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- The y Coordinate of Ray at x = 2, Phase Function S (0) 



and the Starting Point of Elementary Wave, x of a 



Wigley Hull (b = 0.2) 7 11 



9 - y (x = 2), S 2 (6 00 ), and -x of a Wigley Hull 



(b = 0.1, h = 0.0625) 11 



10 - S (6^), and -x ± of a Wigley Hull (b = 0.2, 



h = 0.0625) with and without Bulb 



(r v = 0.0285h, z. = 0.7h) 12 



b ± 



11 - Ray Paths of Stern Waves of a Wigley Hull 



(b = 0.2, h = 0.0625) 12 



12 - Wave Resistance of the Wigley Ship (b = 0.2, 



h = 0.0625) 13 



