Cách nâng cao hiệu quả và độ chính xác của phương pháp vượt định số được sử dụng để xác định các hệ số của các hạng mục bậc cao trong khai triển Williams
Tóm tắt
Từ khóa
Tài liệu tham khảo
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R.K.L. Su, S.L. Fok, Determination of coefficients of the crack tip asymptotic field by fractal hybrid finite elements, Engineering Fracture Mechanics 74 (2007) 1649-1664.
Q.Z. Xiao, B.L. Karihaloo, X.Y. Liu, Direct determination of SIF and higher order terms of mixed mode cracks by a hybrid crack element, International Journal of Fracture 125 (2004) 207-225.
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B.L. Karihaloo, Q.Z. Xiao, Higher order terms of the crack tip asymptotic field for a notched three-point bend beam. International Journal of Fracture 112 (2001) 111-128.
B.L. Karihaloo, H.M. Abdalla, Q.Z. Xiao, Coefficients of the crack tip asymptotic field for wedge splitting specimens. Engineering Fracture Mechanics 70 (2003) 2407-2420.
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T. Fett, T-stresses in rectangular plates and circular disks. Engineering Fracture Mechanics 60 (1998) 631-652.
L. Šestáková, Tuning of an over-deterministic method for calculation of higher-order terms coefficients of the Williams expansion for basic cracked specimen configurations, in: L. Náhlík, M. Zouhar, M. Ševčík, S. Seitl, Z. Majer (Eds. ), Proceedings of Conference Applied Mechanics, IPM AS CR, Brno, 2011, pp.211-214.
L. Šestáková, Mixed-mode higher-order terms coefficients estimated using the over-deterministic method, in: J. Náprstek, C. Fischer (Eds. ), Proceedings of 18th International Conference Engineering Mechanics, ITAM AS CR, Prague, 2012, pp.1301-1307.
V. Veselý, J. Sobek, L. Šestáková, S. Seitl, Accurate description of near-crack-tip fields for the estimation of inelastic zone extent in quasi-brittle materials, accepted to Key Engineering Materials (expected in 2013).
L. Šestáková, V. Veselý, Z. Keršner, Over-deterministic method convergence study on a mixed-mode geometry, under review in Applied Mechanics and Materials (expected in 2013).