{"id":318457,"date":"2023-11-20T11:25:10","date_gmt":"2023-11-20T11:25:10","guid":{"rendered":"\/forum\/forums\/reply\/318457\/"},"modified":"2023-11-20T11:25:10","modified_gmt":"2023-11-20T11:25:10","slug":"318457","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/","title":{"rendered":"Reply To: PSD Reponse lower than input PSD"},"content":{"rendered":"<p>&lt;p&gt;Hi Ashish,&lt;\/p&gt;&lt;p&gt;Thanks for your reply.&lt;\/p&gt;&lt;p&gt;Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between&nbsp;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;PSD &lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;input and reponse.&lt;br&gt;We regularly run analyses with this damping ratio but have not seen this issue before.&nbsp;&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;Regards,&nbsp;&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;Matt&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/20-11-2023-1700479491-mceclip0.png\" \/>&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-318457","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 Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/\" \/>\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: PSD Reponse lower than input PSD | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/20-11-2023-1700479491-mceclip0.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/20-11-2023-1700479491-mceclip0.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-11-20T11:25:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-11-20T11:25:10+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: PSD Reponse lower than input PSD | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/20-11-2023-1700479491-mceclip0.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/318457\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/318457\\\/#listItem\",\"name\":\"Reply To: PSD Reponse lower than input PSD\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/318457\\\/#listItem\",\"position\":2,\"name\":\"Reply To: PSD Reponse lower than input PSD\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/318457\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/318457\\\/\",\"name\":\"Reply To: PSD Reponse lower than input PSD | Ansys Learning Forum\",\"description\":\"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/318457\\\/#breadcrumblist\"},\"datePublished\":\"2023-11-20T11:25:10+00:00\",\"dateModified\":\"2023-11-20T11:25:10+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: PSD Reponse lower than input PSD | Ansys Learning Forum","description":"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/#listItem","name":"Reply To: PSD Reponse lower than input PSD"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/#listItem","position":2,"name":"Reply To: PSD Reponse lower than input PSD","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/","name":"Reply To: PSD Reponse lower than input PSD | Ansys Learning Forum","description":"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/#breadcrumblist"},"datePublished":"2023-11-20T11:25:10+00:00","dateModified":"2023-11-20T11:25:10+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: PSD Reponse lower than input PSD | Ansys Learning Forum","og:description":"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. And no, all previous attempts at this analysis have run into the same problem with the offset between PSD input and reponse.We regularly run analyses with this damping ratio but have not seen this issue before.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/318457\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/20-11-2023-1700479491-mceclip0.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/20-11-2023-1700479491-mceclip0.png","article:published_time":"2023-11-20T11:25:10+00:00","article:modified_time":"2023-11-20T11:25:10+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: PSD Reponse lower than input PSD | Ansys Learning Forum","twitter:description":"Hi Ashish,Thanks for your reply.Damping ratio is defined as 0.025 across the whole frequency spectrum. 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