B.l. ROMAN SYMBOLS
545
mo
total area under the energy spectrum
mi - ratio of wave height to wave board stroke
m *
- f/fo
M - mass dimension
A4 - bending moment
Ma - Mach number
n - subscript referring to the nth wave component
n - number of original variables
n - summation index
N - number of summation terms
N - prototype-to-model scale ratio of whatever variable
is given as the subscript
N - number of segments in a directional wavemaker
N3 - spectral stability number
O - order of...
p
- subscript representing prototype
p - pressure
p
- fluid pressure
p - porosity
p - probability density function
p - nondimensional pressure
Pat
- atmospheric pressure
Pmax
- maximum compression shock pressure on the wall
po
— instantaneous wave board pressure (wet on one side)
Poo
~ instantaneous wave board pressure (wet on both sides)
Pt
- theoretical maximum pressure
P
- characteristic pressure
P
- core material porosity
P
- Poisson’s ratio
Pi — a function of Fourier coefficients and time lag
Pj
- wave board inertial power
Po
- instantaneous power per unit wave board width
(wet on one side)
Poo ~ instantaneous power per unit wave board width
(wet on both sides)