{"id":366820,"date":"2024-05-14T19:09:47","date_gmt":"2024-05-14T19:09:47","guid":{"rendered":"\/forum\/forums\/topic\/unable-to-calcualte-mode-expansion\/"},"modified":"2024-05-21T23:08:29","modified_gmt":"2024-05-21T23:08:29","slug":"unable-to-calcualte-mode-expansion","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/unable-to-calcualte-mode-expansion\/","title":{"rendered":"unable to calcualte mode expansion"},"content":{"rendered":"<div dir=\"ltr\">\n<div>Hi, I&#8217;m getting this error, can you help identify its cause? I get it if running from a computer cluster but not on my local machine where it returns the correct values without problem.<\/div>\n<div><span style=\"font-family: monospace\">&nbsp;<\/span><\/div>\n<div><span style=\"font-family: monospace\">\u2502ERROR:root:unable to calcualte mode expansion.<br \/>\u2502Traceback (most recent call last):<br \/>\u2502 &nbsp;File &#8220;\/home\/mila\/l\/letournv\/repos\/nanophoto\/lumerical.py&#8221;, line 87, in FDTD_FOM_computations<br \/>\u2502 &nbsp; &nbsp;foms.append(fom.get_fom(sim))<br \/>\u2502 &nbsp;File &#8220;\/home\/mila\/l\/letournv\/opt\/lumerical\/v241\/api\/python\/lumopt\/figures_of_merit\/modematch.py&#8221;, line 2<br \/>\u250207, in get_fom<br \/>\u2502 &nbsp; &nbsp;trans_coeff, self.wavelengths = ModeMatch.get_transmission_coefficient(sim, self.direction, self.moni<br \/>\u2502tor_name, self.mode_expansion_monitor_name)<br \/>\u2502 &nbsp;File &#8220;\/home\/mila\/l\/letournv\/opt\/lumerical\/v241\/api\/python\/lumopt\/figures_of_merit\/modematch.py&#8221;, line 2<br \/>\u250234, in get_transmission_coefficient<br \/>\u2502 &nbsp; &nbsp;raise UserWarning(&#8216;unable to calcualte mode expansion.&#8217;)<br \/>\u2502UserWarning: unable to calcualte mode expansion.<\/span><\/p>\n<div class=\"yj6qo\">&nbsp;<\/div>\n<div class=\"adL\">&nbsp;<\/div>\n<\/div>\n<\/div>\n","protected":false},"template":"","class_list":["post-366820","topic","type-topic","status-closed","hentry","topic-tag-error","topic-tag-modeexpansion-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["302254","2592","4274"],"_bbp_author_ip":["184.24.96.207"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["260"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["366820"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","4274","302254"],"_bbp_voice_count":["3"],"_bbp_reply_count":["14"],"_bbp_last_reply_id":["367968"],"_bbp_last_active_id":["367968"],"_bbp_last_active_time":["2024-05-21 23:08:09"]},"test":"vincent-letourneauumontreal-ca"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/366820","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\/366820\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=366820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}