It is 2d as shown in attachment. Two beam connected by spring element. When beam deflect , I want spring force direction follow the deformation
*ELEMENT, TYPE=SPRING2, ELSET=elset_spring2
953, 40, 606
954, 80, 646
955, 120, 686
956, 160, 726
957, 200, 766
958, 240, 806
*SPRING...