


{"id":388665,"date":"2024-10-08T19:31:35","date_gmt":"2024-10-08T19:31:35","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/finding-the-resistance-across-biological-material-eye-with-changing-parameters\/"},"modified":"2024-10-08T19:31:35","modified_gmt":"2024-10-08T19:31:35","slug":"finding-the-resistance-across-biological-material-eye-with-changing-parameters","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/finding-the-resistance-across-biological-material-eye-with-changing-parameters\/","title":{"rendered":"Finding the resistance across biological material (eye) with changing parameters"},"content":{"rendered":"<p>&lt;p&gt;I am attempting to calculate the resistance across an eye from an applied voltage or current to two points on top of the cornea and the results that I am recieving are eratic and inconsistent indicating that I may be running my simulations incorrectly. My simulated eye is several cyinders with their respective materials, with a pupil in the iris which changes from 1mm radius to a 4mm radius. As the pupil increases in size there will be more conductive fluid and less muscle tissue (non-conductive) in the current path which should lower the resistance of the eye.&lt;\/p&gt;&lt;p&gt;When I apply a constant current of 100mA (which is high but its just for checking resistance). The rsuslts are as follows:&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/08-10-2024-1728415490-mceclip3.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/08-10-2024-1728415720-mceclip4.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/08-10-2024-1728415743-mceclip5.png\" \/>&lt;\/p&gt;&lt;p&gt;Would anyone have any idea how to change this simulation so that the results are less speratic of is there a better way to do this other than Maxwell 3D DC Conduction?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-388665","topic","type-topic","status-publish","hentry","topic-tag-AnsysMaxwellelectronics-1","topic-tag-3d-maxwell-simulation","topic-tag-ansys-maxwell-3d"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am attempting to calculate the resistance across an eye from an applied voltage or current to two points on top of the cornea and the results that I am recieving are eratic and inconsistent indicating that I may be running my simulations incorrectly. 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