B.2. GREEK SYMBOLS
551
q - string displacement as a function of x and t
q - sea surface elevation
q - mean sea surface elevation
q - nondimensional sea surface elevation
qc
- sea surface elevation of cnoidal wave
qHB2
~ sea surface elevation of higher harmonic wave
qi - discrete value of sea surface elevation
qj
- sea surface elevation of incident wave train
t)lb2
~ sea surface elevation of bound long wave
qnm ! ~ first-order sea surface elevation of two-wave group
f]nm2
~ second-order sea surface elevation of two-wave group
qrms
~ root mean squared value of sea surface elevation
qR
- sea surface elevation of reflected wave train
qi
- sea surface elevation at gauge 1
qx
- first-order sea surface elevation
772
- sea surface elevation at gauge 2
772
- second-order sea surface elevation
0 - pendulum angle
0 - bottom slope seaward of the structure
0 - phase shift due to wave reflection
0 - wave direction
0 - wave board angle from the vertical
0 - angular coordinate in cylindrical coordinate system
0 - local beach slope
0 - angle of oblique wave propagation
0C - cnoidal phase function
0m
- angle of pendulum release
0n
- discrete phase of the nth component
0x,02 ~ angle between wave crest and local depth contour
0 - temperature
Q - slope of structure
k,
— wavenumber of the second-order free wave
k
- wavenumber of a solitary wave