{"id":394263,"date":"2024-11-19T12:25:08","date_gmt":"2024-11-19T12:25:08","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/harmonic-analysis-not-being-performed-on-pzt-patch\/"},"modified":"2024-11-19T12:25:08","modified_gmt":"2024-11-19T12:25:08","slug":"harmonic-analysis-not-being-performed-on-pzt-patch","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/harmonic-analysis-not-being-performed-on-pzt-patch\/","title":{"rendered":"Harmonic Analysis not being performed on PZT patch"},"content":{"rendered":"<p>&lt;p&gt;I am trying to model PZT patch (10mm x 10mm x 0.3mm) bonded on a beam (700mm x 150mm x 150mm) but I am unable to perform harmonic analysis. Therefore I tried modelling only the PZT patch but then also there are warnings. Details of the PZT patch modelled are as follows:&lt;\/p&gt;&lt;p&gt;I modelled PZT-5H patch (10mm x 10mm x 0.3mm) on ANSYS APDL. The element considered for PZT-5H is SOLID226 and the k1 was set to piezoelectric. Sweep meshing was performed with the element size of 1mm. I also tried hex mapped meshing. Then I applied a voltage of 1 V at the top nodes and coupled them and applied 0V at the bottom nodes and coupled them. Then performed harmonic analysis, 680warnings were generated. Warnings stated that the node is not independent tehrefore nodes have been couple. The same error was generated for all the 680 nodes.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018131-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018172-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018406-mceclip2.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018486-mceclip3.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018619-mceclip4.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018757-mceclip5.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732018804-mceclip6.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-394263","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 am trying to model PZT patch (10mm x 10mm x 0.3mm) bonded on a beam (700mm x 150mm x 150mm) but I am unable to perform harmonic analysis. Therefore I tried modelling only the PZT patch but then also there are warnings. Details of the PZT patch modelled are as follows:I modelled PZT-5H patch\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/harmonic-analysis-not-being-performed-on-pzt-patch\/\" \/>\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=\"Harmonic Analysis not being performed on PZT patch | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am trying to model PZT patch (10mm x 10mm x 0.3mm) bonded on a beam (700mm x 150mm x 150mm) but I am unable to perform harmonic analysis. Therefore I tried modelling only the PZT patch but then also there are warnings. Details of the PZT patch modelled are as follows:I modelled PZT-5H patch\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/harmonic-analysis-not-being-performed-on-pzt-patch\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-19T12:25:08+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-19T12:25:08+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Harmonic Analysis not being performed on PZT patch | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I am trying to model PZT patch (10mm x 10mm x 0.3mm) bonded on a beam (700mm x 150mm x 150mm) but I am unable to perform harmonic analysis. Therefore I tried modelling only the PZT patch but then also there are warnings. Details of the PZT patch modelled are as follows:I modelled PZT-5H patch\" \/>\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\\\/topic\\\/harmonic-analysis-not-being-performed-on-pzt-patch\\\/#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\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/harmonic-analysis-not-being-performed-on-pzt-patch\\\/#listItem\",\"name\":\"Harmonic Analysis not being performed on PZT patch\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/harmonic-analysis-not-being-performed-on-pzt-patch\\\/#listItem\",\"position\":3,\"name\":\"Harmonic Analysis not being performed on PZT patch\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@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\\\/topic\\\/harmonic-analysis-not-being-performed-on-pzt-patch\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/harmonic-analysis-not-being-performed-on-pzt-patch\\\/\",\"name\":\"Harmonic Analysis not being performed on PZT patch | Ansys Learning Forum\",\"description\":\"I am trying to model PZT patch (10mm x 10mm x 0.3mm) bonded on a beam (700mm x 150mm x 150mm) but I am unable to perform harmonic analysis. 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