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Constitutive modeling of viscoelastic materials with damage – computational aspects

✍ Scribed by Marcelo E. Canga; Eric B. Becker; Şebnem Özüpek

Book ID: 104266655
Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 513 KB
Volume: 190
Category: Article
ISSN: 0045-7825
DOI: 10.1016/s0045-7825(00)00231-0

No coin nor oath required. For personal study only.

✦ Synopsis

The ®nite element implementation of a constitutive model for viscoelastic materials with damage is presented. The material model, originally developed in [SX ß

Oz upek, E.B. Becker, Constitutive equations for solid propellants, J. Engrg. Matls. Tech. 199 (1997) 125± 132] has been modi®ed to allow an ecient numerical implementation in a ®nite element code. A step-by-step discussion of the calibration of the material coecients is provided, including the calibrations of the damage and cyclic loading functions. The new formulation is illustrated with representative examples for pressurization of a solid propellant rocket motor.

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