{"id":311748,"date":"2023-10-17T05:01:55","date_gmt":"2023-10-17T05:01:55","guid":{"rendered":"\/forum\/forums\/topic\/error-in-hfss-for-s-and-x-band-array-antenna-design-need-help\/"},"modified":"2023-10-17T05:01:55","modified_gmt":"2023-10-17T05:01:55","slug":"error-in-hfss-for-s-and-x-band-array-antenna-design-need-help","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-in-hfss-for-s-and-x-band-array-antenna-design-need-help\/","title":{"rendered":"Error in HFSS for S and X Band Array Antenna Design &#8211; Need Help!"},"content":{"rendered":"<p>Hello ANSYS community,<\/p>\n<p>I am encountering an issue with my HFSS simulation while working on an S and X band array antenna design. I&#8217;ve been trying to resolve this problem for some time but haven&#8217;t had much success, so I&#8217;m reaching out to the community for guidance.<\/p>\n<p><strong>Error Description<\/strong>: The error message I&#8217;m encountering is [<strong>Tau first attempt and classic second attempt both failed<\/strong>]. This error occurs during the simulation process, and I&#8217;m struggling to identify the root cause and solution.<\/p>\n<p><strong>Problem Details<\/strong>:<\/p>\n<ul>\n<li>I have thoroughly checked my geometry and ensured it&#8217;s accurate.<\/li>\n<li>Meshing has been optimized and verified.<\/li>\n<li>Excitation, boundary conditions, and materials are correctly defined.<\/li>\n<li>HFSS version- 2023 R1 license\n<p>I would greatly appreciate any guidance, tips, or solutions from the ANSYS community. If you&#8217;ve encountered a similar error in your work or have expertise in antenna design, please share your insights. Your help would be invaluable in overcoming this roadblock.<\/p>\n<p>Thank you in advance for your assistance.<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/10\/17-10-2023-1697518809-array_nishita.png\" alt=\"\"><\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-311748","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello ANSYS community,I am encountering an issue with my HFSS simulation while working on an S and X band array antenna design. I&#039;ve been trying to resolve this problem for some time but haven&#039;t had much success, so I&#039;m reaching out to the community for guidance.Error Description: The error message I&#039;m encountering is [Tau first\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-in-hfss-for-s-and-x-band-array-antenna-design-need-help\/\" \/>\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=\"Error in HFSS for S and X Band Array Antenna Design \u2013 Need Help! | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello ANSYS community,I am encountering an issue with my HFSS simulation while working on an S and X band array antenna design. 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