Analysis Used in Submerged Body Research 395 
Pure Heaving Synchronous Switch 
F'wd 270° 
SZ 
%=0 
Z=W= wa COS wt=W, cos wt 
oo e 2 . 2 ° 
Z=w=- W404 Sin wt =— Wo SIN wt 
2,72. Sin Wt-%) =(Z, cos ¢) sinut 
-(Z_ sind)cos wt ='Z,, sinwt+ Z,,, cosut 
wT 
Zin? S° z| | % sin(wt-¢) d(wt)— 
em 
f Zosin(ot—sacr) | = Z, cos > 
Tv 
1, 
Zo Eo | [2 sin(ut—¢) d(wt)— 
3/57 
J sinwt+d)d(wt) + 
27 
f Z,sin(wt- ¢) d ot | -Z,sing 
37 
Fig. 4. Analysis of pure heaving motion 
