Wavelet Spectral Finite Elements for Wave Propagation in Composite Plates
Abstract
The principal objectives of the research were to develop and experimentally validate a predictive modeling capability for simulation of wave propagation in 2-D composite plates. During this reporting period, the Wavelet Spectral Finite Element (WSFE) model for composite plates with transverse cracks was developed. Various parametric studies were performed on the developed model to study the wave scattering behavior due to induced transverse cracks. The experimental validation of the developed model is performed at Clarkson University (Dr Ratan Jha?s group). Composite plates were fabricated using aerospace grade carbon fiber prepregs. A scanning laser vibrometer was used to record out-of-plane responses of the plate for Lamb wave actuation. Experimental data and WSFE predictions were shown to have very good correlation for healthy. Development of WSFE models for damaged composite plate (transverse crack and delamination) is complete and the experimental validation at Clarkson University is under progress. The research has resulted in two journal papers and two conference papers so far and three articles are under preparation for journal publication.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 31, 2011
- Accession Number
- ADA546481
Entities
People
- S. Gopalakrishnan
Organizations
- Indian Institute of Science, Bengaluru