{"id":320039,"date":"2023-11-29T13:27:11","date_gmt":"2023-11-29T13:27:11","guid":{"rendered":"\/forum\/forums\/topic\/results-from-simulation-could-not-be-concatenated\/"},"modified":"2023-12-04T08:10:20","modified_gmt":"2023-12-04T08:10:20","slug":"results-from-simulation-could-not-be-concatenated","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/results-from-simulation-could-not-be-concatenated\/","title":{"rendered":"Results from simulation could not be concatenated"},"content":{"rendered":"<p>I have a structure with two sources and I&#8217;m trying to perform a parameter sweep using the global source center wavelength to vary both source center wavelengths at the same time. I&#8217;m measuring the transmission at the output waveguide on the right of the structure using a frequency domain field profile. The image below shows the simulation structure:<br \/><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/29-11-2023-1701263878-mceclip1.png\"><\/p>\n<p>The next image shows the parameters and results in the sweep:<br \/><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/29-11-2023-1701263960-mceclip3.png\"><\/p>\n<p>After running the simulation I get the following warning saying the results from individual simulations could not be concatenated:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/29-11-2023-1701263672-mceclip0.png\"><\/p>\n<p>Could anyone help me resolve this issue? I&#8217;ve read other articles about similar issues being caused by the mesh changing between simulations in the sweep, or the matrix the results are being stored in being of different sizes, but I don&#8217;t understand why this would occur for a simple wavelength sweep.<\/p>\n<p>I&#8217;m using a varFDTD simulation in Lumerical Mode 2023 R2.1<\/p>\n","protected":false},"template":"","class_list":["post-320039","topic","type-topic","status-closed","hentry","topic-tag-lumerical","topic-tag-MODE-1","topic-tag-parametersweep-1","topic-tag-varFDTD-1","topic-tag-wavelength"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["302937","18532"],"_bbp_author_ip":["23.206.193.146"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1529"],"_bbp_likes_count":["1"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["320039"],"_bbp_forum_id":["27833"],"_bbp_engagement":["18532","302937"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["320671"],"_bbp_last_active_id":["320671"],"_bbp_last_active_time":["2023-12-04 08:20:16"]},"test":"jfw1g19soton-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/320039","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\/320039\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=320039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}