550
APPENDIX B. SYMBOLS AND NOTATION
B.2 Greek Symbols
a - dimensionless exponent
a - empirical exponent
a - seaside structure slope angle measured from the horizontal
ot - viscous dissipation factor
ab - breaking wave angle
an - sequence of random numbers
an - relative depth of the nth component
a3n - phase shifts
- dimensionless exponent
0 - empirical exponent
0 - incident wave angle
0 - beach slope
0 - phase angle
0n - sequence of random numbers
0n - relative depth of the nth component
0\ - skewness squared
02 ~ kurtosis
7 - dimensionless exponent
7 - specific weight
7a - armor unit specific weight (= pa g)
- immersed sediment specific weight
71 - phase shift
<5 - plunger-type wave board displacement normal
to the face of board
△ - shape of armor unit
c - arbitrary incident wave phase angle
e - perturbation expansion parameter
ej, - phase angle of the ith incident wave component
(Ri
~
phase angle of the ith reflected wave component
£ - Fourier transform of E(t)
£i
- strain due to impact load