# i nclude<stdio.h> d3J_IW+8R$
# i nclude<stdio.h> =WRU<`\
# i nclude<math.h> f]65iE?x
#define PI 3.1415926 4zDAfi#0
void ydgl(); e>9{36~jh
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; d?X6x
int f; &Zy=vk*
main() =QO[zke:
{ printf("Determaination the prime circle of cam\n"); wyEgm:Vt
printf("----------------------------\n"); M\4;d #
printf( "input ro=");scanf("%f",&ro); -2Cf)>`v
printf("input h=");scanf("%f",&h); o5@P>\u>
printf("input e=");scanf("%f",&e); Jm,X~Si
printf("input dt0=");scanf("%f",&dt0); 6Tmb@<I_
am=0;p=PI/180; 6]49kHgMhe
printf("The initial data:ro=%f\n",ro); CP#MNNvgrw
printf("h=%f e=%f dt0=%f\n",h,e,dt0); p<['FRf"
do zszx@`/3
{ro=ro+5; U>jk`?zW
for(f=0;f<=dt0;f=f+2) MpvA--
{d=PI*f/dt0; &b8D'XQu
ydgl(); 'MlC
1HEp
} g7yHhF>%X
} #$)rwm.jW?
while(am>30*p); ,IB)Kk2
printf("The intermediate results: am=%f\n",am/p); `g1~ya(MC
printf("ro=%f\n",ro); ?kefRev<#h
do v@SrEmg
{ro=ro-1; k~F/Ho+R&
if(ro<e) 3`q`W9
break; `W S
DQQjx>CK
for(f=0;f<=dt0;f=f+2) . M$D
{d=PI*f/dt0; Qt39H@c|z~
ydgl(); haK5Oe/cE
} 0R%58,R
} ,gD i)]
while((am>30*p)||(am<=29.5*p)); 8{e 3
printf("The final results:max alfa=%f\n",am/p); {<8#T`I
printf(" min ro=%f\n",ro); py4_hj\v
getch(); tTamFL6
} _/\H3
void ydgl() 8R D)yRJ
{ d0=dt0*p; :AGQkJb
s=0.5*h*(1-cos(d)); :M`BVZ1t
ds=0.5*h*PI*sin(d)/d0; K.zs;^
r=sqrt(ro*ro-e*e); }H.vH
if((s+r)==0) ,FO|'l
return; bm?TMhC
al=atan((ds-e)/(s+r)); AV!
cCQ
if(al>am) gC 4#!P
am=al; dj]N59<
}