Table 5 Input parameters with their levels.

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

S.No.

Parameters

Levels

 

1 st level

2nd level

3rd level

4th level

5th level

1

Core thickness

2

4

6

8

10

2

Skin thickness

0.5

1.0

1.5

2.0

2.5

3

Core loss factor

0.2

0.4

0.6

0.8

1.0

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