Equivalent material modelling of sandwich beams, evanescent solutions and damping investigations

Sophie De Rijk; Eugéne Nijman

doi:10.1016/j.jsv.2016.06.033

Equivalent material modelling of sandwich beams, evanescent solutions and damping investigations

Sophie De Rijk, Eugéne Nijman

Working Group areaC

Research output: Contribution to journal › Article › peer-review

Abstract

A novel method for representing the transverse vibrations of sandwich beams as equivalent Timoshenko beams is developed. Special attention is given to damping modelling together with the evanescent parts of the solutions to assert applicability of the approach to any boundary conditions. Shear stiffness is evaluated based on current knowledge. The latter is then used to update the reference theory for vibrations in sandwich beams. Analytical case studies are presented to show the performance and limitations of the method and compared with experimental data.

Original language	English
Pages (from-to)	291-309
Journal	Journal of Sound and Vibration
Volume	382
DOIs	https://doi.org/10.1016/j.jsv.2016.06.033
Publication status	Published - 26 Jul 2016

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10.1016/j.jsv.2016.06.033

Cite this

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title = "Equivalent material modelling of sandwich beams, evanescent solutions and damping investigations",

abstract = "A novel method for representing the transverse vibrations of sandwich beams as equivalent Timoshenko beams is developed. Special attention is given to damping modelling together with the evanescent parts of the solutions to assert applicability of the approach to any boundary conditions. Shear stiffness is evaluated based on current knowledge. The latter is then used to update the reference theory for vibrations in sandwich beams. Analytical case studies are presented to show the performance and limitations of the method and compared with experimental data.",

author = "{De Rijk}, Sophie and Eug{\'e}ne Nijman",

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AU - Nijman, Eugéne

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N2 - A novel method for representing the transverse vibrations of sandwich beams as equivalent Timoshenko beams is developed. Special attention is given to damping modelling together with the evanescent parts of the solutions to assert applicability of the approach to any boundary conditions. Shear stiffness is evaluated based on current knowledge. The latter is then used to update the reference theory for vibrations in sandwich beams. Analytical case studies are presented to show the performance and limitations of the method and compared with experimental data.

AB - A novel method for representing the transverse vibrations of sandwich beams as equivalent Timoshenko beams is developed. Special attention is given to damping modelling together with the evanescent parts of the solutions to assert applicability of the approach to any boundary conditions. Shear stiffness is evaluated based on current knowledge. The latter is then used to update the reference theory for vibrations in sandwich beams. Analytical case studies are presented to show the performance and limitations of the method and compared with experimental data.

U2 - 10.1016/j.jsv.2016.06.033

DO - 10.1016/j.jsv.2016.06.033

M3 - Article

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EP - 309

JO - Journal of Sound and Vibration

JF - Journal of Sound and Vibration

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