Morphology-based macro-scale finite-element timber models

Authors:
Raffaele De Amicis;Mariapaola Riggio;Gabrio Girardi;Maurizio Piazza
Affiliations:
GraphiTech, Center for Advanced Computer Graphics Technologies, Via alla Cascata 56/c, I-38100 Povo (TN), Italy;Department of Mechanical and Structural Engineering, University of Trento, Via Mesiano 77, I-38100 Trento, Italy;GraphiTech, Center for Advanced Computer Graphics Technologies, Via alla Cascata 56/c, I-38100 Povo (TN), Italy;Department of Mechanical and Structural Engineering, University of Trento, Via Mesiano 77, I-38100 Trento, Italy
Venue:
Computer-Aided Design
Year:
2011

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Abstract

This paper presents a non-invasive technique that can extract an accurate geometrical description of growth layer surfaces in wood. The method has been validated for sawn spruce elements (Picea Abies Karst.). The aim is to implement a procedure to model domain geometry in the numerical analysis of wooden elements, taking into account the intrinsic variability of the material. The approach presented by the authors avoids internal imaging and achieves a digital 3D model of growth layers, using, as input data, images of the ring pattern, which represents the growth surface boundary curves, visible on all the cut faces of the wooden element.