%0 Journal Article %T Frecuencias propias de vigas Euler-Bernoulli no uniformes %A Aya B %A Hugo %A Cano M %A Ricardo %A Zhevandrov B %A Petr %J Ingenier¨ªa e Investigaci¨®n %D 2011 %I Universidad Nacional de Colombia %X this paper has studied the problem of natural frequencies for euler-bernoulli beams having non-uniform crosssection. the numerically-obtained solutions were compared to asymptotic solutions obtained by the wentzel-kramers-brillouin (wkb) method. it was established that wkb formula precision was higher than 3% for high frequencies (¡Ý 4 mode). %K euler-bernoulli beam %K wkb method. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-56092011000100001&lng=en&nrm=iso&tlng=en