Optimization of an absorbing surface with 2D Helmholtz resonators for reduced sensitivity to the incidence angle

Keyphrases

• Reduced Sensitivity 100%
• Incidence Angle 100%
• Absorbing Surface 100%
• Coefficient Value 100%
• Helmholtz Resonator 100%
• Structure Optimization 50%
• Periodic Array 50%
• Resonator 50%
• Large Degree 50%
• Density-based Topology Optimization 50%
• Geometrical Features 50%
• Angle Dependence 50%
• Attractive Solutions 50%
• Absorption Coefficient 50%
• Initial Surface 50%
• Low-frequency Sound 50%
• Dependent Behavior 50%
• Periodic Arrangement 50%
• Acoustic Performance 50%
• Space Constraints 50%
• Acoustic Materials 50%
• High Absorption Coefficient 50%
• Sound Control 50%

Engineering

• Absorbing Surface 100%
• Absorption Coefficient 100%
• Helmholtz Resonator 100%
• Incidence Angle 100%
• Constraint Space 50%
• Acoustic Performance 50%
• Resonator 50%
• Dependent Behavior 50%

Material Science

• Resonator 100%
• Density 33%