{"id":193324,"date":"2021-09-29T01:25:03","date_gmt":"2021-09-29T01:25:03","guid":{"rendered":"\/forum\/forums\/reply\/193324\/"},"modified":"2021-09-29T01:39:04","modified_gmt":"2021-09-29T01:39:04","slug":"193324","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/193324\/","title":{"rendered":"Reply To: Static and Dynamic Forces, how to configure?"},"content":{"rendered":"<p>Find the direction of the rotating force that produces the maximum stress in the structure without gravity.  Maybe it is obvious. For example, in the case of a force at the end of a cantilever beam, the maximum stress is when the force is in the direction of the thin dimension. <br \/>\nDuplicate the Static Structural analysis. I named these Force Up and Force Down.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/074\/1Z5I9CSFBORA.png\" width=\"416\" height=\"198\" \/>In each system, use the supports you need, and Standard Earth Gravity, and the rotating force.  In the first system the force is defined with components and is a positive value to push up and in the second system the force has a negative value to push down.  Insert a Fatigue Tool in each system. In each system make the Loading Type Zero-Based.<br \/>\nRight click on the Model branch and insert a Fatigue Combination.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/528\/N7RUQ9RQJ7LZ.png\" width=\"743\" height=\"503\" \/>In the Worksheet, add each force direction.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/422\/L4F2V4KU14VT.png\" width=\"316\" height=\"151\" \/>Insert a Damage result into the Fatigue Combination.<br \/>\nThe Damage result is computed from cycling between the stress state of the force going up and the force going down, including the effect of the weight of the structure.<br \/>\nRead the post below by who can correct me if I said something wrong or corroborate if I said it right.<br \/>\n<a href=\"\/forum\/discussion\/23024\/fatigue-combined-loads\" target=\"blank\">\/forum\/discussion\/23024\/fatigue-combined-loads<\/a><\/p>\n","protected":false},"template":"","class_list":["post-193324","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/193324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/193324\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=193324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}