{"id":387507,"date":"2024-09-30T10:55:05","date_gmt":"2024-09-30T10:55:05","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-numerical-noise\/"},"modified":"2024-09-30T10:55:05","modified_gmt":"2024-09-30T10:55:05","slug":"ansys-numerical-noise","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-numerical-noise\/","title":{"rendered":"ANSYS numerical noise"},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I&#8217;m obtaining a motor&#8217;s dq inductance matrix.&lt;\/p&gt;&lt;p&gt;Well, overall matrix trend seems good. But I need a fine data.&lt;\/p&gt;&lt;p&gt;Is there any way to reduce numerical noise? For example, changing solver.&lt;\/p&gt;&lt;p&gt;I tried to set smaller mesh at airgap surface between stator and rotor as in the piture below but it didn&#8217;t improve significantly.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727693433-mceclip1.png\" width=\"429\" height=\"336\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727693233-mceclip0.png\" width=\"410\" height=\"332\" \/>&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/30-09-2024-1727693480-mceclip2.png\" width=\"439\" height=\"285\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387507","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=\"Hi, I&#039;m obtaining a motor&#039;s dq inductance matrix.Well, overall matrix trend seems good. 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