The aim of this study is to obtain an understanding of the effect of panel curvature on residual compressive strength in debond damaged sandwich panels. Finite element analysis and linear elastic fracture mechanics are employed to analyze the residual compressive strength of curved panels with a circular debond. The Crack Surface Displacement Extrapolation (CSDE) method is used to calculate fracture parameters in the interface. Compression tests were carried out on two types of debonded curved panels with different curvature using Digital Image Correlation (DIC) measurements to determine the full-field distribution of strain. The failure and buckling loads predicted from finite element analyses are in good agreement with experimental results.
|Title of host publication||Sandwich Construction 8: ICSS 8 : Proceedings of the 8th International Conference on Sandwich Structures|
|Place of Publication||Porto, Portugal|
|Publisher||Faculty of Engineering, University of Porto|
|Publication status||Published - 2008|
|Event||8th International Conference on Sandwich Structures - Porto, Portugal|
Duration: 6 May 2008 → 8 May 2008
Conference number: 8
|Conference||8th International Conference on Sandwich Structures|
|Period||06/05/2008 → 08/05/2008|
Moslemian, R., Berggreen, C., & Branner, K. (2008). On the Effect of Curvature in Debonded Sandwich Panels Subjected to Compressive Loading. In Sandwich Construction 8: ICSS 8 : Proceedings of the 8th International Conference on Sandwich Structures (pp. 1121-1132). Faculty of Engineering, University of Porto.