Abstract
In the present work, the fatigue crack growth analysis of an interfacial cracked plate has been performed by extended isogeometric analysis (XIGA). In isogeometric analysis (IGA), non-uniform rational B-splines (NURBS) are employed for defining the geometry as well as the solution. In XIGA, the merits of isogeometric analysis and extended finite element method are combined together for analyzing the cracked geometries. The crack faces are modeled by discontinuous Heaviside jump function, whereas the singularity in the stress field at the crack tip is modeled by crack-tip enrichment functions. The values of stress intensity factors (SIFs) for the interface cracks are evaluated by XIGA and XFEM. Paris law is employed for computing the fatigue life of an interfacial cracked plate.
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Singh, I.V., Bhardwaj, G. (2018). Fatigue Crack Growth Analysis of an Interfacial Crack in Heterogonous Material Using XIGA. In: van Meurs, P., Kimura, M., Notsu, H. (eds) Mathematical Analysis of Continuum Mechanics and Industrial Applications II. CoMFoS 2016. Mathematics for Industry, vol 30. Springer, Singapore. https://doi.org/10.1007/978-981-10-6283-4_2
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DOI: https://doi.org/10.1007/978-981-10-6283-4_2
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