Numerical modelling of sandwich panels with a non-continuous soft core

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Abstract

The paper presents the problem of static analysis of sandwich structures with a non-continuous soft core. In the numerical 3D FE models, the core is divided into separated parts. The contact between these parts has the form of unilateral constraints. The model also allows for local debonding of the facing and local imperfections of sandwich panel geometry. Particular attention is paid to the problem of local instability of the facing that is compressed during bending. The phenomenon of progressive damage and the influence of non-continuity of the core on the structural behavior of the sandwich panel is also discussed.

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APA

Pozorska, J. (2018). Numerical modelling of sandwich panels with a non-continuous soft core. In MATEC Web of Conferences (Vol. 157). EDP Sciences. https://doi.org/10.1051/matecconf/201815706007

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