60 



ACKNOWLEDGMENT 



The authors are indebted to Dr. W. S. Saric for 

 many valuable comments. This work was supported 

 by the NASA Langley Research Center Under Grant 

 No. NSG 1255. 



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APPENDIX I 



ai2 = 1 



_ ipoaoR 



32 1 



(Uo - — ) + a 





, - PoR 3Uo . /I 9)Jo h 3po 



, _ iapR 

 024 — 



Po 



hap dpo 

 Po dTo 



(\i !^) J_ 3_ f duo 3Uo 

 ^^° ■ ao^ ■ Po 3y ^dTo 3y 



326 - 



1 dyp 3Up 



Pp dip 3y 

 331 = - lap 



-, _ lap dpp /,. 0) , 



