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Approximate critical curves in exponentially damped nonviscous systems

Lázaro, Mario (Elsevier, 2019-05-01)

[EN] In this paper a new approximate numerical method to obtain critical curves in exponentially damped nonviscous systems is proposed. The assumed viscoelastic forces depend on the past history of the velocity response ...
Boundaries of Oscillatory Motion in Structures with Nonviscous Dampers

Lázaro, Mario; García-Raffi, L. M. (MDPI AG, 2022-03)

[EN] In this paper, a new methodology for the determination of the boundaries between oscillatory and non-oscillatory motion for nonviscously damped nonproportional systems is proposed. It is assumed that the damping forces ...
Critical relationships in nonviscous systems with proportional damping

Lázaro, Mario; García-Raffi, L. M. (Elsevier, 2020-10-27)

[EN] Materials with time-dependent dissipative behavior currently play an important role in the design of new mechanisms for vibration control in civil, automotive, aeronautical and mechanical engineering. Damping forces ...
Exact determination of critical damping in multiple exponential kernel-based viscoelastic single-degree-of-freedom systems

Lázaro, Mario (SAGE Publications, 2019-12)

[EN] In this paper, exact closed forms of critical damping manifolds for multiple-kernel-based nonviscous single-degree-of-freedom oscillators are derived. The dissipative forces are assumed to depend on the past history ...

Mostrando ítems 1-4 de 4