On the moving multi-loads problem in discontinuous beam structures with interlayer slip

Antonina Pirrotta, Salvatore Di Lorenzo, Salvatore Di Lorenzo, Antonina Pirrotta, Giuseppe Failla, Christoph Adam, Giuseppe Failla

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1 Citazioni (Scopus)

Abstract

This contribution proposes an efficient approach to the moving multi-loads problem on two-layer beams with interlayer slip and elastic translational supports. The Euler-Bernoulli hypothesis is assumed to hold for each layer separately, and a linear constitutive relation between the horizontal slip and the interlaminar shear force is considered. It is shown that, using the theory of generalized functions to treat the discontinuous response variables, exact eigenfunctions can be derived from a characteristic equation built as determinant of a 6 x 6 matrix. Building pertinent orthogonality conditions for the deflection eigenfunctions, a closed-form analytical response is established in the time domain. The proposed procedure is illustrated for a two-layer beam with interlayer slip, elastically supported at the center and acted upon by moving multi-loads.
Lingua originaleEnglish
pagine (da-a)2531-2536
Numero di pagine6
RivistaProcedia Engineering
Volume199
Stato di pubblicazionePublished - 2017

All Science Journal Classification (ASJC) codes

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