A Numerical Method in Solving a Coupled Thermoelasticity Equation and Some Results.
Abstract
This report discusses a numerical method in solving a coupled dynamical thermoelasticity problem in a long hollow cylinder. The inner boundary conditions are the traction and the fluid temperature imposed on the inner surface of the cylinder, whereas the outer boundary is subjected to the ambient fluid temperature and is free of traction. This problem is solved by a finite element method in which the spatial and the time variables are discretized by several schemes. The study shows that the central explicit scheme for space discretization combined with a time marching scheme which incorporates moderate damping is suitable for this particular problem. Numerical results of the temperature and stress responses due to a modified step or single pulse are presented and discussed. One interesting observation is that, under high rate of stress loading, the coupling in the energy equation could generate temperature variations of significant magnitude. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 10, 1983
- Accession Number
- ADA130183
Entities
People
- H. Groneim
- J. Davis
- Y. y. Li
- Yunhui Chen
Organizations
- Rutgers University–New Brunswick