{"id":33669,"date":"2019-03-04T15:04:44","date_gmt":"2019-03-04T15:04:44","guid":{"rendered":"\/forum\/forums\/topic\/magnetic-field-surrounding-a-wire\/"},"modified":"2019-03-04T15:04:44","modified_gmt":"2019-03-04T15:04:44","slug":"magnetic-field-surrounding-a-wire","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/magnetic-field-surrounding-a-wire\/","title":{"rendered":"Magnetic field surrounding a wire"},"content":{"rendered":"<p>Hi,<\/p>\n<p><\/p>\n<p>I&#8217;m trying to compare a simple simulation on a wire with the analytic approach. Unfortunately, no matter how fine the mesh in the simulation it doesn&#8217;t match the analytic solution. I also checked the material properties in my simulation (resistance and magnetic permeability), but those seem to be correct. I used a cylindrical 50mm long wire with a radius of 1,3mm. Therefore I could use the Biot-Savart law for straight, finite wires for my analytic approach.<\/p>\n<p><\/p>\n<p>I used the magnetostatic tool in Ansys Workbench. I know that my simulation uses Solid117 elements for the calculation, but I couldn&#8217;t find out how magnetic fields created by such elements are calculated. Pictures of the equation I used and the comparison of both magnetic fields are attached. Maybe someone has an idea and can help me out with that problem.<\/p>\n<p><\/p>\n<p>Best regards<\/p>\n<p><\/p>\n<p>Sebastian<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-33669","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&#039;m trying to compare a simple simulation on a wire with the analytic approach. 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