CP4I

Bilinear Incompatible Quadrilateral

• Number of Nodes: 4
• Number of DoFs: 2 (Translation, Translation)
• DoF Label: U1, U2
• Integration Scheme: 2^nd Order Gauss
• Constant Consistent Mass Matrix With Same Order Integration

Syntax

element CP4I (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