Table 4 Inversion results using the input data of a unidirectional laminate from reference44.

From: Elastic constants identification for laminated composites using laser doppler vibrometry and an inversion method based on legendre orthogonal polynomial expansion

 

Specific values (GPa)

Used modes: A0 and S0

(Reference44)

Used modes: A0 and S0

(This work)

Inversion results (GPa)

Relative error

(%)

Inversion results (GPa)

Relative error

(%)

c11

128.7

129.40

0.54

129.4

0.54

c12

3.04

2.77

8.88

2.89

4.93

c22

10.67

10.64

0.28

10.70

0.28

c66

5.97

5.97

0.00

5.93

0.67