Homogenization Techniques and Estimation of Material Parameters in Distributed Structures.
Abstract
We discuss the use of homogenization techniques to derive approximate models with simple geometry for physical models of grids and trusses which have a complex geometry that gives rise to computational difficulties. Our presentation is in the context of inverse or parameter estimation problems for composite material structures with unknown characteristics such as stiffness and internal damping. We present the necessary theoretical foundations for this approach and discuss comparison of modal properties of the resulting homogenization model for a two dimensional grid structure with modal properties observed in experiments with this grid.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1991
- Accession Number
- ADA239150
Entities
People
- Arun Das
- D. A. Rebnord
- D. Cioranescu
- H. Thomas Banks
- Rachel A. Miller