{"id":366969,"date":"2024-05-15T15:13:53","date_gmt":"2024-05-15T15:13:53","guid":{"rendered":"\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/"},"modified":"2024-05-15T15:13:53","modified_gmt":"2024-05-15T15:13:53","slug":"possible-to-integrate-udf-source-terms-into-fluent-mhd-module","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/","title":{"rendered":"Possible to Integrate UDF source terms into FLUENT MHD module"},"content":{"rendered":"<p>Dear FLUENT support team,<\/p>\n<p>I need to include a temperature dependent Lorentz-Force terms into my momentum equations and a customized electrical conductivity UDF&nbsp; under &#8220;materials&#8221;. This magnetic force is not an external magnetic field, but rather a field induced through a current travelling between an electrode and anode.<\/p>\n<p>I was curious if it is possible to integrate this source term into the FLUENT MHD module. I also don&#8217;t see an option to alter the electrical conductivity under &#8220;materials&#8221; unless the MHD module is enabled.&nbsp;<\/p>\n<p>Currently, it seems that the .c files for modifying source terms in the FLUENT MHD module are inaccessible to users. If this is the case, does FLUENT have some starter marcros on how to integrate a customized electrical conductivity? I currently have a UDF for a time invariant source term, viscosity, thermal conductivity and constant specific heat.&nbsp;<\/p>\n<p>Thank you so much for your time<\/p>\n","protected":false},"template":"","class_list":["post-366969","topic","type-topic","status-closed","hentry","topic-tag-multiphase_models-1","topic-tag-fluent","topic-tag-mhd-1","topic-tag-mhd-model-2","topic-tag-udf"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Dear FLUENT support team,I need to include a temperature dependent Lorentz-Force terms into my momentum equations and a customized electrical conductivity UDF under &quot;materials&quot;. 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This magnetic force is not an external magnetic field, but rather a field induced through a current travelling between an electrode and anode.I was curious if it is possible to integrate\" \/>\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\\\/forum\\\/forums\\\/topic\\\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"position\":3,\"name\":\"fluent\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\\\/#listItem\",\"name\":\"Possible to Integrate UDF source terms into FLUENT MHD module\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\\\/#listItem\",\"position\":4,\"name\":\"Possible to Integrate UDF source terms into FLUENT MHD module\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\\\/\",\"name\":\"Possible to Integrate UDF source terms into FLUENT MHD module | Ansys Learning Forum\",\"description\":\"Dear FLUENT support team,I need to include a temperature dependent Lorentz-Force terms into my momentum equations and a customized electrical conductivity UDF under \\\"materials\\\". 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This magnetic force is not an external magnetic field, but rather a field induced through a current travelling between an electrode and anode.I was curious if it is possible to integrate","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/forum\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/#listItem","position":3,"name":"fluent","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/#listItem","name":"Possible to Integrate UDF source terms into FLUENT MHD module"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/#listItem","position":4,"name":"Possible to Integrate UDF source terms into FLUENT MHD module","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/possible-to-integrate-udf-source-terms-into-fluent-mhd-module\/","name":"Possible to Integrate UDF source terms into FLUENT MHD module | Ansys Learning Forum","description":"Dear FLUENT support team,I need to include a temperature dependent Lorentz-Force terms into my momentum equations and a customized electrical conductivity UDF under \"materials\". 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