0
Research Papers

Multiscale Simulations for Impact Load–Induced Vibration: Assessing a Structure's Vulnerability

[+] Author and Article Information
Jeongwon Park

Department of Mechanical Engineering,
Hanyang University,
17 Haengdang-dong,
Seongdong-gu, Seoul 133-791, Korea

Man Hoi Koo

Agency for Defense Development,
111 Sunam dong,
Yoseong, Daejeon 305-152, Korea

Junhong Park

e-mail: parkj@hanyang.ac.kr
Department of Mechanical Engineering,
Hanyang University,
17 Haengdang-dong,
Seongdong-gu, Seoul 133-791, Korea

Contributed by the Materials Division of ASME for publication in the Journal of Engineering Materials and Technology. Manuscript received June 1, 2012; final manuscript received January 4, 2013; published online March 25, 2013. Assoc. Editor: Xi Chen.

J. Eng. Mater. Technol 135(2), 021006 (Mar 25, 2013) (7 pages) Paper No: MATS-12-1120; doi: 10.1115/1.4023774 History: Received June 01, 2012; Revised January 04, 2013

Vibration resulting from high-velocity projectiles impacting a structure was simulated at multiple scales. Local impact simulations were performed to predict the material deformation and penetration phenomena at the location of impact. The resulting penetration behavior of a steel panel was analyzed for various projectile velocities, sizes, and panel thicknesses. Three-layer panels with Kevlar as the core material were simulated to understand the effects of structural layering on the reduction of the impact force. The forces acting on the panel in the longitudinal and transverse directions were calculated from the obtained stress distribution in the local deformation model. Using the estimated force input, transient longitudinal and flexural wave propagations were calculated to analyze the radiation of the impact energy along the structural span. Vulnerable positions with high possibilities of damage to crucial components due to impact loading were identified from the resulting vibration responses.

FIGURES IN THIS ARTICLE
<>
Copyright © 2013 by ASME
Your Session has timed out. Please sign back in to continue.

References

Robert, E. B., 2003, The Fundamentals of Aircraft Combat Survivability Analysis and Design, 2nd ed., AIAA Education Series, Reston, VA.
Corbertt, G. G., Reid, S. R., and Johnson, W., 1996, “Impact Loading of Plates and Shells by Free-Flying Projectile: A Review,” Int. J. Impact Eng., 18(2), pp. 141–230. [CrossRef]
Tai, Y.-S., and Tang, C.-C., 2006, “Numerical Simulation: The Dynamic Behavior of Reinforced Concrete Plates Under Normal Impact,” Theor. Appl. Fract. Mech., 45, pp. 117–127. [CrossRef]
Børvik, T., Hopperstad, O. S., Berstad, T., and Langseth, M., 2002, “Perforation of 12 mm Thick Steel Plates by 20 mm Diameter Projectiles With Flat, Hemispherical and Conical Noses Part II: Numerical Simulations,” Int. J. Impact Eng., 27, pp. 37–64. [CrossRef]
Børvik, T., Langseth, M., Hopperstad, O. S., and Malo, K. A., 1999, “Ballistic Penetration of Steel Plates,” Int. J. Impact Eng., 22, pp. 855–886. [CrossRef]
Li, Q. M., Reid, S. R., Wen, H. M., and Telford, A. R., 2005, “Local Impact Effects of Hard Missiles on Concrete Targets,” Int. J. Impact Eng., 32, pp. 224–284. [CrossRef]
Holmquist, T. J., and Johnson, G. R., 2008, “Response of Boron Carbide Subjected to High-Velocity Impact,” Int. J. Impact Eng., 35, pp. 742–752. [CrossRef]
Li, J., Li, X. J., Zhao, Z., Ou, Y. X., and Jiang, D. A., 2007, “Simulation on Projectile With High Rotating Speed Penetrating Into the Moving Vehicular Door,” Theor. Appl. Fract. Mech., 47, pp. 113–119. [CrossRef]
Zukas, J. A., and Scheffler, D. R., 2001, “Impact Effects in Multilayered Plates,” Int. J. Solids Struct., 38, pp. 3321–3328. [CrossRef]
Mahfuz, H., Zhu, Y., Haque, A., Abutalib, A., Vaidya, U., Jeelani, S., Gama, B., Gillespie, J., and Fink, B., 2000, “Investigation of High-Velocity Impact on Integral Armor Using Finite Element Method,” Int. J. Impact Eng., 24, pp. 203–217. [CrossRef]
Shokrieh, M. M., and Javadpour, G. H., 2008, “Penetration Analysis of a Projectile in Ceramic Composite Armor,” Compos. Struct., 82, pp. 269–276. [CrossRef]
Mines, R. A. W., 2004, “A One-Dimensional Stress Wave Analysis of a Lightweight Composite Armour,” Compos. Struct., 64, pp. 55–62. [CrossRef]
Grujicic, M., Pandurangan, B., Koudela, K. L., and Cheeseman, B. A., 2006, “A Computational Analysis of the Ballistic Performance of Light-Weight Hybrid Composite Armors,” Appl. Surf. Sci., 253, pp. 730–745. [CrossRef]
Koo, M. H., Lim, H. S., Gimm, H. I., and Yoo, H. H., 2009, “Study of Impact Energy Propagation Phenomenon and Modal Characteristics of an Armored Vehicle Undergoing High Velocity Impact,” J. Mech. Sci. Technol., 23, pp. 964–967. [CrossRef]
Anderson, C. E., 1987, “An Overview of the Theory of Hydrocodes,” Int. J. Impact Eng., 5, pp. 33–59. [CrossRef]
Benson, D. J., 1992, “Computational Methods in Lagranian and Eulerian Hydrocodes,” Comp. Method. Appl. M., 99, pp. 235–394. [CrossRef]
Taylor, E. A., Tsembelis, K., Hayhurst, C. J., Kay, L., and Burchell, M. J., 1999, “Hydrocode Modelling of Hypervelocity Impact on Brittle Materials: Depth of Penetration and Conchoidal Diameter,” Int. J. Impact Eng., 23, pp. 895–904. [CrossRef]
Zhu, G., Goldsmith, W., and Dharan, C. K. H., 1992, “Penetration of Laminated Kevlar by Projectiles—I. Experimental Investigation,” Int. J. Solids Struct., 29(4), pp. 399–420. [CrossRef]
Tham, C. Y., Tan, V. B. C., and Lee, H. P., 2008, “Ballistic Impact of a KEVLAR® Helmet: Experiment and Simulations,” Int. J. Impact Eng., 35, pp. 304–318. [CrossRef]
Century Dynamics, 2005, AUTODYN Theory Manual, Century Dynamics, Concord, CA.
Graff, K. F., 1975, Wave Motion Elastic Solids, Dover, New York.
Park, J., Siegmund, T., and Mongeau, L., 2003, “Analysis of the Flow-Induced Vibrations of Viscoelastically Supported Rectangular Plates,” J. Sound Vib., 261, pp. 225–245. [CrossRef]

