where
Display Formula

(A2)$S\u02d90rr,r=B1111,rur,r+B1111ur,rr+B1122,r1r(u\theta ,\theta +ur)\u2212B11221r2(u\theta ,\theta +ur)+B11221r(u\theta ,\theta r+ur,r)+p,rur,r+pur,rr\u2212p\u02d9,rS\u02d90\theta r,\theta =B2121,\theta 1r(ur,\theta \u2212u\theta )+B21211r(ur,\theta \theta \u2212u\theta ,\theta )+B2112,\theta u\theta ,r+B2112u\theta ,r\theta +p,\theta u\theta ,r+pu\theta ,r\theta S\u02d90r\theta ,r=B1212,ru\theta ,r+B1212u\theta ,rr+B1221,r1r(ur,\theta \u2212u\theta )\u2212B12211r2(ur,\theta \u2212u\theta )+B12211r(ur,\theta r\u2212u\theta ,r)+p,r1r(ur,\theta \u2212u\theta )\u2212p1r2(ur,\theta \u2212u\theta )+p1r(ur,\theta r\u2212u\theta ,r)S\u02d90\theta \theta ,\theta =B2211,\theta ur,r+B2211ur,r\theta +B22221r(u\theta ,\theta \theta +ur,\theta )+B2222,\theta 1r(u\theta ,\theta +ur)+p1r(u\theta ,\theta \theta +ur,\theta )+p,\theta 1r(u\theta ,\theta +ur)\u2212p\u02d9,\theta $