{"id":309645,"date":"2023-10-02T10:26:23","date_gmt":"2023-10-02T10:26:23","guid":{"rendered":"\/forum\/forums\/topic\/use-of-impedance-boundary-in-eddy-current-with-system-coupling\/"},"modified":"2023-10-02T10:26:23","modified_gmt":"2023-10-02T10:26:23","slug":"use-of-impedance-boundary-in-eddy-current-with-system-coupling","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/use-of-impedance-boundary-in-eddy-current-with-system-coupling\/","title":{"rendered":"Use of Impedance boundary in Eddy Current with System Coupling"},"content":{"rendered":"<p class=\"MsoNormal\"><span lang=\"EN-US\">Hi. I am trying to set up a System Coupling case using 3D Maxwell (Eddy Current) and Fluent to simulate a transient process of induction heating. I have tried the Bar and Coil tutorial, and everything works fine with it. However, i<\/span><span lang=\"EN-US\">n my particular case, instead of solving the electromagnetic field inside the volume I use an impedance boundary condition on the heated (flat) surface, which is much faster and gives accurate results. I expect Maxwell to export the surface loss density on the heated surface as an output to Fluent, but this is not happening.&nbsp;<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">When I look at the .scp file to check what variables and regions are exchanged between Maxwell and System Coupling, I see no surfaces among the regions, which indicates that the surface loss density is actually not being exported from Maxwell Eddy Current to Fluent. My understanding from System Coupling Users Guide is that the surface heat loss should be exported (see figure below), so I&nbsp;wonder if this is a program&#8217;s bug.&nbsp; <br \/><\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\">Am I missing something? Any idea on why this is happening?&nbsp;<\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"EN-US\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/10\/02-10-2023-1696240805-Screenshot 2023-10-02 115926.png\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/10\/02-10-2023-1696242134-Screenshot 2023-10-02 121903.png\" alt=\"\"><\/span><\/p>\n","protected":false},"template":"","class_list":["post-309645","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi. I am trying to set up a System Coupling case using 3D Maxwell (Eddy Current) and Fluent to simulate a transient process of induction heating. I have tried the Bar and Coil tutorial, and everything works fine with it. 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I have tried the Bar and Coil tutorial, and everything works fine with it. 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I am trying to set up a System Coupling case using 3D Maxwell (Eddy Current) and Fluent to simulate a transient process of induction heating. I have tried the Bar and Coil tutorial, and everything works fine with it. 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I am trying to set up a System Coupling case using 3D Maxwell (Eddy Current) and Fluent to simulate a transient process of induction heating. I have tried the Bar and Coil tutorial, and everything works fine with it. 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