472
Appendix A Symbols and Notations
Pc
- body density [kg o m- 3 ]
Ps
- solid particle density [kgom- 3 ]
Pw
- water density [kgom- 3 ]
rJ
-
surface tension [Nom-I]
rJ(
-
standard deviation of wave surface displacement [m]
rJo
-
shape parameter
rJt
-
water density shorthand units [kgom-3]
T
-
shear stress [N om-2]
T
-
time step [s]
TO
-
shear stress at body surface [N om-2]
II
- non-dimensional products in the Buckingham Theorem
¢
- velocity potential [ m 2 os-I]
¢
- latitude [0]
'¢
- stream function [m 2 os-I]
W
-
angular frequency [rados-I]
WE
-
frequency of the Earth's rotation [rados-I]
wp
-
peak frequency [rados-I]
~
approximately equals
curl
rotation operator
rot
rotation operator
proportional to
a
partial differential operator
\7
gradient operator
\7 2
Laplace operator
!s
imaginary part of complex quantity
R
real part of complex quantity