Analysis of sandwich beams by 2D elasto-plastic formulation and a joint element

• Type: Article in International Conference Proceedings Book
• Date: 1998

Authors

Luísa Costa Sousa (Author) FEUP; Ferreira, AJM (Author) FEUP; José César de Sá (Author) FEUP

Conference proceedings International

Title: SANDWICH CONSTRUCTION 4, VOLS I AND II

Pages: 339-350

4th International Conference on Sandwich Construction

STOCKHOLM, SWEDEN, JUN 09-11, 1998

Indexing

ISI Web of Knowledge - 0 Citations

Other information

Authenticus ID: P-001-9QY

Abstract (EN): Sandwich structures are usually analysed by different methods of finite element representation. Most of them apply an ideal interface that will not collapse during deformation. As the core and the adhesive are weaker than the skins, it is expected that the performance of the adhesive will play a significant role. In this paper, it is proposed an analysis of sandwich beams that considers the plasticity of the core and of the skin. The 2D analysis considers an elasto-plastic formulation based on an associative formulation. It is proposed also the inclusion of a joint element at the skin-core interface. This element may collapse plastically, and debonding will occur. Results so far illustrate the need of such refined analysis.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6