is-sz 



iS^AfitMlNfSrtHt W^ 



'^/ngto^' 



HYDROMECHANICS ^^ 



CYCLIC LOADING STUDIES 

 OF TWO COMPOSITE CONSTRUCTION MODELS 



AERODYNAMICS 

 O 



STRUCTURAL 

 MECHANICS 



APPLIED 

 MATHEMATICS 



ArniKjTics AND 

 /^^ RATION 



ifJAlJSRARY 



W^'ds Hole Occanographic Institution 



by 



John L. Proffitt 



STRUCTURAL MECHANICS LABC»ATORY 

 RESEARCH AND DEVELOPMENT REPORT 



.i>3 



no .1253 



August 1964 



Report 1853 



