Modeling quasi-static crack growth with the extended finite element method

For crack modeling in the xfem, a discontinuous function and. The crack propagation path is calculated through the xfe method. Prevost, modeling quasistatic crack growth with the extended finite element method part i. A numerical modelling of mixed mode crack initiation and growth in. Modeling quasistatic crack growth with the extended finite element method part ii. Modeling quasistatic crack growth with the extended finite element method part i. Modeling crack propagation with the extended scaled. The basic concept of the extended finite element method is. The dur method is proposed to model quasistatic crack propagation under the. The extended finite element method xfem is a numerical method for modeling strong displacement as well as weak strain discontinuities within a standard. Citeseerx document details isaac councill, lee giles, pradeep teregowda.

Computer implementation the extended finite element method xfem is a numerical method for. Modeling quasistatic crack growth with the extended. References extended finite element method wiley online. In a prior study sukumar and prevost, 2003 referred to hereafter as part i, we have described the implementation of the extended finite element method x fem. In part i sukumar and prevost 2003, we described the implementation of the extended finite element method xfem within dynaflow, a standard finite element package. In the xfem, special functions are added to the finite element approximation using the framework of partition of unity. Modelling of crack propagation in layered structures using. Modeling quasistatic crack growth with the extended finite element. Extended finite element method xfem was used successfully in the past few. Full thermomechanical coupling using extended finite element.

In a prior study sukumar and prevost, 2003 referred to hereafter as part i, we have described the implementation of the extended finite element method xfem for the modeling of crack discontinuities within dynaflow prevost, 1983, a standard finite element package. The extended finite element method xfem is a numerical method for modeling strong displacement as well as weak strain discontinuities within a standard finite element framework. Pdf modelling of cohesive crack growth in concrete structures with. Request pdf modeling quasistatic crack growth with the extended finite element method part i. Extended finite element simulation of quasibrittle fracture in. In our implementation, we focused on 2dimensional crack modeling in linear elasticity. An extended finite element method with higherorder elements for. Modeling crack in viscoelastic media using the extended finite. Keywords fracture, finite elements, crack propagation. A novel xfem based fast computational method for crack propagation. Request pdf modeling quasistatic crack growth with the extended finite element method part ii. A quasitransient crack propagation model, subjected to transient thermal load combined with a quasistatic crack growth was presented and implemented into a. Preevost b a department of civil and environmental engineering, university of california, one shields avenue, davis, ca 95616, usa b department of civil and environmental engineering, princeton university, princeton, nj 08544, usa.