NOMENCLATURE AND LIST OF SYMBOLS'" 



a,b,c Coefficients defined in Table 4.2 



fl], bx, cx, dx Coefficients defined in Table 4.3. 



Q^ Unsteady force coefficient on a cylinder or cable vibrating in the 



cross flow direction; see equation (El. 5). 



C„/, Unsteady force coefficient on a cylinder or cable vibrating in the 



cross flow direction; see equation (El. 5). 



Q), Coo Steady drag coefficient on a vibrating (stationary) cylinder or 



cable. 



Ci Lift coefficient; see equation (El. 2) 



Cle Excitation force coefficient; see equation (2.4) 



Cr Reaction force coefficient; see equation (El. 2) 



Cre Fluid reaction (damping) force coefficient; see equation (2.5) 



D Cable diameter (m or ft) . 



/„ Natural frequency (Hz) . 



/j Strouhal frequency (Hz). 



If Modal scaling factor; see equation (2.3). 



fcj Reduced damping; see equation (2.2). 



L Cable length (m or ft) . 



m Cable physical mass per unit length (kg/m or lb„/ft). 



rrie Effective mass per unit length (kg/m or Ib^/ft); see equation 



(5.1) and example 8.3 (physical plus added mass). 



m' Cable virtual mass (physical plus added mass) per unit 



length (kg/m or lb„/ft). 



Re Reynolds number, VD/v. 



Re„ Vibration Reynolds number, fD^llv 



St Strouhal number, fsD/V. 



Other symbols not listed here are defined in Appendices A through E. 



