{"id":165138,"date":"2023-03-17T08:59:31","date_gmt":"2023-03-17T08:59:31","guid":{"rendered":"\/knowledge\/forums\/topic\/the-ls-dyna-equivalent-of-model_change-card-in-abaqus-which-keywords-can-be-used-to-introduceactivate-deletedeactivate-elements-in-the-middle-of-a-calculation-at-user-specific-time-load-step\/"},"modified":"2023-07-31T12:30:40","modified_gmt":"2023-07-31T12:30:40","slug":"the-ls-dyna-equivalent-of-model_change-card-in-abaqus-which-keywords-can-be-used-to-introduceactivate-deletedeactivate-elements-in-the-middle-of-a-calculation-at-user-specific-time-load-step","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/the-ls-dyna-equivalent-of-model_change-card-in-abaqus-which-keywords-can-be-used-to-introduceactivate-deletedeactivate-elements-in-the-middle-of-a-calculation-at-user-specific-time-load-step\/","title":{"rendered":"The LS-DYNA equivalent of *MODEL_CHANGE card (in ABAQUS).  Which keywords can be used to introduce(activate)\/delete(deactivate) elements in the middle of a calculation (at user-specific time\/load steps)."},"content":{"rendered":"<p>Please use construction stages keyword options, Have a look at the following keywords:  *DEFINE_CONSTRUCTION_STAGES *DEFINE_STAGED_CONSTRUCTION_PART *CONTROL_STAGED_CONSTRUCTION  With these keywords, you can define stages and add or remove parts at different stages during the analysis.  Please find attached one sample example for your reference<\/p>\n","protected":false},"template":"","class_list":["post-165138","topic","type-topic","status-publish","hentry","topic-tag-ls-dyna","topic-tag-ls-dyna-suite","topic-tag-lsdyna","topic-tag-r12","topic-tag-structural-mechanics"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3\/15\/2023 20:20"],"_bbp_forum_id":["27789"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["10058"],"siebel_km_number":["2063775"],"product_version":["R12"],"km_published_date":["2020-12-08T00:00:00.000Z"],"family":["Structural Mechanics"],"application_name":["LS-DYNA Suite"],"_bbp_likes_count":["2"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/165138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/165138\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=165138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}