Figures

Grahic Jump Location
Fig. 1

A localized impact simulation model to predict material deformation and the resulting stress distribution at the impacted location in an infinitely long armored panel impacted by a high velocity projectile: (a) single and (b) three-layer panels

Grahic Jump Location
Fig. 2

Deformation shapes of the homogeneous steel panel impacted by projectiles and the consequent transient variation of the (a) normal and (b) shear stress (a = 37 mm, vi = 900 m/s, h = 50 mm)

Grahic Jump Location
Fig. 3

Impact forces variation acting on the steel panel for 0.35 milliseconds: (a) normal force and (b) shear force and its interpolation. Fast fluctuations were minimized during interpolation, since those components do not propagate due to resonance in the thickness direction.

Grahic Jump Location
Fig. 4

Vibration analysis on the beam-structure model subjected to impact forces in the longitudinal and transverse directions

Grahic Jump Location
Fig. 5

Effects of projectile velocity on the interpolated (a) normal and (b) shear forces acting on the homogeneous steel panel (a = 37 mm, b = 105 mm, and h = 50 mm)

Grahic Jump Location
Fig. 6

Effects of projectile velocity on (a) the maximum normal and shear forces and (b) their duration obtained from the results in Fig. 5

Grahic Jump Location
Fig. 7

Effects of panel thickness (h) on (a) normal and (b) shear forces acting on a steel panel and effects of projectile size (a × b) on (c) normal and (d) shear forces. The maximum normal and shear forces increased with increasing panel thickness. The duration of force generation and the total transmitted impact energy depended on panel thickness, projectile size, and occurrence of perforation.

Grahic Jump Location
Fig. 8

Comparison of interpolated (a) normal and (b) shear force variations for single (hc = 0 mm) and three-layered panels utilizing Kevlar as the core material

Grahic Jump Location
Fig. 9

(a) Transverse and (b) longitudinal displacement responses of a beam subjected to impact forces in the transverse and longitudinal directions.

Grahic Jump Location
Fig. 10

Maximum vibration amplitude on the component located at x = L/3 for a beam impacted by projectiles at different locations. The location that induces the maximum displacement, velocity, or acceleration responses corresponds to sections of beam with higher probability of damage when impacted.

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In