{"id":347311,"date":"2024-01-30T14:29:19","date_gmt":"2024-01-30T14:29:19","guid":{"rendered":"\/forum\/forums\/reply\/347311\/"},"modified":"2024-01-30T14:29:19","modified_gmt":"2024-01-30T14:29:19","slug":"347311","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/347311\/","title":{"rendered":"Reply To: Ansys Electronics Desktop &#8211; Circuits &#8211; Convolution for transient simulation"},"content":{"rendered":"<p>&lt;p&gt;Yes, it is doing state-space fitting when it runs out of memory. Can you check to see if passivity enforcement is set in the s-parameter component in the Circuit schematic? To do this, right moust click on the component, select &#8220;Edit Model&#8221;, and then check the passivity option in the Options tab.&nbsp;&lt;br&gt;If that option is set to convex optimization instead of IFPV, that could explain the large memory usage here. Note this is separate from passivity enfrocement being applied during the SYZ sweep in SIwave.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-347311","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=\"Yes, it is doing state-space fitting when it runs out of memory. Can you check to see if passivity enforcement is set in the s-parameter component in the Circuit schematic? To do this, right moust click on the component, select &quot;Edit Model&quot;, and then check the passivity option in the Options tab. If that option is\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/347311\/\" \/>\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: Ansys Electronics Desktop \u2013 Circuits \u2013 Convolution for transient simulation | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Yes, it is doing state-space fitting when it runs out of memory. Can you check to see if passivity enforcement is set in the s-parameter component in the Circuit schematic? To do this, right moust click on the component, select &quot;Edit Model&quot;, and then check the passivity option in the Options tab. If that option is\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/347311\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-01-30T14:29:19+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-01-30T14:29:19+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Ansys Electronics Desktop \u2013 Circuits \u2013 Convolution for transient simulation | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Yes, it is doing state-space fitting when it runs out of memory. Can you check to see if passivity enforcement is set in the s-parameter component in the Circuit schematic? To do this, right moust click on the component, select &quot;Edit Model&quot;, and then check the passivity option in the Options tab. 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Can you check to see if passivity enforcement is set in the s-parameter component in the Circuit schematic? To do this, right moust click on the component, select \"Edit Model\", and then check the passivity option in the Options tab. 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