{"id":170703,"date":"2023-06-05T07:04:59","date_gmt":"2023-06-05T07:04:59","guid":{"rendered":"\/knowledge\/forums\/topic\/why-isnt-the-stress-strain-response-from-response-function-hyperelastic-model-not-matching-with-the-input-stress-strain-curve\/"},"modified":"2023-07-31T12:33:36","modified_gmt":"2023-07-31T12:33:36","slug":"why-isnt-the-stress-strain-response-from-response-function-hyperelastic-model-not-matching-with-the-input-stress-strain-curve","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/why-isnt-the-stress-strain-response-from-response-function-hyperelastic-model-not-matching-with-the-input-stress-strain-curve\/","title":{"rendered":"Why isn&#8217;t the stress-strain response from response function hyperelastic model not matching with the input stress-strain curve?"},"content":{"rendered":"<p>The experimental data is engineering stress-strain whereas the stresses\/strains calculated by ANSYS are true stress and strain. Either of these quantities should be converted to the right format before making comparison.<\/p>\n","protected":false},"template":"","class_list":["post-170703","topic","type-topic","status-publish","hentry","topic-tag-17-2","topic-tag-general","topic-tag-mechanical","topic-tag-structural-mechanics-nonlinear-mechanics","topic-tag-structural-mechanics"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["2\/6\/2023 20:20"],"_bbp_forum_id":["27789"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["431"],"siebel_km_number":["2048669"],"product_version":["17.2"],"km_published_date":["2017-03-10T00:00:00.000Z"],"family":["Structural Mechanics"],"application_name":["Mechanical"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/170703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/170703\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=170703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}