Question

知道弧长和弓高用cad怎样算出半径

Answer 1

知道弧长C和弓高H用cad怎样算出半径R?

Rn+1=(1-(Rn*COS(C/(2*Rn))-Rn+H)/((C/2)*SIN(C/(2*Rn))-H))*Rn

取R0,代入上式,得R1

取R1,代入上式,得R2

取R2,代入上式,得R3

.

直至Rn+1与Rn很接近,则R=Rn