{"id":416609,"date":"2025-02-12T08:35:23","date_gmt":"2025-02-12T08:35:23","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/running-fdtd-simulations-on-linux\/"},"modified":"2025-02-12T08:35:23","modified_gmt":"2025-02-12T08:35:23","slug":"running-fdtd-simulations-on-linux","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/running-fdtd-simulations-on-linux\/","title":{"rendered":"Running FDTD simulations on Linux"},"content":{"rendered":"<p>&lt;p&gt;Hello,&nbsp;&lt;\/p&gt;&lt;p&gt;I am trying to run simulations on linux (ubuntu 20.04.6 LTS), but I have issues when launching the GUI interface of Lumerical.&nbsp;Below is the error message I get after trying to open a simulation file with the GUI:&lt;\/p&gt;&lt;p&gt;e_hartmann@speckle:~$ .\/tools\/v242\/bin\/fdtd-solutions&lt;br&gt;Messages file \/ansys_inc\/shared_files\/licensing\/language\/en-us\/ansysli_msgs.xml does not exist.&lt;br&gt;.\/tools\/v242\/bin\/fdtd-solutions: line 8: 1980362 Segmentation fault (core dumped) $FDTD_BIN_DIR\/fdtd-solutions-app &#8220;$@&#8221;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I also tried to open and launch a simulation using the terminal only: .\/tools\/v242\/bin\/fdtd-solutions -nw -run simulations\/FDTD_run.lsf simulations\/nanofin_test_FDTD_2.fsp&lt;\/p&gt;&lt;p&gt;By doing that I don&#8217;t get any error message but the simulation doesn&#8217;t seem to run (no log file created).&lt;\/p&gt;&lt;p&gt;Thank you for your help!&lt;\/p&gt;&lt;p&gt;Edith Hartmann&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-416609","topic","type-topic","status-publish","hentry","topic-tag-fdtd","topic-tag-linux"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27833"],"_bbp_topic_id":["416609"],"_bbp_subscription":["482970","4274"],"_bbp_author_ip":["147.94.135.17"],"_bbp_last_reply_id":["423062"],"_bbp_last_active_id":["423062"],"_bbp_last_active_time":["2025-02-24 18:34:43"],"_bbp_reply_count":["3"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["482970","4274"],"_btv_view_count":["446"],"_bbp_topic_status":["unanswered"]},"test":"edith-hartmannfresnel-fr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/416609","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\/416609\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=416609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}