Crack Propagation Analysis of Concrete Beam Subjected to Three-Point Bending Using XFEM

Zhong Liang Ru; Hong Bo Zhao; Chuan Rui Zhu

doi:10.4028/www.scientific.net/AMM.94-96.1655

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 94-96Crack Propagation Analysis of Concrete Beam...

Crack Propagation Analysis of Concrete Beam Subjected to Three-Point Bending Using XFEM

Abstract:

Extended finite element method (XFEM) has been applied to the crack propagation problems. A standard displacement-base approximation is enriched near a crack by incorporating both a discontinuous field and the near crack front asymptotic fields through a partition of unity method. This technique allows the entire crack to be represented independently of the mesh, so remeshing is not necessary to model crack growth. Applications of the proposed technique to beam subjected to three-point bending have been presented, results shown the location of the crack imposes important effect on the crack propagation direction.

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Periodical:

Applied Mechanics and Materials (Volumes 94-96)

Pages:

1655-1658

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.94-96.1655

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Online since:

September 2011

Authors:

Zhong Liang Ru, Hong Bo Zhao, Chuan Rui Zhu

Keywords:

Crack Propagation, Discontinuous Field, Extended Finite Element Method (XFEM)

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