Numerical Modelling of Compressive Charachteristics of Auxetic Structures

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21260%2F18%3A00324621" target="_blank" >RIV/68407700:21260/18:00324621 - isvavai.cz</a>

Výsledek na webu

<a href="https://ojs.cvut.cz/ojs/index.php/APP/article/view/5086" target="_blank" >https://ojs.cvut.cz/ojs/index.php/APP/article/view/5086</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.14311/APP.2018.18.0038" target="_blank" >10.14311/APP.2018.18.0038</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Numerical Modelling of Compressive Charachteristics of Auxetic Structures

Popis výsledku v původním jazyce

The paper is focused on numerical analysis of mechanical behaviour of auxetic structures with re-entrant tetrakaidecahedral unit cell subjected to uni-axial quasi-static compression. The mechanical behaviour was evaluated inversely with respect to selected geometrical parameters of the unit cell and two different loading modes. Finite element method was used for the numerical analysis of the problem. A set of fully parametric tools has been developed, which enabled automated execution and evaluation of virtual experiments. From results of the simulations, Young’s modulus, the characteristics of the Poisson’s ratio function, and the deformation energy density were estimated. The relation between these characteristics and geometry of the unit cell, particularly the re-entrant angle and the relative density, was evaluated. Results of the numerical simulations for the unit cell and representative volume element of its three-dimensional periodic assembly are presented.

Název v anglickém jazyce

Numerical Modelling of Compressive Charachteristics of Auxetic Structures

Popis výsledku anglicky

The paper is focused on numerical analysis of mechanical behaviour of auxetic structures with re-entrant tetrakaidecahedral unit cell subjected to uni-axial quasi-static compression. The mechanical behaviour was evaluated inversely with respect to selected geometrical parameters of the unit cell and two different loading modes. Finite element method was used for the numerical analysis of the problem. A set of fully parametric tools has been developed, which enabled automated execution and evaluation of virtual experiments. From results of the simulations, Young’s modulus, the characteristics of the Poisson’s ratio function, and the deformation energy density were estimated. The relation between these characteristics and geometry of the unit cell, particularly the re-entrant angle and the relative density, was evaluated. Results of the numerical simulations for the unit cell and representative volume element of its three-dimensional periodic assembly are presented.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

21100 - Other engineering and technologies

Projekt

<a href="/cs/project/EF16_019%2F0000766" target="_blank" >EF16_019/0000766: Inženýrské aplikace fyziky mikrosvěta</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název statě ve sborníku

16th Youth Symposium On Experimental Solid Mechanics

ISBN

978-80-01-06474-0

ISSN

—

e-ISSN

2336-5382

Počet stran výsledku

6

Strana od-do

38-43

Název nakladatele

Česká technika - nakladatelství ČVUT, ČVUT v Praze

Místo vydání

Praha

Místo konání akce

Traunkirchen

Datum konání akce

17. 5. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000454320800009