{"id":367950,"date":"2024-05-21T19:34:57","date_gmt":"2024-05-21T19:34:57","guid":{"rendered":"\/forum\/forums\/topic\/simulation-with-finite-size-or-number-of-array-with-plane-wave-source\/"},"modified":"2024-05-21T19:34:57","modified_gmt":"2024-05-21T19:34:57","slug":"simulation-with-finite-size-or-number-of-array-with-plane-wave-source","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-with-finite-size-or-number-of-array-with-plane-wave-source\/","title":{"rendered":"Simulation with finite size or number of array with plane wave source"},"content":{"rendered":"<p>Whenever we do a simulation with periodic boundary condition (PBC), it is considered an infinite unit cell array. How do we do that if we want to see the response with the finite size of the metasurface? In that case, we have to use PML on all six sides of the finite-sized metasurface, and we can not use a plane wave source. Another problem is associated with the large simulation volume, like 20 &#8211; 30 um in some cases, where each unit cell size is around 200 -300 nm. How do we deal with such a problem?&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-367950","topic","type-topic","status-closed","hentry","topic-tag-fdtd","topic-tag-lumerical"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Whenever we do a simulation with periodic boundary condition (PBC), it is considered an infinite unit cell array. How do we do that if we want to see the response with the finite size of the metasurface? In that case, we have to use PML on all six sides of the finite-sized metasurface, and we\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-with-finite-size-or-number-of-array-with-plane-wave-source\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Simulation with finite size or number of array with plane wave source | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Whenever we do a simulation with periodic boundary condition (PBC), it is considered an infinite unit cell array. 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