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Review Articles

Some Topics in Recent Advances and Applications of Structural Impact Dynamics

[+] Author and Article Information
X. M. Qiu

Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, P. R. C.;
State Key Laboratory of Explosion
Science and Technology,
Beijing Institute of Technology,
Beijing 100081, P. R. C.

T. X. Yu

Department of Mechanical Engineering,
Hong Kong University of
Science and Technology,
Clear Water Bay,
Kowloon, Hong Kong, P. R. C.;
School of Engineering,
Ningbo University,
Ningbo 315000, P. R. C.
e-mail: metxyu@ust.hk

1Corresponding author.

Manuscript received February 17, 2011; final manuscript received December 6, 2011; published online March 30, 2012. Transmitted by Assoc. Editor Panos Papadopoulos.

Appl. Mech. Rev 64(3), 030801 (Mar 30, 2012) (12 pages) doi:10.1115/1.4005571 History: Received February 17, 2011; Revised December 06, 2011

This paper reviews some topics related to the advances and applications of structural impact dynamics in recent years. Dynamic behavior of structural members including tubes, beams and plates under axial or transverse loading, and cellular materials and sandwich structures under impact or blast loading are summarized here. The research methodology involves experimental studies, theoretical modeling, as well as numerical simulations. However, as we mainly focus on the longer time dynamic responses of structures and cellular materials, studies of stress wave propagation and the material's strain-rate sensitivity are not included.

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References

Figures

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Fig. 2

Deformed configurations of tube specimens after quasi-static test: (a) original tube, and (b) a tube with buckling initiator [41]

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Fig. 1

Collapses of tubes under axial loading: (a) ring mode, (b) diamond mode, and (c) mixed mode [4]

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Fig. 3

The energy dissipation partitioning for beam-on-beam collisions [50]

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Fig. 6

Engineering stress-strain curve of a cellular material [78]

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Fig. 5

Examples of two types of structures [71]

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Fig. 4

Schematic of deformation and fracture of the beams in a double impact case [52]

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Fig. 7

Design chart for a sandwich beam with a pyramidal core [95]

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Fig. 9

Sketches of the sandwich core topologies: (a) pyramidal core, (b) diamond-celled core, (c) corrugated core, (d) hexagonal-honeycomb core, and (e) square-honeycomb core [95]

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Fig. 10

Partial schematics (left) and the photo of the SWRC flexible crashworthy device [132]

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Fig. 8

(a) The configuration used for the paddle wheel test and (b) the triangular honeycomb sandwich panel used for the measurements [117]

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