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Constitutive Model for Timber Fracture under Tensile and Shear Loads

Smidova, Eliska / Kabele, Petr

A 2D homogeneous orthotropic constitutive model of tensile and shear fracture in timber based on fixed smeared crack approach has been developed and implemented in ATENA^® finite element software. The model captures (1) elastic and inelastic behavior in small deformations range, (2) material orthotropy, both in linear and non-linear range, (3) cracking across or along fibers, and (4) behavior under unloading/reloading. In this contribution we present model validation through numerical simulations of compact tension shear (CTS) tests of Radiata Pine timber.

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Constitutive Model for Timber Fracture under Tensile and Shear Loads

Smidova, Eliska / Kabele, Petr

A 2D homogeneous orthotropic constitutive model of tensile and shear fracture in timber based on fixed smeared crack approach has been developed and implemented in ATENA^® finite element software. The model captures (1) elastic and inelastic behavior in small deformations range, (2) material orthotropy, both in linear and non-linear range, (3) cracking across or along fibers, and (4) behavior under unloading/reloading. In this contribution we present model validation through numerical simulations of compact tension shear (CTS) tests of Radiata Pine timber.

Constitutive Model for Timber Fracture under Tensile and Shear Loads

Smidova, Eliska / Kabele, Petr

A 2D homogeneous orthotropic constitutive model of tensile and shear fracture in timber based on fixed smeared crack approach has been developed and implemented in ATENA^® finite element software. The model captures (1) elastic and inelastic behavior in small deformations range, (2) material orthotropy, both in linear and non-linear range, (3) cracking across or along fibers, and (4) behavior under unloading/reloading. In this contribution we present model validation through numerical simulations of compact tension shear (CTS) tests of Radiata Pine timber.

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Titel:

Constitutive Model for Timber Fracture under Tensile and Shear Loads

Beteiligte:

Smidova, Eliska / Kabele, Petr

Erschienen in:

Applied Mechanics and Materials ; 784 ; 137-144

Erscheinungsdatum:

18.08.2015

Format / Umfang:

8 pages

ISSN:

1662-7482 , 1660-9336

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.784.137

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Unloading , Timber , Traction-Separation Law , Reloading , 2D Constitutive Model , Orthotropic Elasticity , Orthotropic Fracture Criterion , Fixed Smeared Crack Model

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