σ = {σij} (i, j = x, y, z) | Stress tensor of solid | Pa |
s = {s} | Stress tensor of liquid | Pa |
λ, μ | Transverse Lamé constants | Pa |
λ′, μ′ | Longitudinal Lamé constants | Pa |
C = λ + 2μ | A measure of the transverse stiffness | Pa |
C′ | A measure of the longitudinal stiffness | Pa |
R | A measure of water amount in porous solid under a constant pressure | Pa |
Q | Transverse coupling coefficient of the solid and fluid | Pa |
Q′ | Longitudinal coupling coefficient of the solid and fluid | Pa |
ε | Strain of fluid | * |
U = {Ux, Uy, Uz} | Fluid displacement vector | m |
e = {eij} (i, j = x, y, z) | Strain tensor of solid | * |
u = {ux, uy, uz} | Solid displacement vector | m |
gS | Body force applied on solid | N/m3 |
gF | Body force applied on fluid | N/m3 |
πS-F | Force applied on solid due to solid-fluid interaction | N/m3 |
πF-S | Force applied on fluid due to solid-fluid interaction | N/m3 |
ρS | Solid mass per unit volume of aggregate | kg/m3 |
ρF | Fluid mass per unit volume of aggregate. | kg/m3 |
ρ = ρF + ρS | Total mass per unit volume of aggregate. | kg/m3 |
β | Permeability of the porous solid. | kg/s·m3 |
ω | Fundamental frequency, | Hz |
k | Wavenumber | m-1 |
a, b | Amplitude of vibration in x, z direction. | m |
L | Vocal fold length | m |
* represent that symbol is dimensionless factor.