LIST OF SYMBOLS 



B 



Di 

 D2 

 d 



Ad^ 



E 

 Ec 



n 

 P 



Pb 



Pcb 



Pcv 

 R 



s 



Nominal outside shell radius, in. 



Buoyancy 



Outside diameter of insulation in mils 



Inside diameter of insulation in mils 



Density, Ib/ft^ 



Change in density due to pressure 



Change in density due to temperature and 

 salinity ' 



modulus of elasticity • 



Secant modulus of elasticity 



Tangent modulus of elasticity 



Excursion, ft 



Excursion force, lb 



Shell thickness, in. 



Moment of inertia of shell frame 



Effective bulk modulus of the hull = P/(V/V(, 



Effective length of cylinder, in. 



Horizontal distance between hull and any 

 intermediate catenary support buoys, ft 



a/L 



Number of lobes 



Pressure | 



Lobar buckling pressure, psi | 



Critical buckling pressure, psi 



Critical yielding pressure, psi 



Radius of frame-shell section, in. 



Local outside radius of a spherical shell, in. 



Scope of mooring leg, ft . 



S Stress in volts per mil at a point in the insulation 



r mils from the cylindrical axis 



t Temperature 



V Volume, in.^ 



Vq Initial volume at zero pressure 



AV Change in volume due to pressure, AP/K^ 



AV^ Change in volume due to temperature 



V Specific volume 



X Horizontal projection of mooring leg, ft 



V Vertical projection of mooring leg, ft 



a^y Volumetric coefficient of thermal expansion for 



the hull and its material 



Oy Yield stress, psi 



/i Poisson's ratio 



T Point in the cable insulation measured from the 



cylindrical axis of the cable 



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