2008
DOI: 10.1016/j.engfracmech.2008.06.019
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A geometrically non-linear three-dimensional cohesive crack method for reinforced concrete structures

Abstract: A three dimensional meshfree method for modeling arbitrary crack initiation and crack growth in reinforced concrete structure is presented. This meshfree method is based on a partition of unity concept and formulated for geometrically nonlinear problems. The crack kinematics are obtained by enriching the solution space in order to capture the correct crack kinematics. A cohesive zone model is used after crack initiation. The reinforcement modeled by truss or beam elements is connected by a bond model to the co… Show more

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Cited by 287 publications
(80 citation statements)
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“…In particular, the extended finite element method (XFEM) [8], which belongs to the class of partition of unity methods, allows simulation of crack propagation without remeshing by introducing two classes of enrichment functions: discontinuous enrichment to capture the displacement jump through the crack faces and near-tip asymptotic enrichment to capture the stress singularity at the crack tip in linear elastic fracture mechanics (LEFM). Although a vast body of literature has examined cracking in various types of composite materials using different techniques, for example, Rebiére et al, [9] employed a combined analytical and a three-dimensional finite element study to study transverse and longitudinal cracks in laminates, Ramanujam et al, [10] studied fatigue crack growth using a combined experimental and computational investigation and meshfree method and cracking particle methods were employed in [11,12,13,14,15] to study arbitrary evolving cracks in reinforced concrete structures. Yet, to date, there is only a limited amount of work in the literature which involves XFEM for crack propagation simulation in orthotropic materials.…”
Section: Introductionmentioning
confidence: 99%
“…In particular, the extended finite element method (XFEM) [8], which belongs to the class of partition of unity methods, allows simulation of crack propagation without remeshing by introducing two classes of enrichment functions: discontinuous enrichment to capture the displacement jump through the crack faces and near-tip asymptotic enrichment to capture the stress singularity at the crack tip in linear elastic fracture mechanics (LEFM). Although a vast body of literature has examined cracking in various types of composite materials using different techniques, for example, Rebiére et al, [9] employed a combined analytical and a three-dimensional finite element study to study transverse and longitudinal cracks in laminates, Ramanujam et al, [10] studied fatigue crack growth using a combined experimental and computational investigation and meshfree method and cracking particle methods were employed in [11,12,13,14,15] to study arbitrary evolving cracks in reinforced concrete structures. Yet, to date, there is only a limited amount of work in the literature which involves XFEM for crack propagation simulation in orthotropic materials.…”
Section: Introductionmentioning
confidence: 99%
“…crack growth, moving boundaries and large deformation problems [1] and various refinements are necessary, XFEM for fracture for instance. Indeed in this area major advances have been made [2][3][4]. With mesh-based numerical methods, one cannot avoid the issues of element distortion and the need for remeshing in finite deformation problems (which also brings the difficulty of projection of information from one mesh to another).…”
Section: Introductionmentioning
confidence: 99%
“…The extended FEM (XFEM) [12] and meshless methods [13] using nodal enrichment techniques, which can model crack propagation without remeshing, have been proposed more recently as alternatives to tackle the difficulties faced by the FEM in crack propagation modelling. Serious crack propagation problems both in statics and dynamics have been solved with these two methods [14][15][16][17]. However, fine meshes (in the case of XFEM) and fine nodal distributions (in the case of meshless methods), are still needed, especially when the crack paths are unknown in advance [18].…”
Section: Introductionmentioning
confidence: 99%