Prediction of Progressive Failure Behaviour of Composite Skewed Hypar Shells Using Finite Element Method

Table 1

Comparison of first ply failure loads for a plate.

Failure criteria	Side/thickness	First ply failure loads (Kam et al. [9]) Newton	First ply failure loads (present formulation) Newton
Maximum stress	105.26	108.26	112.14
Hoffman		106.45	104.40
Tsai-Wu		112.77	110.50
Tsai-Hill		107.06	104.40