{"id":455584,"date":"2026-04-01T23:17:46","date_gmt":"2026-04-01T23:17:46","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/createequationcurve\/"},"modified":"2026-04-01T23:17:46","modified_gmt":"2026-04-01T23:17:46","slug":"createequationcurve","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/createequationcurve\/","title":{"rendered":"CreateEquationCurve"},"content":{"rendered":"<p>&lt;p&gt;I am trying to create a parametric ellipse using the draw\\equation based curve along with some defined project variables. I want to simulate deforming\/squishing a coaxial cable, and how it could lead to leakage fields. I keep getting the following error when I modify the variables used to define the ellipse equation or sometimes when I try to increase the number of points:&lt;\/p&gt;&lt;p&gt;&#8221;Body could not be created for part EquationCurve1 because of invalid parameters of this part or some of its parent part\/coordinate system.&#8221;&lt;\/p&gt;&lt;p&gt;Fig. 3.&nbsp; Shows the ellipse that results from the parameters using the same equations, so I think my ellipse parameters are good. Any ideas?&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775084801-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;Fig. 1.&nbsp; Equation for ellipse upper branch, Lower branch is similar.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775084919-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;Fig. 2.&nbsp; Defined project variables.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/04\/01-04-2026-1775085267-mceclip2.png\" \/>&lt;\/p&gt;&lt;p&gt;Fig. 3.&nbsp; MATLAB plot showing original coax and deformed coax based on equation for ellipse with variables as shown in Fig. 2.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-455584","topic","type-topic","status-publish","hentry","topic-tag-maxwell"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27793"],"_bbp_topic_id":["455584"],"_bbp_subscription":["671398","15859"],"_bbp_author_ip":["2603:7080:8600:17b8:10c1:3996:be53:8aef"],"_bbp_last_reply_id":["455587"],"_bbp_last_active_id":["455587"],"_bbp_last_active_time":["2026-04-01 23:54:01"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["671398","15859"],"_btv_view_count":["19"],"_bbp_topic_status":["unanswered"]},"test":"joetab123gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/455584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/455584\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=455584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}