Table 8 Response table for Signal-to-Noise ratio for modal loss factor.

From: Modal analysis and design optimization of natural fibre-based sandwich structures for enhanced damping and stiffness

Level

Core

thickness

Skin

thickness

Core loss

factor

1

0.007060

0.007820

0.009300

2

0.012440

0.012960

0.018460

3

0.017840

0.018000

0.023680

4

0.024560

0.024200

0.023860

5

0.033040

0.031960

0.019640

Delta

0.025980

0.024140

0.014560

Rank

1

2

3

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