Table 5 Inversion results using the input data of a cross-ply 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

130.2

1.17

130.8

1.63

c12

3.04

2.49

18.10

2.64

13.16

c22

10.67

9.95

6.75

10.15

4.87

c66

5.97

6.11

2.35

5.89

1.34

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