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Homogenization principle based multi-scale modeling of cellular structures (CROSBI ID 167621)

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Loehnert, Stefan ; Krstulović-Opara, Lovre ; Vesenjak, Matej ; Mueller-Hoeppe, Dana Homogenization principle based multi-scale modeling of cellular structures // Journal of the Serbian Society for Computational Mechanics, 4 (2010), 2; 97-109

Podaci o odgovornosti

Loehnert, Stefan ; Krstulović-Opara, Lovre ; Vesenjak, Matej ; Mueller-Hoeppe, Dana

engleski

Homogenization principle based multi-scale modeling of cellular structures

Cellular materials are of particular importance as energy absorbers in numerous engineering applications. Due to their advanced structure the numerical modeling of cellular materials represents a particular challenge. In the presented paper the influence of a filler material on the energy absorption characteristics of open-cell cellular specimen is observed. In order to deeply investigate and compare its effect, regular open-cell cellular specimens have been used. For such two phase materials, the appropriate numerical modeling approach is homogenization of representative volume elements. The highly nonlinear material behavior of open-cell cellular materials in compression includes several consequent collapse scenarios. This requires a particular attention when choosing an effective material model and special care for the homogenization procedure.

Multi-Scale; Cellular Structures; Homogenization

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Podaci o izdanju

4 (2)

2010.

97-109

objavljeno

1820-6530

Povezanost rada

Strojarstvo

Poveznice