1541 
to the incident wave we use the superposition integrail1 in 
the form: 
iS 
Plt) = pe Co) R(t) [pte R(t-t)Atr (115) 
The results of integration for various cases of interest are 
summarized below. (t, denotes time of maximum response) 
For n> m: 
t*/emn ,o<t<m (116) 
= t<n 
phe tin mame 
-t7A/am+Vamn) +t (f+ 2% +L)- -(du* +h +i) snsczmee 
|-At +An + dm smen<t< If 
ln = te SC 14 nd) (117) 
Forn<m 
tioamn 
9 o<t<h (118) 
plt)= a i Gow =)- “ae ao > n< Cem 
An, J 1). Ane 4) 
t/a Shi Sa ae 9 xc Te men 
-t (= 
‘a eae 
Neale el peace > men xt <lp 
te = Ris mJ (1+ nA) 
(219) 
For m=n 
tay * »o<t<m 
alee oe fae. 
ple) 4-248, + sha) tr) - (Ao) met com 
[At + Bam > Qm<t < /; 
~ 65 - 
