Abstract
A numerical procedure is presented for the time-transient analysis of the thermo-mechanical phenomena occurring during steel welding processes and of the residual stresses. At each time step the temperature field is calculated taking into account temperature-dependent thermal properties; then for subintervals of each time step elastoplastic analyses are carried out considering again temperature-dependent mechanical properties. The thermal load is simulated using a procedure based on Gaussian heat source surfaces. The time integration of the nonlinear equation of heat transport is carried out using a three-level scheme, with variable step sizes. A numerical example of practical interest is shown, for which experimental data are available.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 96-104 |
| Number of pages | 9 |
| Journal | International Journal of Computer Applications in Technology |
| Volume | 1 |
| Issue number | 1-2 |
| State | Published - Dec 1 1988 |
ASJC Scopus subject areas
- Software
- Information Systems
- Computer Science Applications
- Computer Networks and Communications
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering
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