


{"id":362547,"date":"2024-04-17T08:10:45","date_gmt":"2024-04-17T08:10:45","guid":{"rendered":"\/forum\/?post_type=topic&#038;p=362547"},"modified":"2024-04-22T14:44:09","modified_gmt":"2024-04-22T14:44:09","slug":"multiple-interface_ssi-layer-for-implementing-drm","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/multiple-interface_ssi-layer-for-implementing-drm\/","title":{"rendered":"Multiple INTERFACE_SSI layer for implementing DRM"},"content":{"rendered":"<p>Hello everyone!<\/p>\n<p>I am trying to understand the response of a structure on a soil domain by SSI analysis and my model needs to utilize the DRM technique.&nbsp;LS-Dyna just warns by printing some messages similar to the one provided below (from d3hsp):<\/p>\n<pre>*** Warning 50134 (MPP+134)<br>&nbsp; &nbsp; &nbsp;Tracked node also belongs to reference segments<br>&nbsp; &nbsp; &nbsp;connectivity. This should not cause numerical problems.<br>&nbsp; &nbsp; &nbsp; &nbsp;tied interface # &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1<br>&nbsp; &nbsp; &nbsp; &nbsp;tracked node # &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1<br>&nbsp; &nbsp; &nbsp; &nbsp;segment # &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 179<br>&nbsp; &nbsp; &nbsp; &nbsp;segment nodes:<br>&nbsp; &nbsp; &nbsp; 22 463 442 1<br>&nbsp;Summary of warning messages for interface # = 1<br>&nbsp; &nbsp;number of warning messages &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 4418<\/pre>\n<p>In that case the solver reports the following errors in the d3hsp01:<\/p>\n<pre>At line 253932730:<br>&nbsp;*** Error 30264 (INI+264)<br>&nbsp; &nbsp; &nbsp;SSI interface ID: 1 not found in restart file<br><br>At line 253932733:<br>&nbsp;*** Error 30271 (INI+271)<br>&nbsp; &nbsp; &nbsp;# of nodes 4418 in SSI contact interface id 1<br>&nbsp; &nbsp; &nbsp;do not match stored # of nodes: 890217136<\/pre>\n<p>I want to understand how to troubleshoot these errors and whether they are related to the manner in which the *INTERFACE_SSI was defined. I know about the implementation and theory of effective seismic input that LS-Dyna employs in the background according to Bielak&#8217;s 1984 article.<\/p>\n<p>Thanks in advance for your valuable insights and time.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; Tonmoy.<\/p>\n","protected":false},"template":"","class_list":["post-362547","topic","type-topic","status-closed","hentry","topic-tag-explicit-dynamics","topic-tag-ls-dyna","topic-tag-pml-boundary-1","topic-tag-seismic-loading","topic-tag-soil-structure-interation-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["23.52.43.68"],"_bbp_subscription":["273386","178077"],"_btv_view_count":["521"],"_bbp_topic_status":["answered"],"_edit_lock":["1713796964:203800"],"_bbp_topic_id":["362547"],"_bbp_forum_id":["27814"],"_bbp_engagement":["178077","273386"],"_bbp_voice_count":["2"],"_bbp_last_reply_id":["363409"],"_bbp_last_active_id":["363409"],"_bbp_last_active_time":["2024-04-22 07:20:40"]},"test":"tonmoymailinator-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362547","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":10,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362547\/revisions"}],"predecessor-version":[{"id":363554,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362547\/revisions\/363554"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=362547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}