Complex oscillation mechanical systems are investigated in the paper aiming at the increase of the dynamic quality of elastic mechanical systems and the time reduction of their design. As a result sensitivity functions for main indexes of the dynamic quality of dissipative elastic systems have been obtained. The method for the search of the more significant mechanisms of self-excitation of oscillations of closed dynamic systems has been developed. Some new problems, connected with the use of theoretical methods, algorithms and program complexes have been solved. Practical recommendations for the improvement of output dynamic characteristics of machine-tool industry and metallurgy objects have been given. The investigation results are being used in the calculation practice of some enterprisesAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio
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