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Structural Engineering and Mechanics Volume 3, Number 5, September 1995 , pages 463-474 DOI: https://doi.org/10.12989/sem.1995.3.5.463 |
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ON THE LARGE PLASTIC-DEFORMATION OF TUBULAR BEAMS UNDER IMPACT LOADING |
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WANG B
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| Abstract | ||
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When a tubular cantilever beam is loaded by a dynamic force applied transversely at its tip, the strain hardening of the material tends to increase the load carrying capacity and local buckling and cross-sectional overlization occurring in the tube section tends to reduce the moment carrying capacity and results in structural softening. A theoretical model is presented in this paper to analyze the deformation of a tubular beam in a dynamic response mode. Based on a large deflection analysis, the hardening/softening M-kappa relationship is introduced. The main interest is on the curvature development history and the deformed configuration of the beam. | ||
| Key Words | ||
| ELASTOPLASTIC DEFORMATION, DYNAMIC PLASTICITY, LARGE DEFLECTION, HARDENING SOFTENING MOMENT CURVATURE RELATIONSHIP, IMPACT, PIPE WHIP | ||
| Address | ||
| WANG B, NANYANG TECHNOL UNIV,SCH MECH & PROD ENGN,SINGAPORE 2263,SINGAPORE | ||