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Numerical homogenisation of micromorphic media

Ralf Jänicke (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Stefan Diebels
Technische Mechanik (0232-3869). Vol. 30 (2010), 4, p. 364-373.
[Artikel, refereegranskad vetenskaplig]

Due to their underlying microtopology, cellular materials are known to show a complex mechanical behaviour. For the material modelling, the heterogeneous microcontinuum is commonly replaced by a homogeneous macrocontinuum involving extended kinematics. An appropriate homogenisation methodology will be introduced in order to replace a heterogeneous Cauchy microcontinuum by a homogeneous micromorphic macrocontinuum. For an artificial 2-D periodic microstructure, the present contribution draws a comparison between extended two-scale calculations on the one hand, and a reference solution as well as a first-order FE2 calculation on the other hand.



Denna post skapades 2017-11-23.
CPL Pubid: 253358

 

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Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Material- och beräkningsmekanik (2005-2017)

Ämnesområden

Samhällsbyggnadsteknik
Fastkroppsmekanik

Chalmers infrastruktur