5 100 





















































































































































































































































. 





























) 









































c 



:i ^ = 

 ) n = 



3 M = 

 ] M = 



7m = 



0.05 ~i 













PI 













c 



D.l 











1 



1 \ 













c 



D.5 













1 1 













: 

 / 



1.0 



1 











1 



1 1 













X 



5.0 











1 



Ia' 



i 



























1) 



k 





\ 





















/ 



A 



\\ 



IC 



\ 



















1 / / 



1 



V y 



\ \ 













f\ 









/ 



>// 



1 



\/\ 



.V ' 



I 









i 



^ \ 









/ 



// 



1 



/V 



^\ 



\, 









1 



\ 









A 



r/ 



1 



/ 



k^^ 



lA, 









1 A 



\ 









// 



/y 



* y 



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/ 



A 



[ 



\ 





( 



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/, 



/ 







^ 



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y 



V 



\ 





A 



f^^ 



'/ 



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t 





^ 





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k 



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0.277 0.47T 0.67T 0.87T 1.07T 1.277 



Nondimensional Frequency, tiJ' = \ — j — ) 



Figure 15. Variation of normalized maximum dynamic stress, I^Lqx ' 

 nondimensional frequency, oo', for /3 = 0.10 over the range 

 7t/10 ^ co' ^ 1.477 for values of \i as indicated. 

 37 



/ith 



