1. Reference problem#
1.1. Geometry#
Rectangular tube:
length: |
\(L={l}_{x}=1.0m\) |
height: |
\(h={l}_{y}=0.1m\) |
width: |
\(l={l}_{z}=0.2m\) |
Coordinates of the points (in \(m\)):
\(A\) |
|
|
|
||
\(x\) |
1.00 |
1.00 |
|||
\(y\) |
0.05 |
0.05 |
|||
\(z\) |
0.20 |
0.10 |
0.10 |
0.20 |
0.10 |
1.2. Material properties#
Air:
\(\rho =1.3\mathrm{kg.}{m}^{-3}\)
\(c=343.{\mathrm{m.s}}^{-1}\)
1.3. Boundary conditions and loading#
Normal incoming wave pressure |
\({P}_{i}={P}_{0}\ast {e}^{i\omega t}\) With \({P}_{0}=1.0\mathrm{Pa}\) |
Frequency |
\(f=500\mathrm{Hz}\) |
Impedance at the end \(\mathrm{CD}\) |
|