CONTENTS 



APPENDIX Page 



A- LEAST SQUARES ANALYSIS OF EXPERIKENTAL DATA 125 



B COMPUTER PROGRAf.l FOR VERTICAL LEAST SQUARES ANALYSIS 



(TWO-DIMENSIONAL DATA) 140 



C COMPUTER PROGRAM FOR VERTICAL LEAST SQUARES ANALYSIS 



(THREE-DIMENSIONAL DATA) 144 



D COMPUTER PROGRAIvI FOR HORIZONTAL LEAST SQUARES ANALYSIS 



(TWO-DIMENSIONAL DATA) 149 



E TABULATED VERTICAL FORCE DATA FROM TWO-DIMENSIONAL 



EXPERIMENTS 153 



F TABULATED VERTICAL FORCE DATA FROM THREE-DIMENSIONAL 



EXPERIMENTS 158 



G TABULATED HORIZONTAL FORCE DATA FROM TWO-DIMENSIONAL 



EXPERIMENTS 176 



TABLE 



Estimated accuracy of experimental measurements 59 



FIGURES 



1 Change in lift with increasing velocity 21 



2 Change in lift force with passing wave crest 23 



3 Lift force phenomenon 25 



4 Change in lift force record for increasing bottom clearance .... 27 



5 Definition sketch _. . 29 



6 Definition of lift force parameters 31 



7 Comparison of linear and Stokes' third-order theories: Simultaneous 



shift of lift force record as cf) increases from 0° to 90° and k 

 increases from to 1 with increasing bottom clearance 34 



8 Comparison of lift force extreme cases for linear and Stokes' third- 



order theories 35 



9 Force meter and support 38 



