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Steel and Composite Structures Volume 46, Number 2, January25 2023 , pages 195-202 DOI: https://doi.org/10.12989/scs.2023.46.2.195 |
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On dynamic deflection analysis of sandwich beams under thermal and pulse loads |
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Mamoon A.A. Al-Jaafari, Haider Ali Hussein, Abdulaziz Saud Khider, Raad M. Fenjan and Nadhim M. Faleh
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| Abstract | ||
| Dynamic deflection analysis of sandwich beams with cellular core under thermal and pulse loads has been performed in the present article. The cellular core sandwich beam has two layers fortified by graphene oxide powder (GOP) which are micromechanically modeled by Halpin-Tsai formulation. The pulse load has blast type and is applied on the top side of sandwich beam. The system of equations has been developed based on higher-order beam theory and Ritz method. Then, they are solved in Laplace domain to derive the dynamic deflections. The dependency of beam deflection on temperature variation, GOP content, pulse load duration/location and core relative density has been studied in detail. | ||
| Key Words | ||
| composite; design; dynamic response; heat; thermal effect; sandwich beam; pulse load | ||
| Address | ||
| Mamoon A.A. Al-Jaafari, Haider Ali Hussein, Abdulaziz Saud Khider, Raad M. Fenjan and Nadhim M. Faleh: Al-Mustansiriah University, Engineering Collage P.O. Box 46049, Bab-Muadum, Baghdad 10001, Iraq | ||