{"id":370840,"date":"2024-07-05T22:26:52","date_gmt":"2024-07-05T22:26:52","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370840\/"},"modified":"2024-07-05T22:26:52","modified_gmt":"2024-07-05T22:26:52","slug":"370840","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370840\/","title":{"rendered":"Reply To: Q factor calculation"},"content":{"rendered":"<p>&lt;p&gt;Hi Seyed, It is common that when the source spectral range changes the result will be different, mainly because the mesh and the material fitting is not the same. It converges if much higher mesh accuracy is used. However if the material fitting is different the resonance will still shift. To avoid this, please fix the wavelength range in material fitting.&lt;\/p&gt;&lt;p&gt;In addition, you may also check the Q analysis group and result and see if it is reasonable, in particular when FFT method is used. If &#8220;findresonance&#8221; <a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/search\/click?data=BAh7DjoHaWRsKwiB%2FcDTUwA6D2FjY291bnRfaWRpA02AjDoJdHlwZUkiDGFydGljbGUGOgZFVDoIdXJsSSJaaHR0cHM6Ly9vcHRpY3MuYW5zeXMuY29tL2hjL2VuLXVzL2FydGljbGVzLzM2MDAzNDkyNTk1My1maW5kcmVzb25hbmNlcy1TY3JpcHQtY29tbWFuZAY7CFQ6DnNlYXJjaF9pZEkiKTgzOWViMmIxLWFkNDctNDhlMS1hOGY3LWQxNDMzYzVkZDcxNwY7CEY6CXJhbmtpBjoLbG9jYWxlSSIKZW4tdXMGOwhUOgpxdWVyeUkiEmZpbmRyZXNvbmFuY2UGOwhUOhJyZXN1bHRzX2NvdW50aQ4%3D--2f40b41247051a4448b157e7c63423c0ec51bf5b\">findresonances &#8211; Script command<\/a>&nbsp; is used, it might be better since it uses analytical method to get the resonant frequency and Q from a few cycles of signals containing the resonant information.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-370840","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=\"Hi Seyed, It is common that when the source spectral range changes the result will be different, mainly because the mesh and the material fitting is not the same. It converges if much higher mesh accuracy is used. However if the material fitting is different the resonance will still shift. To avoid this, please fix\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370840\/\" \/>\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: Q factor calculation | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi Seyed, It is common that when the source spectral range changes the result will be different, mainly because the mesh and the material fitting is not the same. It converges if much higher mesh accuracy is used. 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It converges if much higher mesh accuracy is used. However if the material fitting is different the resonance will still shift. 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It converges if much higher mesh accuracy is used. However if the material fitting is different the resonance will still shift. To avoid this, please fix","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/370840\/","article:published_time":"2024-07-05T22:26:52+00:00","article:modified_time":"2024-07-05T22:26:52+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Q factor calculation | Ansys Learning Forum","twitter:description":"Hi Seyed, It is common that when the source spectral range changes the result will be different, mainly because the mesh and the material fitting is not the same. It converges if much higher mesh accuracy is used. However if the material fitting is different the resonance will still shift. 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