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Numerical Method to Calculate Low-Frequency Sound Field in Non-anechoic Pools
DEStech Transactions on Computer Science and Engineering
A numerical method of low-frequency sound field calculation in non-anechoic pools with impedance boundary based on finite element software ACTRAN is proposed in this paper. A virtual Kundt's tube is established in ACTRAN to obtain the normal incidence surface impedance of non-anechoic pools' walls. The normal incidence surface impedance is then added to the surface of fluid domain to simulate the sound field boundary of non-anechoic pools. The numerical results are obtained by computing thedoi:10.12783/dtcse/pcmm2018/23678 fatcat:myuez6r5bvarhmaxhbtrgeenka