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An elementary laminated beam theory and linear elastic fracture mechanics have been used to analyze initial core shear failure and corresponding initial crack sizes in foam core sandwich beams. The model is not intended for application to crack growth and kinking, which are observed in...
Previous works 1 used nonlinear finite element models to investigate the effects of barely visible impact damage (BVID) in sandwich structures. Through a comprehensive numerical study it was found that sandwich honeycomb panels with BVID fail due to wrinkling or core crushing at significantly...
Foam core sandwich composite panels repeatedly slammed onto the body of calm water indicate greater accumulation and progression of damage accompanied by lower lifetimes as a function of increasing slamming energy or lower deadrise angle. E—N (slamming energy vs. lifetime) curves showed an...
Although X-radiography has been widely used in studies of damage in composite materials, micro-tomography has received less attention, due to the high cost and limited availability of equipment. However, micro-tomographic analysis is a powerful tool, allowing 3D images of sections through...
An investigation on the structural performance of inserts within honeycomb sandwich panels is presented. The investigation considers metallic inserts in all aluminum sandwich panels and emphasis is placed on the structural performance difference between hot bonded and cold bonded inserts. The...
Panelized construction of residential buildings is gaining popularity due to the architectural and energy efficiency benefits that can be achieved. An important challenge to the design of panel structures for buildings is the balance between long-term structural performance and the thermal...
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