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Considerations on the Nonlinearity Grade of the Nonlinear Mechanical Elastic Systems
(Universitatea "Dunărea de Jos" din Galați, 2012)
The article is taking into consideration a nonlinear model for the damping,
where the damping coefficient has a polynomial variation function of the
velocity. The differential equation of the movements of the non-linear
1DOF ...
Researches on the Acoustic Treatments with Composite Materials Panels at the Frontal Loader MMT45
(Universitatea "Dunărea de Jos" din Galați, 2012)
The article presents the problem of the testing of some protective systems
made of PU foam based composite materials which can simultaneously
meet the following requirements: noise absorption for middle and high
range ...