QE2 Mixed Four-Node Quadrilateral Element Number of Nodes: 4 Number of DoFs: 2 Supports Body Force Integration Scheme: 2nd Order Gauss Constant Consistent Mass Matrix With Same Order Integration References https://doi.org/10.1002/nme.1620381102 Syntax Text Only1 2 3 4 5element QE2 (1) (2...5) (6) [7] # (1) int, unique element tag # (2...5) int, node i, j, k, l # (6) int, material tag # [7] double, element thickness, default: 1.0