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TECHNICAL PAPERS

Dynamic Analysis of a Mode I Propagating Crack Subjected to a Concentrated Load

[+] Author and Article Information
Y.-L. Chung, M.-R. Chen

Department of Construction Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan

J. Appl. Mech 70(5), 668-675 (Oct 10, 2003) (8 pages) doi:10.1115/1.1600473 History: Received June 09, 1999; Revised December 17, 2002; Online October 10, 2003
Copyright © 2003 by ASME
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References

Figures

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The superposition scheme for a concentrated load acting on the crack surfaces
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The case B problem: (a) on the physical plane, (b) on the physical plane after shifting the origin to (x0,0), (c) on the complex θ̄ plane
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The case C problem: (a) on the physical plane, (b) on the physical plane after shifting the origin to (x0,0), (c) on the complex θ̄ plane.
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The normal surface displacement on the x axis for a=6326 m/s,b=3463 m/s,s=2770.4 m/s,t=0.01 s
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The normal surface stress σy on the x axis for a=6326 m/s,b=3463 m/s,s=2770.4 m/s,t=0.01 s
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Comparison of normalized DSIF for a central running crack subjected a concentrated load and uniform distributed load
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Normalized DSIF versus crack-tip location for a mode I running crack subjected to a concentrated load with a variation in crack-tip speed
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Normalized DSIF versus crack-tip speed for a mode I running crack subjected to a uniformly portion load with expanding speed vL/s=0.2
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Geometrical configuration of the disturbance of P and S waves
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Normalized DSIF versus crack-tip speed for a mode I running crack subjected to a uniformly portion load with expanding speed vL/s=0.5
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Normalized DSIF versus crack-tip speed for a mode I running crack subjected to a uniformly portion load with expanding speed vL/s=0.1, 0.2, 0.5, 0.7, 0.9

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