Investigation about Influence of Product Methods and Different Cores on Buckling and Post Buckling Behaviors of Sandwich Panels

Sam Barati Nardin, Javad Rabiee Ezbarami, Reza Fazeli
2018 Universal Journal of Materials Science  
Despite of laminate or sandwich composite materials structure, mechanical behavior can estimate by methods or analytical relations like laminates classical theory according factors just like mechanical properties, fiber percentage, and product methods and etc. but generally these estimates are far from experimental results. This paper investigates about influence of product methods and different cores on buckling and post buckling behaviors of sandwich panels. Each panel was built by to quit
more » ... built by to quit different product method, hand layup or vacuum bag infusion procedure with different core. To build the panels an effort had made to choice materials which have usage in marine industry, special for high speed boats. Sandwich panels have 150×450 mm 2 dimensions and one simply support and one clamed support. After tests, numerical models results which drive from finite element software are compared with experimental data. The results represent that combined model is suitable for simulate buckling and post buckling behavior. After chosen the software model, different parameters were evaluated whom the link element has the most efficacy on numerical results.
doi:10.13189/ujms.2018.060304 fatcat:tdfn222ldjcnbi7kicy53sulry