


{"id":216498,"date":"2022-06-21T18:49:07","date_gmt":"2022-06-21T18:49:07","guid":{"rendered":"\/forum\/forums\/topic\/simulation-time-and-frequency-domain-monitors-fdtd\/"},"modified":"2022-06-21T18:49:07","modified_gmt":"2022-06-21T18:49:07","slug":"simulation-time-and-frequency-domain-monitors-fdtd","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-time-and-frequency-domain-monitors-fdtd\/","title":{"rendered":"Simulation Time and Frequency Domain Monitors, FDTD"},"content":{"rendered":"<p>When simulating with FDTD (I am using Lumerical), I know there is a relation between the simulation time and the accuracy and frequency resolution available from the frequency domain monitors [mentioned in this video on the <a href=\"https:\/\/www.youtube.com\/watch?v=hMH4MW1FlNQ\" target=\"_blank\" rel=\"noopener\">Auto-Shutoff Level<\/a> in Lumerical]. The video, however, does not go into detail on the relationship. If I would like to obtain 1 MHz frequency resolution from my monitors, then is there a simple rule which specifies how long the simulation must run? (My intuition from Fourier Transforms says that there must be!).&nbsp;<\/p>\n<p>Thank you in advance for any help!<\/p>\n","protected":false},"template":"","class_list":["post-216498","topic","type-topic","status-closed","hentry","topic-tag-fdtd","topic-tag-frequency-response","topic-tag-lumerical","topic-tag-resolution"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["239763","2592"],"_bbp_author_ip":["23.218.93.53"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_bbp_likes_count":["1"],"_btv_view_count":["1373"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["216498"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","239763"],"_bbp_voice_count":["2"],"_bbp_reply_count":["6"],"_bbp_last_reply_id":["216732"],"_bbp_last_active_id":["216732"],"_bbp_last_active_time":["2022-06-23 18:38:48"]},"test":"zfrittsumich-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/216498","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\/216498\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=216498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}