Numerical analysis of diffuse and localized necking in orthotropic sheet metals
β Scribed by Holger Aretz
- Book ID
- 108147325
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 646 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0749-6419
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π SIMILAR VOLUMES
Theoretical prediction of forming limit strain of sheet metal is developed in the framework of the three-dimensional general bifurcation theory. The onset of the three-dimensional discontinuous velocity "eld in the biaxially stretched uniform sheet is predicted. Three fundamental mode vectors, i.e.
## Abstract A numerical analysis for the assessment of wrinkle formation tendencies in sheet metals is presented. A doublyβcurved thin shell element under biaxial plane stress states is considered, and the critical stress values for wrinkling are determined. The analysis is based on plastic bifurca