{"id":387468,"date":"2024-09-30T08:17:33","date_gmt":"2024-09-30T08:17:33","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/directional-coupler-2\/"},"modified":"2024-09-30T08:17:33","modified_gmt":"2024-09-30T08:17:33","slug":"directional-coupler-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/directional-coupler-2\/","title":{"rendered":"Directional Coupler"},"content":{"rendered":"<p>&lt;p&gt;Hi,&nbsp;&lt;\/p&gt;&lt;p&gt;I&#8217;m trying to simulate a directional coupler in the EME solver&nbsp;&lt;\/p&gt;&lt;p&gt;For that, I defined my structure as followed : <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727683940-mceclip0.png\" \/>&lt;br&gt;But I can&#8217;t seem to get anything at my ports when I do a sweep of the coupling length from 0 to 500&micro;m:&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727683969-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;So, I tried this configuration :&nbsp;&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727684034-mceclip2.png\" \/> where the upper waveguide is straight and the bottom one has 2 s-bends.&lt;br&gt;Thus, I get :&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727684211-mceclip3.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Can someone help me please ?&nbsp;&lt;br&gt;Is EME not the right solver for this ?&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thank you very much!&lt;\/p&gt;&lt;p&gt;Sara&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387468","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["462883","2592","65964"],"_bbp_author_ip":["159.180.250.134"],"_btv_view_count":["500"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["387468"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","65964","462883"],"_bbp_voice_count":["3"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["392359"],"_bbp_last_active_id":["392359"],"_bbp_last_active_time":["2024-11-01 06:21:34"]},"test":"sara-bassil3-5lab-fr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/387468","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\/387468\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=387468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}