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TECHNICAL PAPERS

Fracture Simulation Using an Elasto-Viscoplastic Virtual Internal Bond Model With Finite Elements

[+] Author and Article Information
Ganesh Thiagarajan

Department of Civil Engineering, University of Missouri, Kansas City, MO 64110

Yonggang Y. Huang

Department of Mechanical and Industrial Engineering, University of Illinois—Urbana-Champaign, Urbana, IL 61801

K. Jimmy Hsia

Department of Theoretical and Applied Mechanics, University of Illinois—Urbana-Champaign, Urbana, IL 61801

J. Appl. Mech 71(6), 796-804 (Jan 27, 2005) (9 pages) doi:10.1115/1.1796451 History: Received January 21, 2003; Revised November 13, 2003; Online January 27, 2005
Copyright © 2004 by ASME
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References

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ABAQUS/Explicit Users Manual, HKS Inc.
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Figures

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Multiplicative decomposition of deformation gradient F with its effect on shape and microstructure
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Loading cases studied for plate with hole
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Final deformation for elastic VIB model (case 2)
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Final deformation for viscoplastic VIB model (case 2)
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Final deformation for viscoplastic VIB model (case 3)
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Final deformation for viscoplastic VIB model (t=0.7 s) (case 4)
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Stress (σyy) distribution along bottom edge of plate (after cracking)
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Plot of crack tip location with time
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Stress-strain curve for left-bottom corner element (case 3)
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Mises stress-equivalent plastic strain plots for left-corner element
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Comparison of viscoplastic model stress-strain curves
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Comparison of stress strain curves for different yield strengths
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Comparison of stress strain curves for different fluidity coefficients
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Comparison of stress strain curves for different hardness coefficients
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Cracked pattern for biaxial load case with elastic VIB model
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Cracked pattern for biaxial load case with viscoplastic VIB model
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Comparison of stress and logarithmic strains for the elastic and viscoplastic models
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Comparison of equivalent plastic strains for uniaxial and biaxial loading cases

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