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float a,b,ef,r,u,w,h,z,f; /*zÎªÌØÕ÷×迹 efΪÏà¶Ô½éµç³£Êý rΪ½éÖʵĽéµç³£Êý*/
float qiua() ; float qiub() ; float qiuef(); float qiuf(); float qiuz(); main() {
printf(\ scanf(\
u=w/h; qiua(); qiub(); qiuef() ; qiuf(); qiuz();
printf(\ getch() ; return 0;
}
float qiua() /*¼ÆËãaµÄÖµ*/ {
a=1+log((pow(u,4)+pow((u/52),2))/(pow(u,4)+0.432))/49+log(1+pow((u/18.1),3))/18.7 ;
return(a); }
float qiub() /*¼ÆËãbµÄÖµ*/ {
b=0.564*pow((r-0.9)/(r+3),0.053); return(b); }
float qiuef() /*¼ÆËãµÈЧ½éµç³£ÊýµÄÖµ*/ {
ef=(r+1+(r-1)*pow((1+10/u),-a*b))/2; return(ef); }
float qiuf() /*¼ÆËãFµÄÖµ*/ {
f=6+(2*3.1415-6)*exp(-pow(30.666/u,0.7528)); return(f); }
float qiuz() /*¼ÆËãÌØÕ÷×迹µÄÖµ*/ {
z=120*3.1415*log(f/u+sqrt(1+pow(2/u,2)))/(2*3.1415*sqrt(ef)); return(z); } 2.
#include \#include \float a,b,ef,r,u,z0,w;
float wl,wh,h,z,f,zl,zh;/*z±íʾÖÐÐĵÄ×迹ֵ*/ float t;
float qiua() ; float qiub() ; float qiuef(); float qiuf(); float qiuz(); main() {
printf(\ scanf(\
wl=0.10000; wh=10.00000; t=0.1;
while(fabs(t)>1e-3) {
u=wl/h; qiua(); qiub(); qiuef() ; qiuf(); zl=qiuz();
u=wh/h; qiua(); qiub(); qiuef() ; qiuf(); zh=qiuz();
w=(wl+wh)/2; u=w/h; qiua(); qiub(); qiuef() ; qiuf(); z=qiuz(); t=(z-z0)/z0;
if(z>z0) {
if(zh>z0) wh=w; else
wl=w; } else {
if(zl>z0) wh=w; else
wl=w; }
}
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