A Comparative Study on Acoustic Optimization and Analysis of CLD/Plate in a Cavity Using ESO and GA

Table 1

Geometrical and physical parameters for closed acoustic cavity.

	Young’s modulus	Density	Poisson’s ratio	Thickness
Base plate	MPa	2800 kg/m^3	0.3	0.8 mm
Damping layer	120 MPa	1200 kg/m^3	0.495	0.1 mm
Constrained layer	MPa	2700 kg/m^3	0.3	0.1 mm
Cavity dimensions	0.3 m × 0.3 m × 0.3 m
CLD/plate dimensions	0.3 m × 0.3 m
Fluid domain	Air at 25°C and 1 atm