{"id":165612,"date":"2023-03-17T09:00:48","date_gmt":"2023-03-17T09:00:48","guid":{"rendered":"\/knowledge\/forums\/topic\/which-options-are-recommended-for-cases-where-hourglassing-stubbornly-persists\/"},"modified":"2023-07-31T12:31:36","modified_gmt":"2023-07-31T12:31:36","slug":"which-options-are-recommended-for-cases-where-hourglassing-stubbornly-persists","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/which-options-are-recommended-for-cases-where-hourglassing-stubbornly-persists\/","title":{"rendered":"Which options are recommended for cases where hourglassing stubbornly persists?"},"content":{"rendered":"<p>These commands can be used to eliminate stubborn hourglassing problems:  edmp,hgls,1,5 edmp,hgls,2,5 edmp,hgls,3,5  These viscous hourglass control options were the &#8220;silver bullet&#8221; in one case where they eliminated the hourglassing. So, the Flanagan-Belytschko stiffness form with exact volume integration with default coefficient (0.1) appear to be the settings necessary.<\/p>\n","protected":false},"template":"","class_list":["post-165612","topic","type-topic","status-publish","hentry","topic-tag-4431","topic-tag-explicit-ls-dyna","topic-tag-ls-dyna-explicit","topic-tag-mechanical-apdl","topic-tag-structural-dynamics","topic-tag-structural-mechanics"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"These commands can be used to eliminate stubborn hourglassing problems: edmp,hgls,1,5 edmp,hgls,2,5 edmp,hgls,3,5 These viscous hourglass control options were the &quot;silver bullet&quot; in one case where they eliminated the hourglassing. 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