Two-Dimensional Crack Growth Simulation under Mixed-Mode Loading

Wen Tao He; Jing Xi Liu; De Xie

doi:10.4028/www.scientific.net/AMM.577.301

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 577Two-Dimensional Crack Growth Simulation under...

Two-Dimensional Crack Growth Simulation under Mixed-Mode Loading

Abstract:

In this paper, an efficient simulation program (FCG-System) is proposed to simulate 2D fatigue crack growth under mixed-mode loading conditions. The simulation is basically an incremental crack extension procedure. An object-oriented modeling frame is proposed for simulating fatigue crack growth of complex structures. The modeling frame is developed in the context of the commercial FE code ABAQUS, utilizing Python language and ABAQUS Scripting Interface (ASI). The highly automatic finite element simulation method is not only used for a single crack tip, but also has been extended to the system of interactive multiple cracks. The robustness and the accuracy of the new simulation code will be shown by two examples, including single crack growth and multiple cracks growth. Those applications indicate that the implementation of the FCG-System, as proposed herein, can be a useful tool for this class of fatigue crack growth.

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Periodical:

Applied Mechanics and Materials (Volume 577)

Pages:

301-304

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.577.301

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Online since:

July 2014

Authors:

Wen Tao He*, Jing Xi Liu, De Xie

Keywords:

Automatic Crack Growth, Crack Growth, FCG-System, Multiple Cracks, Single Crack

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* - Corresponding Author

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