Delamination Modeling and Detection in Smart Composite Plates

A refined model for smart composite plates with delamination is developed. The modeling is based on a third order refined displacement field, which satisfies the stress free boundary conditions at all free surfaces including delamination interfaces. The displacement field also accounts for the prese...

Full description

Saved in:
Bibliographic Details
Published in:Journal of reinforced plastics and composites 1999-01, Vol.18 (17), p.1557-1572
Main Authors: Chattopadhyay, Aditi, Nam, Changho, Dragomir-Daescu, Dan
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Forms of application and semi-finished materials
Fundamental areas of phenomenology (including applications)
Laminates
Physics
Polymer industry, paints, wood
Solid mechanics
Structural and continuum mechanics
Technology of polymers
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A refined model for smart composite plates with delamination is developed. The modeling is based on a third order refined displacement field, which satisfies the stress free boundary conditions at all free surfaces including delamination interfaces. The displacement field also accounts for the presence of distributed piezoelectric actuators. The mathematical model is implemented using the finite element method. The dynamic strain is analyzed for smart composites with and without delamination. Next, a new approach is investigated for the detection of delamination in smart composites based on the Root-Mean Square (RMS) values of the plate response subject to disturbances. Numerical results presented show accurate location of the delamination and its size.
ISSN:0731-6844
1530-7964
DOI:10.1177/073168449901801702