Nonlinear transient response of strain rate dependent composite laminated plates using multiscale simulation

Linfa Zhu, Aditi Chattopadhyay, Robert K. Goldberg

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The effects of strain rate dependency and inelasticity on the transient responses of composite laminated plates are investigated. A micromechanics model which accounts for the transverse shear stress effect, the effect of strain rate dependency and the effect of inelasticity is used for analyzing the mechanical responses of the fiber and matrix constituents. The accuracy of the micromechanics model under transverse shear loading is verified by comparing the results with those obtained using a general purpose finite element code. A higher order laminated plate theory is extended to capture the inelastic deformations of the composite plate and is implemented using the finite element technique. A complete micro-macro numerical procedure is developed to model the strain rate dependent behavior of inelastic composite laminates by implementing the micromechanics model into the finite element model. Parametric studies of the transient responses of composite plates are conduced. The effects of geometry, ply stacking sequence, material models, boundary conditions and loadings are investigated. The results show that the strain rate dependency and inelasticity influence the transient responses of composite plates via two significantly different mechanisms.

Original languageEnglish (US)
Pages (from-to)2602-2630
Number of pages29
JournalInternational Journal of Solids and Structures
Volume43
Issue number9
DOIs
StatePublished - May 2006

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Multiscale Simulation
Laminated Plates
Composite Plates
Transient Response
Nonlinear Response
Laminated composites
transient response
Strain Rate
Transient analysis
strain rate
Strain rate
Micromechanics
micromechanics
composite materials
Dependent
simulation
Composite materials
Transverse
Finite Element
Composite Laminates

Keywords

  • Composite laminates
  • Micromechanics model
  • Multiscale simulation
  • Transient response

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Nonlinear transient response of strain rate dependent composite laminated plates using multiscale simulation. / Zhu, Linfa; Chattopadhyay, Aditi; Goldberg, Robert K.

In: International Journal of Solids and Structures, Vol. 43, No. 9, 05.2006, p. 2602-2630.

Research output: Contribution to journalArticle

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