Considerations on several approximate methods for the evaluation of adequate attenuation systems

Octavian Dinu

Abstract


Using a system with two degrees of freedom and one with three degrees of freedom it is determined the response of the systems using the β method of Newmark, the method of the central differences, methods of approximating the solution, by polynoms of the third degree and a method iteratively residual. The results are compared on the basis of the relative deviation for each point and on the basis of the average of the irregularity.

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