Changing Element Type from Shell 181 to Shell 281 on existing mesh

- June 2, 2021 at 6:32 pm
  
  twscfltx
  Subscriber
  
  Is it possible to change from Shell 181 to Shell 281 on existing mesh? I've tried EMODIF and receive error of Element 1 has an undefined node number 0. Not sure how to or if I can change mesh to quadratic, or if I have to remesh.
- June 3, 2021 at 6:17 am
  
  Erik Kostson
  Ansys Employee
  
  It is better to remesh - if you are using WB/Mech., the use a quadratic mesh option (element order), or in apdl before meshing (AMESH command), issue type,type number for el. 281.
  
  all the best
  
  Erik
- June 3, 2021 at 7:41 am
  
  1shan
  Ansys Employee
  
  Have a look at /forum/discussion/5082/error-in-changing-element-type. Use "et,matid,281" and change the element order to quadratic.
  Regards Ishan.
- June 3, 2021 at 10:05 am
  
  twscfltx
  Subscriber
  
  I saw that discussion for workbench. How do you change the element order in apdl or mechanical classic? Thank you in advance.
- June 3, 2021 at 10:09 am
  
  Erik Kostson
  Ansys Employee
  
  @twscfltx
  it is best to mesh straightaway with 281 elements as we said so:
  
  et,1,281
  type,1
  
  ... add sections, mp,..
  AMESH, ! mesh areas
  /SOLU
  ....
  
  and the mesh will be using 281 elements.
  
  All the best