{"id":395281,"date":"2024-11-26T06:49:27","date_gmt":"2024-11-26T06:49:27","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-plot-propagation-constant-of-surface-wave-of-grounded-dielectric-sheet\/"},"modified":"2024-11-26T06:49:27","modified_gmt":"2024-11-26T06:49:27","slug":"how-to-plot-propagation-constant-of-surface-wave-of-grounded-dielectric-sheet","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-plot-propagation-constant-of-surface-wave-of-grounded-dielectric-sheet\/","title":{"rendered":"How to plot propagation constant of surface wave of grounded dielectric sheet"},"content":{"rendered":"<p>&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732603224-mceclip0.png\" width=\"1260\" height=\"416\" \/>&lt;\/p&gt;&lt;div class=&#8221;flex-shrink-0 flex flex-col relative items-end&#8221;&gt;&lt;div&gt;&lt;div class=&#8221;pt-0&#8243;&gt;&lt;div class=&#8221;gizmo-bot-avatar flex h-8 w-8 items-center justify-center overflow-hidden rounded-full&#8221;&gt;&lt;div class=&#8221;relative p-1 rounded-sm flex items-center justify-center bg-token-main-surface-primary text-token-text-primary h-8 w-8&#8243;&gt;&nbsp;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;div class=&#8221;group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn&#8221;&gt;&lt;div class=&#8221;flex-col gap-1 md:gap-3&#8243;&gt;&lt;div class=&#8221;flex max-w-full flex-col flex-grow&#8221;&gt;&lt;div class=&#8221;min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words [.text-message+&amp;]:mt-5&#8243; dir=&#8221;auto&#8221; data-message-author-role=&#8221;assistant&#8221; data-message-id=&#8221;9d43717d-1a7f-4936-9eb5-c719f2c4297b&#8221; data-message-model-slug=&#8221;gpt-4o&#8221;&gt;&lt;div class=&#8221;flex w-full flex-col gap-1 empty:hidden first:pt-[3px]&#8221;&gt;&lt;div class=&#8221;markdown prose w-full break-words dark:prose-invert light&#8221;&gt;&lt;p&gt;I would like to know how to plot the propagation constant in a typical microstrip structure, as shown in the image.&lt;\/p&gt;&lt;p&gt;The goal is to determine the propagation constant of the surface wave generated under specific permittivity and substrate height conditions.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732603599-mceclip1.png\" width=\"1392\" height=\"382\" \/>&lt;\/p&gt;&lt;p&gt;I have seen tutorials on YouTube explaining how to plot the propagation constant in waveguides, but I am unsure how to configure the ports and boundaries for a microstrip structure.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732603629-mceclip2.png\" width=\"1279\" height=\"705\" \/>&lt;\/p&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;p&gt;For reference, I have set up the HFSS configuration as shown in the image.&lt;\/p&gt;&lt;p&gt;How can I plot the propagation constant of the surface wave ?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395281","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-plot-propagation-constant-of-surface-wave-of-grounded-dielectric-sheet\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" 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