APPENDICES Appendix A Coefficients B1, CI and Dl. 1 BI = {n2 - 4(n2 - n1A1) (2 - 2cosh4 + tanh4sinh4) coth4 [ ;I ( 3 ( ?)I + 2n2- 1 + - - n3 1 + - (1 - cosh $)}cosech2 $ - nq where: O=&(L-l) 3 361