Abstract
In order to avoid expensive 3-D finite element calculations for predicting the initial necking and post-necking behaviour during sheet metal forming, an internal length scale is incorporated directly into the constitutive relation. Thereby it is possible to account for thickness effect during necking in a 2-D plane stress analysis. The applicability of this approach is demonstrated in a number of simple sheet metal forming processes.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 4th international ESAFORM Conference on Material Forming |
| Editors | A.M. Habraken |
| Number of pages | 4 |
| Volume | 2 |
| Publication date | 2001 |
| Pages | 491-494 |
| Publication status | Published - 2001 |
| Externally published | Yes |
| Event | 4th International ESAFORM Conference on Material Forming - Liege, Belgium Duration: 23 Apr 2001 → 25 Apr 2001 Conference number: 4 |
Conference
| Conference | 4th International ESAFORM Conference on Material Forming |
|---|---|
| Number | 4 |
| Country/Territory | Belgium |
| City | Liege |
| Period | 23/04/2001 → 25/04/2001 |
Keywords
- Sheet metal forming
- Post-necking
- Internal length scale
- Gradient dependent plasticity
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