{"id":359643,"date":"2024-03-30T01:12:29","date_gmt":"2024-03-30T01:12:29","guid":{"rendered":"\/forum\/forums\/topic\/issue-with-material-expanding-when-in-torsion\/"},"modified":"2024-03-30T01:12:29","modified_gmt":"2024-03-30T01:12:29","slug":"issue-with-material-expanding-when-in-torsion","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/issue-with-material-expanding-when-in-torsion\/","title":{"rendered":"Issue with material expanding when in torsion"},"content":{"rendered":"<p>Hello,<\/p>\n<p>This is my first time doing FEA in general and my first time using ansys workbench. Im currently trying to determine the effective spring constant of the anti roll bar system for an FS car. However, when i apply a force to the control arm and thus creating torsion on the torsion bar it is exapnding by large amounts and i believe it is to do with my incorrect setup of the software.&nbsp;<\/p>\n<p>Ive added images showing the issue. I was wondering if it is me setting the software up wrong and if so where or if this is just a design issue which needs to be sorted. Ive tried uploading the files but couldnt find anywhere to upload them however ill upload an image of the all the settings i used. <img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/30-03-2024-1711761096-Screenshot 2024-03-30 011123.png\" alt=\"\"><\/p>\n<p>Thanks in advance for any help \ud83d\ude42<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/30-03-2024-1711760886-Screenshot 2024-03-30 010634.png\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/30-03-2024-1711760921-Screenshot 2024-03-30 010734.png\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-359643","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,This is my first time doing FEA in general and my first time using ansys workbench. 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