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Modeling the viscoelastic response of GMT structural components
Texas AandM University.
RISE, Swerea, Swerea SICOMP.
Volvo Car Components Corporation.
Volvo Car Corporation.
Show others and affiliations
2001 (English)In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 61, no 4, p. 503-515Article in journal (Refereed)
Abstract [en]

A glass-mat-reinforced thermoplastic (GMT) composite material has been fabricated from randomly oriented continuous glass fibers embedded in a polypropylene matrix. The mechanical constitution of this composite has been characterized by using a linear viscoelastic micromechanically based material model. This material model has subsequently been implemented to several finite-element computer codes for analysis of structural components fabricated from polypropylene GMT. In this paper several example problems have been studied in order to determine the applicability of this modeling approach to predicting time-dependent deformations due to creep in GMT components. These example problems have been solved by utilizing two commercially available codes: ABAQUS, and ANSYS. Furthermore, results obtained with the codes have been compared to both analytic and experimental results, with varying degrees of success. The paper details these results for each of the example problems considered herein. © 2001 Elsevier Science Ltd. All rights reserved.

Place, publisher, year, edition, pages
2001. Vol. 61, no 4, p. 503-515
Keywords [en]
B. Creep, B. Modelling, C. Finite element analysis (FEA), Thermoplastic composites
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13226DOI: 10.1016/S0266-3538(00)00216-5OAI: oai:DiVA.org:ri-13226DiVA, id: diva2:973422
Available from: 2016-09-22 Created: 2016-09-22 Last updated: 2017-11-21Bibliographically approved

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