Modelling of the stiffness evolution of truss core structures damaged by plastic buckling

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F15%3A00450239" target="_blank" >RIV/68081723:_____/15:00450239 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.finel.2015.02.006" target="_blank" >http://dx.doi.org/10.1016/j.finel.2015.02.006</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.finel.2015.02.006" target="_blank" >10.1016/j.finel.2015.02.006</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Modelling of the stiffness evolution of truss core structures damaged by plastic buckling

Popis výsledku v původním jazyce

A finite element study based on 1D beam element model is performed in order to investigate the mechanical behavior of an elasto-plastic beam loaded in axial compression over its buckling limit. The mode of loading is related to the damage of truss-coredbeams in truss-cored laminates. The analysis takes into account the effects of geometry and material properties. The results of the FEM analysis are used for developing a simple mechanical model based on the basic Euler-Bernoulli beam theory and accountsfor the beam compressibility. The model uses phenomenological functions containing parameters related to the basic material and geometrical properties. The presented model is developed in the form of closed solution which does not require complex numerical methods or extensive parametric studies. Predictions of the compressive stiffness degradation of truss-cored composites are made with the proposed model and compared with the results of FEM simulations. The error of the stiffness pred

Název v anglickém jazyce

Modelling of the stiffness evolution of truss core structures damaged by plastic buckling

Popis výsledku anglicky

A finite element study based on 1D beam element model is performed in order to investigate the mechanical behavior of an elasto-plastic beam loaded in axial compression over its buckling limit. The mode of loading is related to the damage of truss-coredbeams in truss-cored laminates. The analysis takes into account the effects of geometry and material properties. The results of the FEM analysis are used for developing a simple mechanical model based on the basic Euler-Bernoulli beam theory and accountsfor the beam compressibility. The model uses phenomenological functions containing parameters related to the basic material and geometrical properties. The presented model is developed in the form of closed solution which does not require complex numerical methods or extensive parametric studies. Predictions of the compressive stiffness degradation of truss-cored composites are made with the proposed model and compared with the results of FEM simulations. The error of the stiffness pred

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JI - Kompositní materiály

OECD FORD obor

—

Projekt

<a href="/cs/project/EE2.3.20.0197" target="_blank" >EE2.3.20.0197: Víceoborový výzkumný tým v oblasti designu materiálů a jeho zapojení do mezinárodní kooperace</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Finite Elements in Analysis and Design

ISSN

0168-874X

e-ISSN

—

Svazek periodika

100

Číslo periodika v rámci svazku

AUG

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

11

Strana od-do

1-11

Kód UT WoS článku

000352222600001

EID výsledku v databázi Scopus

2-s2.0-84925583673