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

被引：5
作者：
Pozorska, Jolanta [1 ]
机构：
[1] Czestochowa Tech Univ, Inst Math, Armii Krajowej 21, PL-42201 Czestochowa, Poland
来源：
XXII SLOVAK-POLISH SCIENTIFIC CONFERENCE ON MACHINE MODELLING AND SIMULATIONS 2017 (MMS 2017) | 2018年 / 157卷
关键词：
sandwich panels; soft core; multi-layered structures; finite element method; unilateral contact; local instability;
D O I：
10.1051/matecconf/201815706007
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
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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页数：9
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