Micromechanics-based modeling of damage evolution in viscoelastic composites
2005 (English)Conference paper, Presentation (Refereed)
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
IdentifiersURN: urn:nbn:se:ltu:diva-38541Local ID: cf962727-0d1b-4321-b056-c065d8ec1342OAI: oai:DiVA.org:ltu-38541DiVA: diva2:1012042
International Conference on Fracture : 20/03/2005 - 25/03/2005
Upprättat; 2005; 20130320 (andbra)2016-10-032016-10-03