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Nonlinear elastic of hiperelastic furniture foams (CROSBI ID 537256)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Smardzewski, Jerzy ; Grbac, Ivica ; Prekrat, Silvana Nonlinear elastic of hiperelastic furniture foams // New technologies and materials in industries based on forestry sector / Grbac, Ivica (ur.). Zagreb: Šumarski fakultet Sveučilišta u Zagrebu, 2007. str. 77-84

Podaci o odgovornosti

Smardzewski, Jerzy ; Grbac, Ivica ; Prekrat, Silvana

engleski

Nonlinear elastic of hiperelastic furniture foams

Upholstered furniture intended for sleep and rest, especially furniture for disabled persons, require careful design of elastic spring systems. In the majority of cases, when designing new articles, both furniture designers and manufacturers base on long-term experience and craftsman’ s intuition. On the other hand, the accumulated interdisciplinary knowledge of modern medical laboratories as well as furniture certification stations indicates that it is necessary to carry out investigations concerning the mechanical properties of raw materials used to manufacture furniture and to conduct virtual modelling of the phenomena connected with the contact of the human body with the elastic base. The aim of this study was: to determine the elastic properties of hyper-plastic polyurethane foams applied in furniture industry, to elaborate mathematical models of these materials on the basis of non-linear Mooney-Rivlin models and to conduct a non-linear numerical analysis of contact strains in a deformed seat made of polyurethane foam. The results of the performed experiments revealed that the mechanical properties of polyurethane foams are described properly by the Mooney-Rivlin model. Knowing the mechanical properties of these foams, it is possible to create freely complex furniture elastic systems. The state of strains in the contact of the human body with foam depends on the friction between these bodies. Therefore, in practice, it is advisable to design seat systems resulting in minimal frictions between the user’ s clothes and the furniture seat.

furniture design; hyperplasic polyurethane foam; nonlinear analysis

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Podaci o prilogu

77-84.

2007.

objavljeno

Podaci o matičnoj publikaciji

New technologies and materials in industries based on forestry sector

Grbac, Ivica

Zagreb: Šumarski fakultet Sveučilišta u Zagrebu

953-6307-99-9

Podaci o skupu

New technologies and materials in industries based on forestry sector

predavanje

19.10.2007-19.10.2007

Zagreb, Hrvatska

Povezanost rada

Drvna tehnologija