Căutare 2010 fascicula14 nr1 după Subiect "mechanical system"
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The Analytical Exact Solutions of Non-Linear Differential Equations Which Describe the Parametric Free Vibrations of Mechanical Systems
(Universitatea "Dunărea de Jos' din Galați, 2010)The movements of many material systems can be described by differential equations that have coefficients that depend on time. It is difficult to determine the solutions of these equations. Although many concrete problems ...