


{"id":37538,"date":"2019-09-06T15:02:28","date_gmt":"2019-09-06T15:02:28","guid":{"rendered":"\/forum\/forums\/topic\/matrix-coefficient-ratio-exceeds-1e8\/"},"modified":"2019-09-06T15:02:28","modified_gmt":"2019-09-06T15:02:28","slug":"matrix-coefficient-ratio-exceeds-1e8","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/matrix-coefficient-ratio-exceeds-1e8\/","title":{"rendered":"matrix coefficient ratio exceeds 1e8"},"content":{"rendered":"<p>Hi All<\/p>\n<p><\/p>\n<p>I am using transient structural to do the simulation with Mooney-Rivlin material. I got error said &#8220;Matrix coefficient ratio exceeds 1.0e8, check results carefully.&#8221; and then highly distorted element was reported. What should I do to reduce the matrix coefficient ratio and how can I extract it?&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/6e49c2ed-5fdd-4282-ad14-a9bb0039a756\/98184bea-2045-41bc-bc86-aac000f7b4f1_capture.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>In Analysis Settings, I turn on the large deflection, and use Damping for nonlinear control, and set stiffness coefficient to 1e-4 under damping controls.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>I have used the same geometry with isotropic elasticity material before, it worked without matrix coefficient warning. Or is this because of my material ?<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Thanks,<\/p>\n<p><\/p>\n<p>Jirong<\/p>\n","protected":false},"template":"","class_list":["post-37538","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["9716"],"_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":["4880"],"_bbp_subscription":["238200","274020"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["37538"],"_bbp_forum_id":["27791"],"_bbp_engagement":["897","161270","274020"],"_bbp_voice_count":["3"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["318390"],"_bbp_last_active_id":["318390"],"_bbp_last_active_time":["2023-11-20 06:19:31"]},"test":"jirong"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/37538","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\/37538\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=37538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}