Modal decomposition method for acoustic impedance testing in square ducts

2006 ◽  
Vol 120 (6) ◽  
pp. 3750-3758 ◽  
Author(s):  
Todd Schultz ◽  
Louis N. Cattafesta ◽  
Mark Sheplak
Keyword(s):  
Acoustic Impedance ◽  
Decomposition Method ◽  
Modal Decomposition ◽  
Impedance Testing ◽  
Square Ducts

scholarly journals Modal Decomposition Method for-BWR Stability Analysis

1998 ◽  
Vol 35 (8) ◽  
pp. 538-546 ◽  
Author(s):  
G. VERDÚ ◽  
D. GINESTAR ◽  
V. VIDAL ◽  
R. MIRÓ
Keyword(s):  
Stability Analysis ◽  
Decomposition Method ◽  
Modal Decomposition

New Nonlinear Modal Decomposition Method for Seismic Analysis of Tall RC Core Wall Buildings

2020 ◽  
Vol 44 (S1) ◽  
pp. 163-177
Author(s):  
Tahir Mehmood ◽  
Muhammad Irshad Qureshi ◽  
Fawad Ahmed Najam ◽  
Ahsen Maqsoom ◽  
Adnan Nawaz ◽  
...  
Keyword(s):  
Decomposition Method ◽  
Seismic Analysis ◽  
Modal Decomposition

Lamb Wave Scattering Induced by a Rectangular Hole

2012 ◽  
Vol 166-169 ◽  
pp. 254-258
Author(s):  
Fei Long Feng ◽  
Chao Lu
Keyword(s):  
Explicit Form ◽  
Lamb Wave ◽  
Wave Scattering ◽  
Decomposition Method ◽  
Numerical Models ◽  
Scattering Matrix ◽  
Rectangular Hole ◽  
Modal Decomposition ◽  
Numerical Examples

Lamb wave scattering at a rectangular hole are investigated by using modal decomposition method. Take advantage of the biorthogonality relation, the scattering matrix is derived in an explicit form. The efficacy of the method is illustrated by numerical examples. The results are compared with those gotten from numerical models and the calculation accuracy is analyzed.

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