{"id":358497,"date":"2024-03-22T14:16:58","date_gmt":"2024-03-22T14:16:58","guid":{"rendered":"\/forum\/forums\/topic\/precise-volume-average-for-import-surface-geometry\/"},"modified":"2024-03-22T14:16:58","modified_gmt":"2024-03-22T14:16:58","slug":"precise-volume-average-for-import-surface-geometry","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/precise-volume-average-for-import-surface-geometry\/","title":{"rendered":"Precise volume average for Import Surface geometry"},"content":{"rendered":"<p>The mesh refinement option &#8220;precise volume average&#8221; in combination with the &#8220;Import Surface&#8221; (importsurface2) geometry does not lead to the expected result. As an example, we look at the reflection of a plane wave on a sinusoidal grating of some material:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/22-03-2024-1711116701-Screenshot 2024-03-22 at 15.05.57.png\" alt=\"\" width=\"838\" height=\"598\"><\/p>\n<p>The precise volume average mesh refinement incorrectly assigns the permittivity of the material to the whole rectangular volume, leading to the following intensity profile:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/22-03-2024-1711116717-Screenshot 2024-03-22 at 14.54.45.png\" alt=\"\" width=\"845\" height=\"462\"><\/p>\n<p>Instead, only the material enclosed by the surface should have the perimittivity of the material leading to an intesity profile like:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/03\/22-03-2024-1711116747-Screenshot 2024-03-22 at 15.12.20.png\" alt=\"\" width=\"845\" height=\"434\"><\/p>\n<p>How can I set up the simulation with the expected behavior (last figure) and the precise volume average mesh refinement option?<\/p>\n<p>Many thanks,<br \/>Erik<\/p>\n","protected":false},"template":"","class_list":["post-358497","topic","type-topic","status-closed","hentry","topic-tag-mesh","topic-tag-mesh-refinement"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["296395","2592"],"_bbp_author_ip":["23.206.193.154"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["411"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["358497"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","296395"],"_bbp_voice_count":["2"],"_bbp_reply_count":["12"],"_bbp_last_reply_id":["363548"],"_bbp_last_active_id":["363548"],"_bbp_last_active_time":["2024-04-22 14:39:28"]},"test":"jmarisethz-ch"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/358497","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\/358497\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=358497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}