Numerical solutions of the acoustic eigenvalue equation in the rectangular room with arbitrary (uniform) wall impedances

Journal of Sound and Vibration

Volumn 263, Issue 1, 2003, Pages 205-218

  Bistafa, Sylvio R ^a   Morrissey, John W ^b  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b Numerical Algorithms Grp (NAG) Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DAMPING; DIFFERENTIAL EQUATIONS; EIGENVALUES AND EIGENFUNCTIONS; ESTIMATION; INTEGRATION; MODAL ANALYSIS; NATURAL FREQUENCIES; NUMERICAL METHODS; REVERBERATION; SOUND INSULATING MATERIALS;

DAMPING CONSTANTS; SOUND ABSORBING MATERIAL; TERMINAL IMPEDANCES;

ACOUSTIC IMPEDANCE;

EID: 0037717030     PISSN: 0022460X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-460X(02)01123-9     Document Type: Article

References (7)

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3. P.M. Morse, The transmission of sound inside pipes, The Journal of the Acoustical Society of America 11 (1939) 205-210.
4. F.P. Mechel, Modal solutions in rectangular ducts lined with locally reacting absorbers, Acustica 73 (1991) 223-239.
5. R. Lippold, Numerical solution of the acoustic eigenvalue equation in the rectangular room with respect to boundaries between modes, Acustica 83 (1997) 530-534 (in German).
6. K. Bodlund, Monotonic curvature of low frequency decay records in reverberation chambers, Journal of Sound and Vibration 73 (1980) 19-29.
7. V. Easwaran, A. Craggs, An application of acoustic finite element models to finding the reverberation times of irregular rooms, Acustica 82 (1996) 54-64.