2015
DOI: 10.1007/s11465-015-0330-5
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Dynamics of structural systems with various frequency-dependent damping models

Abstract: The aim of this paper is to present the dynamic analyses of the system involving various damping models. The assumed frequency-dependent damping forces depend on the past history of motion via convolution integrals over some damping kernel functions. By choosing suitable damping kernel functions of frequency-dependent damping model, it may be derived from the familiar viscoelastic materials. A brief review of literature on the choice of available damping models is presented. Both the mode superposition method … Show more

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Cited by 29 publications
(13 citation statements)
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“…The damping factors have been obtained using half power bandwidth method. Li et al [13] have presented the dynamic analyses of the system using various damping models. The damping forces are frequency dependent and depend upon the past history of motion.…”
Section: Review On Viscoelastic Dampingmentioning
confidence: 99%
See 1 more Smart Citation
“…The damping factors have been obtained using half power bandwidth method. Li et al [13] have presented the dynamic analyses of the system using various damping models. The damping forces are frequency dependent and depend upon the past history of motion.…”
Section: Review On Viscoelastic Dampingmentioning
confidence: 99%
“…In Eqs. (12) and (13), σ = stress within the viscoelastic element of length dx and area dA, ϵ = strain within the viscoelastic element, η = dynamic viscosity of the viscoelastic material and A = total cross-sectional area of the 12and (13) and the principle of minimum potential energy used for finite element formulation [48], the stiffness matrix for viscoelastic material can be formulated as given in Eq. (9).…”
Section: Formulation Of Mass Damping and Stiffness Matricesmentioning
confidence: 99%
“…The equations of motion describing an N degree-of-freedom (DOF) linear viscoelastic system with various damping models can be expressed by [46] …”
Section: Preliminary Concepts and Definitionsmentioning
confidence: 99%
“…Also, some researchers studied the frequency-dependent damping functions via fractional derivative models [51][52][53][54] (see e.g., references [46,55] for further reading). The eigenvalue problem of Eq.…”
Section: Preliminary Concepts and Definitionsmentioning
confidence: 99%
“…Although the exponential damping model, Biot model, GHM model and ADF model are physically different, they can be mathematically represented by a friction formula of rational polynomials [31]. The uniform way to express damping models can simplify the theoretical analysis of dynamic responses and be applied conveniently in multiple damping models.…”
Section: Introductionmentioning
confidence: 99%