Page 94 - 4560
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1
                                          2  ,                    (7.43)
                                          
                                   1     
                                         
                                         0 
          called the growth rate fluctuation.
                              
                With respect       1, that is, the resonance coefficient   ,
                              
                               0
          and  with  it,  and  the  amplitude  of  forced  oscillations  increases
          indefinitely. In reality, the amplitude of the forced oscillations at
          resonance does not increase indefinitely because of the resistance.
          Usually  take  these  forces  is  proportional  to  the  speed  of  the
          vibrational  motion.  Then  the  growth  rate  of  fluctuations  is
          expressed
                                        1
                                                    ,             (7.44)
                                          2
                                     2        2
                               1          2   
                                      
                                               
                                                   
                                  
                                    0         0 
          which  indicated  through     specific  rate  of  resistance  is  the
          resistance per unit volume weight at speed, which is equal to one.
                Graphs of dependence of the value    of the share   
                                                                      /
                                                                         0
          for  several  values  of  the  specific  resistance  coefficient     are
          shown in fig.7.13.





















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