A Design Approach for Achieving Optimum Dynamic Properties in Elastomeric Cab and Body Mounts

Puydak, R. C.; Auda, R. S.

doi:10.4271/660439

Cited by 15 publications

(2 citation statements)

References 6 publications

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“…While there are many types of passive damper, passive variable dampers have been recently developed. Among the passive variable dampers, those with stroke and displacement/position dependent sensitivity have been studied in several works [15][16][17][18][19][20][21][22][23][24][25][26]. Fukushima et al [19] suggested that dampers should have a stroke dependent characteristic, such that for a given velocity, a longer stroke would give a greater force.…”

Section: Introductionmentioning

confidence: 99%

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Forced vibration analysis of a system equipped with the nonlinear displacement-dependent (NDD) damper

Jahanpour

Porghoveh²,

Ilbeigi³

2016

Scientia Iranica

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In this paper, the forced vibration analysis of a mass-spring system equipped with a Nonlinear Displacement-Dependent (NDD) damper is elaborated upon. To this end, the nonlinear governing di erential equation of the system is derived for two types of soft-and hard-periodic excitations. In order to obtain the displacement of the excited system, the approximate analytical solution of the governing equation is developed using the Multiple Scales Method (MSM). The proposed analytical formulations are performed for several cases of hard-and soft-excitation and are also veri ed by the numerical fourth-order Runge-Kutta method. Moreover, the performance of the NDD damper is analyzed and compared with the traditional linear damper used in both hard-and soft-excited vibration analyses. For the same external periodic force, a comparison has also been carried out between the responses of the hard-and soft-excitations. It is found that organizing the external force, based on its amplitude, into two types; soft-and hard-excitation, leads to a better estimated response in the forced vibration analysis. Moreover, the NDD damper has a superior performance in reducing vibration amplitude through tending to the steady-state solution, compared to the traditional linear damper.

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Section: Introductionmentioning

confidence: 99%

“…The general solution of Eq. (17) can be written as: u 0 = A(T 1 ; T 2 )e iT 0 + A(T 1 ; T 2 )e iT 0 :(20) It is observed that term u 0 of the response of the system is independent of the external force (see Eqs (17). and(20)).…”

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confidence: 99%