Do we have to use any joint or constrained equation command to join the beam and spring at keypoint?

- March 14, 2022 at 6:18 am
  
  ik356
  Subscriber
  
  Dear all,
  I wish to model horizontl beam and ends of horizontal beam (BEAM188) have to be connected with the springs (COMBIN14 element) and then I wish to do buckling analysis for this structure in ANSYS APDL.
  For that, I have taken 4-keyponts. The horizontal beam is connected between the keypoints 2 and 3 key points. One spring is connected between the keypoints 1 and 2, and 2nd spring is connected between the keypoints 3 and 4. Boundary conditions applied at (ALL DOF to be zero) keypoins 1 and 4. Uniformly distributed load (1 N/m) is applied on the horizontal beam.
  Do we have to use any joint type elements to join the beam and spring at keypoint ? or can we join those two without any joint or constrained equation command (CE) in ANSYS APDL?
  Kindly, someone can help me in this regard since I am new to ANSYS APDL?
- March 15, 2022 at 3:02 pm
  
  Chandra Sekaran
  Ansys Employee
  
  The spring has only one degree of freedom along its length. So at keypoints 2 and 3 the spring will be connected to the beam only in that direction. The beam will be free to move in all other DOFs.

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