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Time-domain impedance boundary conditions for computational aeroacoustics
1996
AIAA Journal
It is an accepted practice in aeroaeousties to characterize the properties of an acoustically treated surface by a quantity known as impedance. Impedance is a complex quantity. As such, it is designed primarily for frequencydomain analysis. Time-domain boundary, conditions that are the equivalent of the frequency-domain impedance boundary, condition are proposed. Both single frequency and model broadband time-domain impedance boundary conditions are provided. It is shown that the proposed
doi:10.2514/3.13168
fatcat:orfgu2m2czg7jabiaqwrrll7dq