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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/17901
Title: Numerical simulation of static cracks using extended isogeometric analysis
Authors: Bhardwaj G.
Singh, Indra Vir
Published in: Proceedings of 1st International and 16th National Conference on Machines and Mechanisms, iNaCoMM 2013
Abstract: In last decade, isogeometric analysis (IGA) has gained a lot of interest among the scientific community in solving various engineering problems. Nowadays, IGA has been extended to many scientific and engineering areas including fracture mechanics. This paper presents the simulation of stationary plane crack problems using extended isogeometric analysis (XIGA). In XIGA, both geometry and solution are approximated using NURBS basis functions. Heaviside function is used to model the crack face, while crack tip singularity is modeled using asymptotic crack tip enrichment functions. The various crack problems i.e. left edge crack, centre crack and double edge crack are solved using XIGA. The value of stress intensity factor (SIFs) is computed using domain based interaction integral approach. These simulations showed that SIF obtained using XIGA with higher order NURBS basis functions provide more accurate results as compared to those obtained by XFEM.
Citation: Proceedings of 1st International and 16th National Conference on Machines and Mechanisms, iNaCoMM 2013, (2013), 224- 230
URI: https://doi.org/
http://repository.iitr.ac.in/handle/123456789/17901
Issue Date: 2013
Publisher: Association for Machines and Mechanisms
Keywords: Discontinuities
Edge crack
Enrichment functions
Extended isogeometric analysis (XIGA)
NURBS
Author Scopus IDs: 56379004400
57204061377
Author Affiliations: Bhardwaj, G., Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Singh, I.V., Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Appears in Collections:Conference Publications [ME]

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