{"id":463354,"date":"2026-09-08T21:07:11","date_gmt":"2026-09-08T21:07:11","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/applying-ibis-in-siwizard\/"},"modified":"2026-09-08T21:07:11","modified_gmt":"2026-09-08T21:07:11","slug":"applying-ibis-in-siwizard","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/applying-ibis-in-siwizard\/","title":{"rendered":"Applying IBIS in SIWizard"},"content":{"rendered":"<p>I believe I&#8217;m appling the IBIS component models incorrectly.&nbsp;<\/p>\n<p>I copy and pasted the models into the directory below.&nbsp;<br \/>C:Program FilesAnsysEMv231Win64buflibIBIS<\/p>\n<p>After launching the software I can now see the model in SIWizard, it allows me to select it and update.&nbsp;<\/p>\n<p>After the simulation runs, I get this warning for all of the nets. (I replaced the part number and pin with &#8220;&#8230;&#8221; due to length)<br \/>Warning: Could not assign IBIS model &#8220;(NULL)&#8221; to &#8230; (model not found)<\/p>\n<p>Do I need to do anything additional, other than copy and paste the IBIS into the folder and select it in the wizard?<\/p>\n<p>I imported the board into SIWave using IPC2581 if it matters.&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-463354","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=\"description\" content=\"I believe I&#039;m appling the IBIS component models incorrectly. I copy and pasted the models into the directory below. C:Program FilesAnsysEMv231Win64buflibIBIS After launching the software I can now see the model in SIWizard, it allows me to select it and update. After the simulation runs, I get this warning for all of the nets. 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