{"id":355479,"date":"2024-03-05T20:05:08","date_gmt":"2024-03-05T20:05:08","guid":{"rendered":"\/forum\/forums\/reply\/355479\/"},"modified":"2024-03-05T20:05:08","modified_gmt":"2024-03-05T20:05:08","slug":"355479","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/355479\/","title":{"rendered":"Reply To: Question regarding the auto shut off in FDTD simulation."},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;\/p&gt;&lt;p&gt;It is hard to tell if this is expected or not. For certain geometries and source parameters, the auto shutoff can drop very quickly. In others, cases when the device is operating close to the resonant wavelength, it might take much longer for the fields to decay.&lt;\/p&gt;&lt;p&gt;Do you see the expected results from your monitors? What is the mesh accuracy you are using? We usually recommend users to perform <a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360034915833-Convergence-testing-process-for-FDTD-simulations\">convergence testing<\/a> to confirm the validity of results. I will recommend you to run the simulation with increasing mesh accuracy and see if the results converge.&lt;\/p&gt;&lt;p&gt;Regards,&lt;br&gt;Amrita&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-355479","reply","type-reply","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,It is hard to tell if this is expected or not. For certain geometries and source parameters, the auto shutoff can drop very quickly. 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