International Scholarly Research Notices

Research Article

A Numerical Method for Predicting Acoustical Wave Propagation in Open Spaces

Table 2

PML details for Case  1.
PML:(25), (53)
damping profile: 𝑍 𝑖 ( 𝑥 𝑖 ) = 𝜁 𝑖 ( ( 𝑥 𝑖 − 𝑏 𝑖 ) / 𝐿 𝑖 − ( s i n ( 2 𝜋 ( 𝑥 𝑖 − 𝑏 𝑖 ) / 𝐿 𝑖 ) ) / 2 𝜋 )
PML width: 𝐿 𝑖 = 1 0 , 𝑖 = 1 , 2
damping constants: 𝜁 𝑖 = 0 . 1 , 𝑖 = 1 , 2
PML nodes per side:20