{"id":319857,"date":"2023-11-28T19:05:10","date_gmt":"2023-11-28T19:05:10","guid":{"rendered":"\/forum\/forums\/topic\/grouping-elements-with-a-command-in-apdl\/"},"modified":"2023-11-28T19:05:10","modified_gmt":"2023-11-28T19:05:10","slug":"grouping-elements-with-a-command-in-apdl","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/grouping-elements-with-a-command-in-apdl\/","title":{"rendered":"Grouping elements with a command in APDL"},"content":{"rendered":"

Good morning everyone.<\/p>\n

I hope I have chosen the right section, if not then please correct me.<\/p>\n

I am looking for an expert who is well versed in writing scripts in APDL inside Workbench. I’m doing a thermal-structural analysis and have encountered the following problem. I have a temperature distribution from the “transient thermal” modules. I imported the result of the last calculation step into the “transient structural” module. Inside the “transient structural” module, I want to divide the finite elements into groups according to what temperature they have. To do this, I wrote APDL code that looks like the following (this is a piece of code that later based on the groups assigns them the appropriate critical value and kills the elements):<\/p>\n

group1=0
group2=0
group3=0
group4=0
group5=0
group6=0
group7=0<\/p>\n

*get, NUMELEM, ELEM, 0, COUNT<\/p>\n

*do, i, 1, NUMELEM
  *get, temp_val, elem, i, temp  <\/p>\n

  ! Group 1
  *if, temp_val, le, 20
    *if, temp_val, gt, 0
      group1 = 1
    *endif<\/p>\n

  ! Group 2
  *if, temp_val, le, 0
    *if, temp_val, gt, -40
      group2 = 1
    *endif<\/p>\n

  ! Group 3
  *if, temp_val, le, -40
    *if, temp_val, gt, -60
      group3 = 1
    *endif<\/p>\n

  ! Group 4
  *if, temp_val, le, -60
    *if, temp_val, gt, -100
      group4 = 1
    *endif<\/p>\n

  ! Group 5
  *if, temp_val, le, -100
    *if, temp_val, gt, -130
      group5 = 1
    *endif<\/p>\n

  ! Group 6
  *if, temp_val, le, -130
    *if, temp_val, gt, -160
      group6 = 1
    *endif<\/p>\n

  ! Group 7
  *if, temp_val, le, -160
    group7 = 1
  *endif
*enddo<\/p>\n

cmgroup,group1,1
cmgroup,group2,2
cmgroup,group3,3
cmgroup,group4,4
cmgroup,group5,5
cmgroup,group6,6
cmgroup,group7,7<\/p>\n

I get the following error, which I can’t solve myself:<\/p>\n

“Unknown label in field 5 ( temp ) of *GET command.                     
  Line= *get, temp_val, elem, i, temp                                   
  The *GET command is ignored.”<\/p>\n

I’m hoping to find someone here who can help me fix it. <\/p>\n","protected":false},"template":"","class_list":["post-319857","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["303137","20905"],"_bbp_author_ip":["23.206.193.146"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1497"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["319857"],"_bbp_forum_id":["27791"],"_bbp_engagement":["20905","303137"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["320071"],"_bbp_last_active_id":["320071"],"_bbp_last_active_time":["2023-11-29 14:18:23"]},"test":"s177000student-pg-edu-pl"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/319857","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":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/319857\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=319857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}