{"id":313552,"date":"2023-10-26T19:28:06","date_gmt":"2023-10-26T19:28:06","guid":{"rendered":"\/forum\/forums\/topic\/modelling-hole-that-opens-up-to-the-outer-environment-in-hfss\/"},"modified":"2023-10-26T19:28:06","modified_gmt":"2023-10-26T19:28:06","slug":"modelling-hole-that-opens-up-to-the-outer-environment-in-hfss","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modelling-hole-that-opens-up-to-the-outer-environment-in-hfss\/","title":{"rendered":"Modelling hole that opens up to the outer environment in HFSS"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I&#8217;d like to model the S_11 of an open system with a hole on one of the walls of a rectangular cavity. By not assigning a BC on the hole, HFSS by default assigns a Perfect E boundary condition there. How do I circumvent this and model the S_11 of the cavity with the hole?<\/p>\n<p>Thanks,<\/p>\n<p>Chi Zhang<\/p>\n","protected":false},"template":"","class_list":["post-313552","topic","type-topic","status-closed","hentry","topic-tag-boundary-conditions","topic-tag-cavity-1","topic-tag-hfss"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I&#039;d like to model the S_11 of an open system with a hole on one of the walls of a rectangular cavity. By not assigning a BC on the hole, HFSS by default assigns a Perfect E boundary condition there. 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