488 O. Grim 
Representation of the Results: Figs. 1 to 24 
More convenient than the parameters a and 6b of the transformation formula are the param- 
eters H and B for the designation of the section contours: 
H = B/2T denotes the ratio of the half breadth of the profile in the waterline to the depth 
of the profile 
B = (area of the section)/BT denotes the fullness of the section profile. 
Together with the transformation formula (1) the two parameters suffice to exactly define the 
sections. 
The following results of the computations are represented in Figs. 1-24: 
For the heaving motion: R, A ,n/B, C, and A: 
R=R,+ iR; represents the total force required to produce the heaving motion (real and 
imaginary part). R is made nondimensional by the amplitude of motion and by 5B. 
SOM 
@O 
Fig. 1. Heaving motion; plot of force R for B= 0.5 
