{"id":179700,"date":"2023-09-22T11:02:00","date_gmt":"2023-09-22T11:02:00","guid":{"rendered":"\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/"},"modified":"2024-01-15T09:26:45","modified_gmt":"2024-01-15T09:26:45","slug":"what-are-the-default-boundary-conditions-in-different-solvers","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/","title":{"rendered":"What are the default boundary conditions in different solvers?"},"content":{"rendered":"<p>In 2D:   Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed).  Boundaries between the objects: So called natural boundary condition is applied by default &#8211; normal component of B is continuous over the interface in magnetic solvers, and normal component of D changes by the amount of surface charge density over the interface in electric solvers.  In 3D:  Region boundaries: So called Neumann boundary condition is applied &#8211; H is tangential on the region boundaries in magnetic solvers and E is tangential on the region boundaries in electric solvers.  Boundaries between the objects: Same as in 2D.<\/p>\n","protected":false},"template":"","class_list":["post-179700","topic","type-topic","status-publish","hentry","topic-tag-4422","topic-tag-boundaries-maxwell","topic-tag-electromagnetics-electronics","topic-tag-maxwell","topic-tag-other"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/\" \/>\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 are the default boundary conditions in different solvers? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-09-22T11:02:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-01-15T09:26:45+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"What are the default boundary conditions in different solvers? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D\" \/>\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-are-the-default-boundary-conditions-in-different-solvers\\\/#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\\\/maxwell\\\/#listItem\",\"name\":\"maxwell\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/maxwell\\\/#listItem\",\"position\":3,\"name\":\"maxwell\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/maxwell\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-are-the-default-boundary-conditions-in-different-solvers\\\/#listItem\",\"name\":\"What are the default boundary conditions in different solvers?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-are-the-default-boundary-conditions-in-different-solvers\\\/#listItem\",\"position\":4,\"name\":\"What are the default boundary conditions in different solvers?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/maxwell\\\/#listItem\",\"name\":\"maxwell\"}}]},{\"@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-are-the-default-boundary-conditions-in-different-solvers\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-are-the-default-boundary-conditions-in-different-solvers\\\/\",\"name\":\"What are the default boundary conditions in different solvers? | Ansys Knowledge\",\"description\":\"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/what-are-the-default-boundary-conditions-in-different-solvers\\\/#breadcrumblist\"},\"datePublished\":\"2023-09-22T11:02:00+00:00\",\"dateModified\":\"2024-01-15T09:26:45+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"What are the default boundary conditions in different solvers? | Ansys Knowledge","description":"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/#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\/maxwell\/#listItem","name":"maxwell"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/maxwell\/#listItem","position":3,"name":"maxwell","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/maxwell\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/#listItem","name":"What are the default boundary conditions in different solvers?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/#listItem","position":4,"name":"What are the default boundary conditions in different solvers?","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/maxwell\/#listItem","name":"maxwell"}}]},{"@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-are-the-default-boundary-conditions-in-different-solvers\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/","name":"What are the default boundary conditions in different solvers? | Ansys Knowledge","description":"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/#breadcrumblist"},"datePublished":"2023-09-22T11:02:00+00:00","dateModified":"2024-01-15T09:26:45+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website","url":"https:\/\/innovationspace.ansys.com\/knowledge\/","name":"Ansys Knowledge","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Knowledge | Ansys Innovation Space","og:type":"article","og:title":"What are the default boundary conditions in different solvers? | Ansys Knowledge","og:description":"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/","article:published_time":"2023-09-22T11:02:00+00:00","article:modified_time":"2024-01-15T09:26:45+00:00","twitter:card":"summary_large_image","twitter:title":"What are the default boundary conditions in different solvers? | Ansys Knowledge","twitter:description":"In 2D: Region boundaries: No default boundary conditions, vector potential or balloon is needed. (In electric solver with voltage excitation no boundary condition needed). Boundaries between the objects: So called natural boundary condition is applied by default - normal component of B is continuous over the interface in magnetic solvers, and normal component of D"},"aioseo_meta_data":{"post_id":"179700","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-18 02:40:38","updated":"2026-07-31 03:53:01","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/maxwell\/\" title=\"maxwell\">maxwell<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tWhat are the default boundary conditions in different solvers?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/knowledge"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/"},{"label":"maxwell","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/maxwell\/"},{"label":"What are the default boundary conditions in different solvers?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-are-the-default-boundary-conditions-in-different-solvers\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"siebel_km_number":["2049182"],"_bbp_last_active_time":["13-09-2023 20:20"],"_bbp_forum_id":["27812"],"_bbp_author_ip":["23.56.168.180"],"application_name":[""],"family":["Electromagnetics & Electronics"],"km_published_date":[""],"product_version":["18-01-1900"],"_btv_view_count":["5448"]},"test":"solution"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/179700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/179700\/revisions"}],"predecessor-version":[{"id":181354,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/179700\/revisions\/181354"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=179700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}