{"id":394202,"date":"2024-11-19T09:05:04","date_gmt":"2024-11-19T09:05:04","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lsdyna-rolling-processnegative-volume\/"},"modified":"2024-11-19T09:05:04","modified_gmt":"2024-11-19T09:05:04","slug":"lsdyna-rolling-processnegative-volume","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lsdyna-rolling-processnegative-volume\/","title":{"rendered":"Lsdyna rolling process,negative volume"},"content":{"rendered":"<p>&lt;p&gt;I&#8217;m using lsdyna simulate the rolling process,workpiece rotated about 600rpm and the tool was fixed,the negative volume message was indicated when the simulation starte.I increase the simualtion time,it can be simulated,but its deformation was too large,like the material is soft,but it is aluminium.Actually, there shouldn&#8217;t be such a big deformation.was it because the rotation speed was too fast?or some settings was wrong?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-394202","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["240e:479:4200:1ad2:bc7f:b319:5f:5d2c"],"_btv_view_count":["169"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["13468","471944","4482"],"_bbp_topic_id":["394202"],"_bbp_forum_id":["27796"],"_bbp_engagement":["4482","13468","471944"],"_bbp_voice_count":["3"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["394801"],"_bbp_last_active_id":["394801"],"_bbp_last_active_time":["2024-11-21 15:08:18"]},"test":"panjczrelectron-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/394202","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\/394202\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=394202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}