On XFEM Applications to Crack Surface under External Force

Tian Tang Yu; Lu Yang Shi

doi:10.4028/www.scientific.net/AMM.152-154.210

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 152-154On XFEM Applications to Crack Surface under...

On XFEM Applications to Crack Surface under External Force

Abstract:

The extended finite element method is applied to modeling growth of arbitrary crack with crack surface tractions. Firstly, the extended finite element method is investigated for the stress intensity factor solution of surface traction problems. Secondly, for different water pressure acting on the crack surfaces and different crack length, the variation of the stress intensity factors is investigated. Finally, the process of hydraulic fracturing is simulated with the method. Numerical simulations illustrate that the method can effectively model the fracture problems with surface tractions.

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Periodical:

Applied Mechanics and Materials (Volumes 152-154)

Pages:

210-215

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.152-154.210

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Online since:

January 2012

Authors:

Tian Tang Yu, Lu Yang Shi

Keywords:

Crack Propagation, Extended Finite Element Method (XFEM), Stress Intensity Factor (SIF), Surface Tractions

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References

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DOI: 10.1016/s0045-7825(01)00260-2

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