{"id":396855,"date":"2024-12-09T23:35:59","date_gmt":"2024-12-09T23:35:59","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-regarding-simulated-voltage-in-coupled-field-modal\/"},"modified":"2024-12-11T11:01:45","modified_gmt":"2024-12-11T11:01:45","slug":"question-regarding-simulated-voltage-in-coupled-field-modal","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-regarding-simulated-voltage-in-coupled-field-modal\/","title":{"rendered":"Question Regarding Simulated Voltage in Coupled Field Modal"},"content":{"rendered":"<p>&lt;p&gt;Good day!&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I am trying to learn the basics on how to simulate a piezoelectric energy harvester where the end result is a graph of voltage created within the piezoelectric body as a reaction to an applied force. I have tried many methods of approach such as Modal with Harmonic Response, Modal with Coupled Field Harmonic and Modal with Static Structural, but none of these have been successful as I have always ran into some error I couldn&#8217;t work out. Now, after reading through the Help Manual and what it has to offer regarding piezoelectric bodies, I tried Modal with Coupled Field Modal, and for the first time I got to complete the simulations without problems. However, the Help Manual wasn&#8217;t clear on what exactly the voltage results represent, so I have come here to ask for clarification, because I have a feeling it is still not exactly what I&#8217;m looking for; What is the electric voltage result based on, where exactly does it come from in this simulation as in what creates it? It isn&#8217;t based on an applied force, that&#8217;s for sure, since that cannot be inputted into Coupled Field Modal, but I would like to know if it&#8217;s close to that. Thanks a bunch for helping me!&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Here are a couple screenshots of my setup and settings, as well as one specific voltage simulation result on the piezoelectric body of the assembly to visualize my problem.&nbsp;&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/09-12-2024-1733787205-mceclip0.png\" width=\"742\" height=\"395\" \/>&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/09-12-2024-1733787223-mceclip1.png\" width=\"744\" height=\"395\" \/>&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/09-12-2024-1733787258-mceclip2.png\" width=\"744\" height=\"395\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396855","topic","type-topic","status-closed","hentry","topic-tag-mechanical"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Good day! I am trying to learn the basics on how to simulate a piezoelectric energy harvester where the end result is a graph of voltage created within the piezoelectric body as a reaction to an applied force. 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I am trying to learn the basics on how to simulate a piezoelectric energy harvester where the end result is a graph of voltage created within the piezoelectric body as a reaction to an applied force. I have tried many methods of approach such as Modal with Harmonic Response, Modal with Coupled Field Harmonic\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/question-regarding-simulated-voltage-in-coupled-field-modal\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-12-09T23:35:59+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-12-11T11:01:45+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Question Regarding Simulated Voltage in Coupled Field Modal | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Good day! 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