NDLI: The influence of clocking angle of the projectile on the simulated impact response of a shuttle leading edge wing panel

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The influence of clocking angle of the projectile on the simulated impact response of a shuttle leading edge wing panel

Content Provider	NASA Technical Reports Server (NTRS)
Author	Lyle, Karen H. Spellman, Regina L. Fasanella, Edwin L. Jackson, Karen E.
Copyright Year	2005
Description	An analytical study was conducted to determine the influence of clocking angle of a foam projectile impacting a space shuttle leading edge wing panel. Four simulations were performed using LS-DYNA. The leading edge panels are fabricated of multiple layers of reinforced carbon-carbon (RCC) material. The RCC material was represented using Mat 58, which is a material property that can be used for laminated composite fabrics. Simulations were performed of a rectangular-shaped foam block, weighing 0.23-lb., impacting RCC Panel 9 on the top surface. The material properties of the foam were input using Mat 83. The impact velocity was 1,000 ft/s along the Orbiter X-axis. In two models, the foam impacted on a corner, in one model the foam impacted the panel initially on the 2-in.-long edge, and in the last model the foam impacted the panel on the 7-in.- long edge. The simulation results are presented as contour plots of first principal infinitesimal strain and time history plots of contact force and internal and kinetic energy of the foam and RCC panel.
File Size	2789872
Page Count	21
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20050160474
Archival Resource Key	ark:/13960/t78s9ps23
Language	English
Publisher Date	2005-03-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Foams Carbon-carbon Composites Projectiles Structural Strain Space Shuttles Contours Impact Velocity Computerized Simulation Kinetic Energy Wing Panels Leading Edges Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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