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Micromechanics-based modeling of damage evolution in viscoelastic composites
School of Mechanical Engineering, Georgia Institute of Technology, Atlanta.
2005 (English)Conference paper, Presentation (Refereed)
Abstract [en]

Damage in composite laminates affects their overall viscoelastic response. Previous research has been focused on developing constitutive equations for these materials considering a fixed state of damage. A complete description, however, requires suitable damage evolution laws. This paper is focused on studying damage evolution in viscoelastic laminates using a computational micromechanics approach. We use cohesive finite elements to study nucleation and subsequent growth of a transverse crack between two existing cracks in the 90° layer of a linear viscoelastic cross-ply laminate. The effect of loading rate, thickness of 90° ply and initial crack density on the evolution of a new crack is investigated.

Place, publisher, year, edition, pages
2005.
Identifiers
URN: urn:nbn:se:ltu:diva-38541Local ID: cf962727-0d1b-4321-b056-c065d8ec1342OAI: oai:DiVA.org:ltu-38541DiVA: diva2:1012042
Conference
International Conference on Fracture : 20/03/2005 - 25/03/2005
Note
Upprättat; 2005; 20130320 (andbra)Available from: 2016-10-03 Created: 2016-10-03

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Talreja, Ramesh

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