{"id":39147,"date":"2019-11-24T09:00:18","date_gmt":"2019-11-24T09:00:18","guid":{"rendered":"\/forum\/forums\/topic\/asymmetric-current-density-for-a-symmetric-model\/"},"modified":"2019-11-24T09:00:18","modified_gmt":"2019-11-24T09:00:18","slug":"asymmetric-current-density-for-a-symmetric-model","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/asymmetric-current-density-for-a-symmetric-model\/","title":{"rendered":"Asymmetric Current Density for a Symmetric Model"},"content":{"rendered":"<p>Hello,<\/p>\n<p><\/p>\n<p>I&#8217;ve created this model of Wand Loop (copper) surrounding a ring (carbon steel) embedded in a plastic pipe. I&#8217;m exciting the wand loop with a current as shown in the attached picture. The geometry is perfectly symmetric and the operating frequency is 13.56 MHz. The problem I&#8217;m having is that when I measured the current magnitude on the surface of the ring, it&#8217;s not uniform all around the ring. I&#8217;m getting a maximum difference of about 800 A\/m for different angles. I&#8217;ve increased my meshing aggressiveness and even changed to manual meshing and although I can say I got better results, the non-uniformity is still significantly showing. I&#8217;ve been having this problem for a while now and I don&#8217;t know where exactly is the problem. I&#8217;ve attached some picture for meshing, electric field, and magnetic field. I&#8217;m also will to share the HFSS file if needed. I would appreciate any help. Thank you.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/2f02496b-faa3-4404-9217-aaaf005431ad\/d9813acc-2671-4873-afe2-ab0f00931f45_meshingwand.jpg?width=690&amp;upscale=false\" alt=\"Wand_Meshing\"><\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/2f02496b-faa3-4404-9217-aaaf005431ad\/f2038a9b-b1e5-4a47-ac04-ab0f0093c0c5_meshingring.jpg?width=690&amp;upscale=false\" alt=\"Ring Meshing\"><\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/2f02496b-faa3-4404-9217-aaaf005431ad\/34db8c6f-2615-4089-8258-ab0f00936d24_e-field-ring2.jpg?width=690&amp;upscale=false\" alt=\"Electric field for the ring\"><\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/2f02496b-faa3-4404-9217-aaaf005431ad\/0d078440-6da7-4b8e-ae73-ab0f0093a88e_h-field-ring.jpg?width=690&amp;upscale=false\" alt=\"Magnetic field for ring\"><\/p>\n","protected":false},"template":"","class_list":["post-39147","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["11326"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["1004"],"_bbp_subscription":["242212"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["39147"],"_bbp_forum_id":["27793"],"_bbp_engagement":["7","39445","167748"],"_bbp_voice_count":["3"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["99903"],"_bbp_last_active_id":["99903"],"_bbp_last_active_time":["2019-12-04 11:17:55"]},"test":"alhussein"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/39147","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\/39147\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=39147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}