{"id":165271,"date":"2023-03-17T08:59:54","date_gmt":"2023-03-17T08:59:54","guid":{"rendered":"\/knowledge\/forums\/topic\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\/"},"modified":"2023-07-31T12:30:56","modified_gmt":"2023-07-31T12:30:56","slug":"what-material-properties-are-required-for-an-electric-field-analysis-using-solid231","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\/","title":{"rendered":"What material properties are required for an electric field analysis using SOLID231?"},"content":{"rendered":"<p>If you run a static electric field analysis using SOLID231 elements, you are performing a &#8220;pure&#8221; electric conduction analysis.  Thus, permittivity is not used and only resistivity is required.  SOLID231 cannot be used to calculate a static electric field in a dielectric.  The resistivity is specified using the MP command.  If you run a transient or harmonic electric field analysis using SOLID231 elements, both the permittivity and the resistivity are required, because both the conductive and the capacitive damping effects are included in the analysis.  The resistivity and relative permittivity are specified using the MP command.  The free-space permittivity for the model&#8217;s unit system is specified using the EMUNIT command.<\/p>\n","protected":false},"template":"","class_list":["post-165271","topic","type-topic","status-publish","hentry","topic-tag-4877","topic-tag-mechanical-apdl-f-ansys","topic-tag-mems","topic-tag-multiphysics-and-emag-apdl","topic-tag-structural-mechanics"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"If you run a static electric field analysis using SOLID231 elements, you are performing a &quot;pure&quot; electric conduction analysis. Thus, permittivity is not used and only resistivity is required. SOLID231 cannot be used to calculate a static electric field in a dielectric. The resistivity is specified using the MP command. If you run a transient\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"What material properties are required for an electric field analysis using SOLID231? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"If you run a static electric field analysis using SOLID231 elements, you are performing a &quot;pure&quot; electric conduction analysis. Thus, permittivity is not used and only resistivity is required. SOLID231 cannot be used to calculate a static electric field in a dielectric. The resistivity is specified using the MP command. If you run a transient\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T08:59:54+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:30:56+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"What material properties are required for an electric field analysis using SOLID231? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"If you run a static electric field analysis using SOLID231 elements, you are performing a &quot;pure&quot; electric conduction analysis. Thus, permittivity is not used and only resistivity is required. SOLID231 cannot be used to calculate a static electric field in a dielectric. The resistivity is specified using the MP command. If you run a transient\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/#listItem\",\"name\":\"structural-mechanics\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/#listItem\",\"position\":3,\"name\":\"structural-mechanics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\\\/#listItem\",\"name\":\"What material properties are required for an electric field analysis using SOLID231?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\\\/#listItem\",\"position\":4,\"name\":\"What material properties are required for an electric field analysis using SOLID231?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/structural-mechanics\\\/#listItem\",\"name\":\"structural-mechanics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-material-properties-are-required-for-an-electric-field-analysis-using-solid231\\\/\",\"name\":\"What material properties are required for an electric field analysis using SOLID231? | Ansys Knowledge\",\"description\":\"If you run a static electric field analysis using SOLID231 elements, you are performing a \\\"pure\\\" electric conduction analysis. 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