Dynamic Analysis of Folded Plate Structures

[+] Author and Article Information
A. N. Danial, J. F. Doyle

School of Aeronautics & Astronautics, Purdue University, West Lafayette, IN 47907

S. A. Rizzi

Structural Acoustics Branch, NASA Langley Research Center, Hampton, VA 23681

J. Vib. Acoust 118(4), 591-598 (Oct 01, 1996) (8 pages) doi:10.1115/1.2888339 History: Received September 01, 1993; Revised January 01, 1995; Online February 26, 2008


A spectral element method for analyzing wave propagation in multiply connected plates oriented at arbitrary angles is presented. These plate elements may be joined to model structures with stiffeners, open or closed thin-walled tubes, corrugated plates, channels, and ducts. The element models exactly both in-plane and out-of-plane responses over large domains. Results for point impact of a plate with stringers and a thin-walled box beam show excellent agreement with finite element solutions.

Copyright © 1996 by The American Society of Mechanical Engineers
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