"template":"","class_list":["post-30037","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["2206"],"_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":["1","1","1","1","1"],"_btv_view_count":["5089"],"_bbp_subscription":["286412"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["30037"],"_bbp_forum_id":["27791"],"_bbp_engagement":["10","99","157933","159364","286412"],"_bbp_voice_count":["5"],"_bbp_reply_count":["16"],"_bbp_last_reply_id":["286976"],"_bbp_last_active_id":["286976"],"_bbp_last_active_time":["2023-06-03 13:25:58"]},"test":"jonsys"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/30037","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\/30037\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=30037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}