# i nclude<stdio.h> iqreIMWz
# i nclude<stdio.h> A,Wwt
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# i nclude<math.h> (y *7
g f
#define PI 3.1415926 K`{P/w
void ydgl(); ]bLI!2Kr
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 3CL/9C>
int f; 7/& i'y
main() >E;kM
B
{ printf("Determaination the prime circle of cam\n"); 'y [74?1
printf("----------------------------\n"); #>i Bu:\J
printf( "input ro=");scanf("%f",&ro); @.0>gmY;:
printf("input h=");scanf("%f",&h); _kg<K D=P
printf("input e=");scanf("%f",&e); zo6 |1xq
printf("input dt0=");scanf("%f",&dt0); * ?x$q/a
am=0;p=PI/180; S81% iz.n
printf("The initial data:ro=%f\n",ro); K|,P
printf("h=%f e=%f dt0=%f\n",h,e,dt0); =PYfk6j9
do Y3=5J\d!a
{ro=ro+5; H=RzY -\a%
for(f=0;f<=dt0;f=f+2) u1a0w
{d=PI*f/dt0; iO 9.SF0:
ydgl(); zisf8x7^W
} '9 @ S
} C~-x637/
while(am>30*p); `?f6~$1
printf("The intermediate results: am=%f\n",am/p); : fMQ,S0
printf("ro=%f\n",ro); K h&W\\K
do . );~H #
{ro=ro-1; C@ d*t?
if(ro<e) bi/ AQ^
break; J_ NY:B
P1C{G'cR
for(f=0;f<=dt0;f=f+2) iMjoa tt
{d=PI*f/dt0; -Pt.
ydgl(); 1Xzgm0OS;
} 0,~||H{
} /5:2g# S4
while((am>30*p)||(am<=29.5*p)); IUf& *'_
printf("The final results:max alfa=%f\n",am/p); 3r^Ls[ey
printf(" min ro=%f\n",ro); /Js A[}.6
getch(); 3 @a hN2
}
C 2t]
void ydgl() la4
#2>#WZ
{ d0=dt0*p; cD.afy
s=0.5*h*(1-cos(d)); corNw+|/w
ds=0.5*h*PI*sin(d)/d0; I;1W6uD=
r=sqrt(ro*ro-e*e); e~oh%l^C72
if((s+r)==0) &s6;2G&L$
return; HQ /D )D
al=atan((ds-e)/(s+r)); ) XCG4-1
if(al>am) %#t* 3[
am=al; 'h} (> %
}
