Gerritsma and Beukelman 



I ^ rod /s 



5 w 10 



U) « rad /sec 



I) ^ rod/i 



Fig. 15 - Comparison of calculated and measured values 

 for a, b, A and B (whole model) 



LIST OF SYMBOLS 



^ • • • ^ \ coefficients of the motion equations (hydromechanical part), 



A ... G J 



^ • • • ^ 1 the same for a section of the ship, 

 A*...G*/ 



^ '• • • e'l the same for a cross-section of the ship, 

 A'...G'/ 



Cg Block coefficient, 

 Fn Froude number 

 F^.Fg amplitude of vertical force on a heaving or pitching ship, 



244 



