Summary
This paper is concerned with a visco-plastic FEM analysis of crack run-arrest experiments of nonisothermal wide plates, which were performed as a part of the Heavy-Section Steel Technology (HSST) program in U.S.A.
In the present analysis, an implicit tangent modulus formulation is used to take into account a visco-plasticity. Temperature-dependent material properties are also included. A nodal release technique is employed for the modeling of continuous dynamic crack propagation. The studied fracture mechanics parameter is a path-independent integral, T*.
Through the generation phase calculation of the experiments, in which the measured crack tip profile is used as input data, inertia as well as visco-plastic effects on arrest and post-arrest phenomena are discussed.
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References
Yoshimura, S. et al.: Generation and propagation analyses of high-strain-rate dynamic crack propagation in a visco-plastic solid, Nucl. Engrg. Des., To Appear.
Yoshimura, S. et al.: A study of two alternate tangent modulus formulations, and attendant implicit algorithms, for creep as well as high-strain-rate plasticity, I. J. Plasticity, In Print.
Atluri, S.N. et al., Engrg. Frac. Mech. 20 (1984) 209–244.
Bass, B.R. et al., Press.Vess.Comp.Des.&Anal. 4, ASME PVP-98–2(1985)175-l84.
JWES-AE-8701: A study of evaluation of integrity of primary system of LWR using fracture mechanics (Part III), Report of JWES, 1987, In Japanese.
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© 1988 Springer-Verlag Berlin Heidelberg
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Yoshimura, S., Atluri, S.N., Yagawa, G. (1988). Generation Phase Analysis of Dynamic and Visco-Plastic Crack Propagation in Non-Isothermal Wide Plates. In: Atluri, S.N., Yagawa, G. (eds) Computational Mechanics ’88. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-61381-4_59
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DOI: https://doi.org/10.1007/978-3-642-61381-4_59
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-64818-2
Online ISBN: 978-3-642-61381-4
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