Simulation models investigating the dynamic characteristics of shock isolators

Clasen, Michael; Sachau, Delf

doi:10.1002/pamm.202200017

Cited by 2 publications

(3 citation statements)

References 3 publications

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“…The advanced Kelvin-Voigt model, as introduced in [14], has good agreement for elastomer shockmounts and-if the parameters are properly determined-within the first two cycles of decay for wire rope shockmounts. Because this is the regime of interest in terms of shock response, this model is suitable to describe the dynamic behavior of shockmounts sufficiently.…”

Section: Advanced Kelvin-voigt Model and Parameter Identificationmentioning

confidence: 95%

“…Especially in naval applications, this dynamic method offers the advantage that the yielded characteristics rely on measurements on shock-excited rather than slowly moving objects. Based on the work presented there, a dynamic model of both wire rope and elastomer shockmounts, the advanced Kelvin-Voigt model, was developed [14], that describes the dynamic behavior of shockmounts and suits naval safety applications well.…”

Section: Introductionmentioning

confidence: 99%

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A Testbench for Measuring the Dynamic Force-Displacement Characteristics of Shockmounts

Heinemann,

Simanowski,

Clasen

et al. 2023

Vibration

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Shockmounts in naval applications are used to mount technical equipment onto the structure of naval vessels. The insulating effect against mechanical shock is important here, as it can excite the structure in the event of underwater explosions and otherwise cause damage to the equipment. Although knowledge of the dynamic properties of shockmounts is important to naval architects, the dynamic force-displacement characteristics of shockmounts are often tested and measured statically and/or in the harmonic field. Recently, an inertia-based method and a dynamic model for measuring the dynamic force-displacement characteristics of shockmounts was described. This paper presents a full description of a testbench for implementing this method. The testbench incorporates a drop table for excitation. The proposed setup can be configured for measuring the dynamic characteristics of elastomer and wire rope shockmounts, with shock loads in compression, tension, shear and roll directions. The advanced Kelvin–Voigt model for shockmounts is applied, showing that the dynamic force-displacement characteristics measured with this setup are qualified to generate model parameters for further use.

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Section: Advanced Kelvin-voigt Model and Parameter Identificationmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

A Testbench for Measuring the Dynamic Force-Displacement Characteristics of Shockmounts

Heinemann,

Simanowski,

Clasen

et al. 2023

Vibration

Self Cite

View full text Add to dashboard Cite

show abstract

“…3 . In the system, the SM is modeled with the advanced Kelvin Voigt model, a nonlinear spring-viscous damper combination, as introduced by Clasen and Sachau [ 17 ]. The SM is loaded with an inert mass.…”

Section: Methodsmentioning

confidence: 99%