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elliptic area

- October 2, 2024 at 12:12 pm
  
  hakaera
  Subscriber
  
  How can I draw an elliptical area in Ansys apdl with major axis 20mm and minor axis 10mm. i cannot find the right command about it
- October 3, 2024 at 12:18 pm
  
  harshvardhan.negi
  Ansys Employee
  
  Hi,
  Although there is no direct command to define an ellipse in APDL, there is a command that defines an area by connecting keypoints (that can be defined by user).
  It might be helpful to check it out:
  A (ansys.com)
  
  I hope this helps.
  Regards,
  Harshvardhan
- October 3, 2024 at 1:49 pm
  
  mrife
  Ansys Employee
  
  Hi hakaera
  Please see the MAPDL Modeling and Meshing Guide, chapter 3.1 on global and local coordinate systems:
  https://ansyshelp.ansys.com/public/account/secured?returnurl=/Views/Secured/corp/v242/en/ans_mod/Hlp_G_MOD3_2.html
  You can create a local elliptical coordinate system. Then circles created are really ellipses. Alternatively you could create keypoints that follow a conic equation and then define a spline by the keypoints. It's been quite a while since I wrote this but check out https://ansys-net.svsfem.cz/macros/para-2.mac or go to ansys.net and search for 'rife' and you will find my few entries. One is on creating hyperbolas, ellipses, or parabolas.
  Mike

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