...is found from 1 ra i; = i = 4 / z2 ds a2 -~ b2 /14 b2y2 a2(a2 -y2) dy = 4ab2 %-EJ 3e2 (A18) and EJJ are the complete elliptic integrals of the first and second kind, respectively, icre (A19) eccentricity. The following approximate expressions for P and Iy were found to give good...