THERMOVISCOPLASTIC RESPONSE OF HYPERSONIC LEADING EDGE STRUCTURES SUBJECTED TO INTENSE LOCAL HEATING
Authors:
Ted G. Byrom a;
David H. Allen a
| Affiliation: | a Aerospace Engineering Department, Texas A&M University, College Station, Texas, USA |
DOI:
10.1080/01495739408946270
Publication Frequency:
12 issues per year
Subject:
Thermodynamics;
Formats available:
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Abstract
A hypersonic leading edge structure subjected to intense localized transient heating is modeled using the finite element method and a three-dimensional assembly of CST-DKT plate elements in the shape of a half cylinder and incorporates the large deflection uon K
rm n assumptions. The thermoviscoplastic material behavior is characterized by the Bodner-Partom constitutive model. This article compares the results of a dynamic structural analysis with a quasi-static structural analysis using a representative transient temperature field similar to that which may be encountered with shock-shock interference on a hypersonic leading edge structure.
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