{"id":307721,"date":"2023-09-20T17:06:53","date_gmt":"2023-09-20T17:06:53","guid":{"rendered":"\/forum\/forums\/reply\/307721\/"},"modified":"2023-09-20T17:06:53","modified_gmt":"2023-09-20T17:06:53","slug":"307721","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/307721\/","title":{"rendered":"Reply To: FDTD status is 1 with Bloch boundary condition"},"content":{"rendered":"<p>&lt;p&gt;Please try normal incidence and find the diffraction orders and angles with periodic BCs. If the diffraction orders change from one wavelength to another, there will be wavelengths that have 90 deg diffraction.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-307721","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Please try normal incidence and find the diffraction orders and angles with periodic BCs. If the diffraction orders change from one wavelength to another, there will be wavelengths that have 90 deg diffraction.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/307721\/\" \/>\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=\"Reply To: FDTD status is 1 with Bloch boundary condition | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Please try normal incidence and find the diffraction orders and angles with periodic BCs. If the diffraction orders change from one wavelength to another, there will be wavelengths that have 90 deg diffraction.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/307721\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-09-20T17:06:53+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-09-20T17:06:53+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: FDTD status is 1 with Bloch boundary condition | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Please try normal incidence and find the diffraction orders and angles with periodic BCs. 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