Mechanics & Industry
Volume 16, Number 5, 2015
|Number of page(s)||7|
|Published online||08 July 2015|
Numerical modelling of 3D dowelled timber joints using advanced fully coupled hydro-mechanical constitutive equations
University of Lorraine, ENSTIB, 27 rue Philippe Séguin, 88026
2 LERMAB, EA 4370, ENSTIB, 27 rue Philippe Séguin, 88026 Epinal, France
3 School of Engineering and Information Technology, University of New South Wales at the Australian Defence Force Academy, Northcott Drive, ACT 2600, Canberra, Australia
4 University of Lorraine, IUT, Institut Universitaire de Technologie de Longwy, 54400 Cosnes et Romain, France
5 Institut Jean Lamour – UMR CNRS 7198, ENSTIB, 27 rue Philippe Séguin, CS 60036, 88026 Epinal Cedex, France
a Corresponding author: firstname.lastname@example.org
Received: 17 June 2013
Accepted: 8 January 2015
In this work, a constitutive law describing the hydro-mechanical behaviour of wood is presented. The main novelty of developed 3D F.E. model, among literature hardening models, is the coupling between plasticity and moisture effect. The hydro-mechanical wood behaviour is analyzed within the framework of non-linear mechanical theory of Mechanical Continuous Media (MMC). The local integration of constitutive laws is carried out with an iterative implicit outline using plastic corrections and the calculus procedure is implemented on Abaqus software and validated in the context of dowelled timber joints. The results of simulation were compared with published experimental results, showing good agreements and demonstrating clearly the effect of the moisture on the plastic behaviour.
Key words: Hydro-mechanical behaviour / elasticity / plasticity / orthotropic / moisture / large plastic strains / contact / friction / dowel timber joints / timber connections / FEM
© AFM, EDP Sciences 2015
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