{"id":362259,"date":"2024-04-15T13:58:56","date_gmt":"2024-04-15T13:58:56","guid":{"rendered":"\/forum\/forums\/topic\/how-to-calculate-the-received-power-excited-by-non-port-excitations\/"},"modified":"2025-11-10T11:58:11","modified_gmt":"2025-11-10T11:58:11","slug":"how-to-calculate-the-received-power-excited-by-non-port-excitations","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-the-received-power-excited-by-non-port-excitations\/","title":{"rendered":"How to calculate the received power excited by non-port excitations?"},"content":{"rendered":"<p>Hi,<\/p>\n<p>&nbsp;<\/p>\n<p>I&#8217;m trying to simulate RF harvesting circuit with Ansys HFSS.<\/p>\n<p>What I want to know is how to calculate the received energy of antenna with non-port excitation sources(plane wave, spherical wave, near field data, far field data). If I have clear transmitting source driven by wave, lumped port, then I can easily calculate the S21 for two ports. However, my excitation is actually near field data computed by other numerical tools.&nbsp;<\/p>\n<p>I set the port of antenna as lumped port. Edit sources-&gt;0W on the port.<\/p>\n<p>So my questions are<\/p>\n<ol>\n<li>How to calculate the received power on antenna from incident wave excitation. (Sum of poynting vector, surface current, etc)<\/li>\n<li>Can I get the more detailed waveform or voltage\/current from antenna port. If can, How?<\/li>\n<\/ol>\n<p>I&#8217;m sorry for repeated question that others already posted. But lack of my understanding, I need more clear answer about it:(<\/p>\n<p>Thank you.<\/p>\n","protected":false},"template":"","class_list":["post-362259","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["77547","1178","148789","349932","440799","446709","450730","461031","464816","469751","303847","478412","479020","492516","520097","522509","532407","538738","543514","565154","587833","592187","615469"],"_bbp_author_ip":["23.52.43.10"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1915"],"_bbp_topic_status":["answered"],"_bbp_topic_id":["362259"],"_bbp_forum_id":["27793"],"_bbp_voice_count":["2"],"_bbp_reply_count_hidden":["21"],"_bbp_last_reply_id":["368936"],"_bbp_last_active_id":["368936"],"_bbp_last_active_time":["2024-05-28 09:22:20"],"_bbp_reply_count":["2"],"_bbp_status":["answered"],"_bbp_engagement":["1178","77547"]},"test":"parksb2002kaist-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362259","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362259\/revisions"}],"predecessor-version":[{"id":391918,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362259\/revisions\/391918"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=362259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}