Elastothermodynamic damping of metal-matrix composites: a numerical approach Conference Paper uri icon

abstract

  • Recently, taking the second law of thermodynamics as a starting point, a theoretical framework for an exact calculation of the elastothermodynamic damping in metal-matrix composites has been presented by the authors (Kinra and Milligan, 1994). Exact analytical solution for a variety of boundary-value problems have also been presented (Milligan and Kinra, 1993a and 1993b). Unfortunately, for complicated geometries the mathematics becomes intractable. Using the finite element method and radial basis function approximation, we develop a numerical technique for solving two-dimensional boundary-value problems in elastothermodynamic damping. As illustrative examples, we present solutions for a circular fiber embedded in a square matrix subjected to (i) a transverse, homogeneous biaxial boundary displacement and (ii) a transverse, homogeneous uniaxial boundary displacement.

author list (cited authors)

  • Bryan Milligan, K., & Kinra, V. K.

publication date

  • December 1994