M region of x,t-plane between D and t-axis (Fig. 8 
Riemann function oy cot UW 
2 - 
wore 
P 
Q Riemann function 
S shock 
T tail of pulse 
WwW wall 
o,f defined in equations 
¥ adiabatic constant 
% ratio of the greater 
on the two sides of 
A average slope of a Q 
‘"Wroconstant in equation 
(22.3 and 22.4) 
to the lesser'effective" pressure 
a shock discontinuity 
characteristic in M 
of state s 1 atmosphere for gases, 
3 x 10° atmospheres for water 
\g density 
=Vile 
