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Structural Engineering and Mechanics Volume 73, Number 6, March25 2020 , pages 715-724 DOI: https://doi.org/10.12989/sem.2020.73.6.715 |
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Experimental and numerical bending deflection of cenosphere filled hybrid (Glass/Cenosphere/Epoxy) composite |
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Harsh Kumar Pandey, Himanshu Agrawal, Subrata Kumar Panda,
Chetan Kumar Hirwani, Pankaj V. Katariya and Hukum Chand Dewangan
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Abstract | ||
The influence on flexural strength of Glass/Epoxy laminated composite curved panels of different geometries (cylindrical, spherical, elliptical, hyperboloid and flat) due to inclusion of nano cenosphere filler examined in this research article. The deflection responses of the hybrid structure are evaluated numerically using the isoparametric finite element technique and modelled mathematically via higher-order displacement structural kinematics. To predict the deflection values, a customised in-house computer code in MATLAB environment is prepared using the higher-order isoparametric formulation. Subsequently, the numerical model validity has been established by comparing with those of available benchmark solution including the convergence characteristics of the finite element solution. Further, a few cenosphere filled hybrid composite are prepared for different volume fractions for the experimental purpose, to review the propose model accuracy. The experimental deflection values are compared with the finite element solutions, where the experimental elastic properties are adopted for the computation. Finally, the effect of different variable design dependent parameter and the percentages of nano cenosphere including the geometrical shapes obtained via a set of numerical experimentation. | ||
Key Words | ||
experimental bending; hybrid composite; glass cenosphere; FEM, HSDT | ||
Address | ||
Harsh Kumar Pandey, Himanshu Agrawal, Subrata Kumar Panda, Chetan Kumar Hirwani, Pankaj V. Katariya and Hukum Chand Dewangan Harsh Kumar Pandey: Department of Mechanical Engineering, Dr. C.V. Raman Institute of Science & Technology, Bilaspur (C.G.), India Himanshu Agrawal: Department of Mechanical Engineering, Government Engineering College, Jagdalpur, Chhattisgarh, India 494001 Subrata Kumar Panda, Hukum Chand Dewangan: Department of Mechanical Engineering, NIT Rourkela, Rourkela, Odisha, Sundergarh, India 769008 Chetan Kumar Hirwani: Department Mechanical Engineering, National Institute of Technology Patna, Bihar, India, 800005 | ||