{"id":440889,"date":"2025-09-05T16:55:07","date_gmt":"2025-09-05T16:55:07","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calc-error-in-field-calculator-after-pyaedt-analyze\/"},"modified":"2025-09-05T16:55:07","modified_gmt":"2025-09-05T16:55:07","slug":"calc-error-in-field-calculator-after-pyaedt-analyze","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calc-error-in-field-calculator-after-pyaedt-analyze\/","title":{"rendered":"Calc Error in Field Calculator after PyAEDT Analyze"},"content":{"rendered":"<p>&lt;p data-start=&#8221;228&#8243; data-end=&#8221;434&#8243;&gt;I&rsquo;ve been working on a simple simulation in Ansys Maxwell 3D and automating a parameter sweep with PyAEDT. The setup works fine, and when I use &lt;code data-start=&#8221;372&#8243; data-end=&#8221;397&#8243;&gt;Maxwell3d.analyze_setup<\/code>, the simulation runs successfully.&lt;\/p&gt;&lt;p data-start=&#8221;436&#8243; data-end=&#8221;777&#8243;&gt;The problem appears later, during post-processing. Specifically, when I perform calculations with the Field Calculator (e.g., computing the current), I get a &lt;em data-start=&#8221;594&#8243; data-end=&#8221;606&#8243;&gt;Calc Error<\/em>. However, if I run the &lt;strong data-start=&#8221;630&#8243; data-end=&#8221;641&#8243;&gt;Analyze<\/strong> step manually in the GUI by clicking &lt;em data-start=&#8221;679&#8243; data-end=&#8221;688&#8243;&gt;Analyze<\/em> and then use the Field Calculator, the calculation works correctly without any errors.&lt;\/p&gt;&lt;p data-start=&#8221;779&#8243; data-end=&#8221;858&#8243;&gt;I&rsquo;d appreciate any guidance on why this happens or how to resolve it. Thanks!&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-440889","topic","type-topic","status-publish","hentry","topic-tag-maxwell-postprocessing-1","topic-tag-3d-maxwell-simulation","topic-tag-ansys-maxwell","topic-tag-ansys-maxwell-3d","topic-tag-ansys-maxwell-electronics-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I\u2019ve been working on a simple simulation in Ansys Maxwell 3D and automating a parameter sweep with PyAEDT. The setup works fine, and when I use Maxwell3d.analyze_setup, the simulation runs successfully.The problem appears later, during post-processing. 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