You are being redirected because this document is part of your ASTM Compass® subscription.

This document is part of your ASTM Compass® subscription.

**Published:** 0

Format |
Pages |
Price |
||

PDF (160K) | 12 | $25 | ADD TO CART | |

Complete Source PDF (9.2M) | 458 | $93 | ADD TO CART |

**Source: **STP26148S

A simulation model of the viscoelastic/damage response of a filament-wound cylindrical pressure vessel to proof-test loading is developed. The matrix material of the composite system is assumed to be linearly viscoelastic. A damage model based upon a quadratic relationship between the transverse modulus and maximum circumferential strain is proposed. The resulting nonlinear model is solved by an iterative routine based upon a reduced stiffness. The elastic-viscoelastic correspondence principle is used to produce, in the Laplace domain, an associated elastic solution for the maximum circumferential strain which is inverted by the method of collocation to yield a time-dependent solution for each iteration. A numerical example is included to demonstrate the application of the simulation model.

**Keywords:**

circumferential strain, inversion, matrix, composites, strain-damage model, transverse modulus, viscoelastic, proof-test

**Author Information:**

Prater, JL *Mechanical engineer, Structures Directorate, U.S. Army Missile Command, Redstone Arsenal, AL*

Hackett, RM *Professor and chairman, University of Mississippi, University, MS*

**Committee/Subcommittee:** D30.02

**DOI:** 10.1520/STP26148S