Author's Reply

Abstract

Finally, the boundedness of solutions for X and > in the governing equation of motion of the two dof nonlinear system considered in section 5 of reference [1], is crucial in arriving at equation (17) of reference [1]. The question, then, is: can one guarantee the boundedness of the responses of mdof nonlinear systems even if one can disregard the parametric random excitations? If the answer is a$rmative, the next logical question is: how? LETTERS TO THE EDITOR