The Scaled Boundary Finite Element Method for the Efficient Modelling of Linear Elastic Fracture | Zendy

Adrian Egger | Zendy; Eleni Chatzi | Zendy; Savvas P. Triantafyllou | Zendy

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The Scaled Boundary Finite Element Method for the Efficient Modelling of Linear Elastic Fracture

Author(s) -

Adrian Egger,

Eleni Chatzi,

Savvas P. Triantafyllou

Publication year - 2016

Publication title -

proceedings of the 10th international conference on fracture mechanics of concrete and concrete structures

Language(s) - English

Resource type - Conference proceedings

DOI - 10.21012/fc9.056

Subject(s) - finite element method , linear elasticity , boundary knot method , extended finite element method , fracture (geology) , boundary (topology) , computer science , mixed finite element method , boundary element method , smoothed finite element method , structural engineering , materials science , mathematical analysis , mathematics , engineering , composite material

In this work, a study of computational and implementational efficiency is presented, on the treatment of Linear Elastic Fracture Mechanics (LEFM) problems. To this end, the Scaled Boundary Finite Element Method (SBFEM), is compared against the popular eXtended Finite Element Method (XFEM) and the standard FEM approach for efficient calculation of Stress Intensity Factors (SIFs). The aim is to examine SBFEM’s potential for inclusion within a multiscale fracture mechanics framework. The above features will be exploited to solve a series of benchmarks in LEFM comparing XFEM, SBFEM and commercial FEM software to analytical solutions. The extent to which the SBFEM lends itself for inclusion within a multiscale framework will further be assessed.

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