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Shakouri, Meisam, Sarvahed, Hessam, Navazi, H. M.. (1400). Free vibration analysis of CFRP cylinders with torispherical heads: Experimental and numerical investigations. فناوری آموزش, 11(1), 13-21. doi: 10.22061/jcarme.2021.5190.1641
Meisam Shakouri; Hessam Sarvahed; H. M. Navazi. "Free vibration analysis of CFRP cylinders with torispherical heads: Experimental and numerical investigations". فناوری آموزش, 11, 1, 1400, 13-21. doi: 10.22061/jcarme.2021.5190.1641
Shakouri, Meisam, Sarvahed, Hessam, Navazi, H. M.. (1400). 'Free vibration analysis of CFRP cylinders with torispherical heads: Experimental and numerical investigations', فناوری آموزش, 11(1), pp. 13-21. doi: 10.22061/jcarme.2021.5190.1641
Shakouri, Meisam, Sarvahed, Hessam, Navazi, H. M.. Free vibration analysis of CFRP cylinders with torispherical heads: Experimental and numerical investigations. فناوری آموزش, 1400; 11(1): 13-21. doi: 10.22061/jcarme.2021.5190.1641

Free vibration analysis of CFRP cylinders with torispherical heads: Experimental and numerical investigations

Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 2، دوره 11، شماره 1، آذر 2021، صفحه 13-21    اصل مقاله (589.52 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2021.5190.1641
نویسندگان
Meisam Shakouri* 1؛ Hessam Sarvahed2؛ H. M. Navazi2
1Department of Aerospace Engineering, Semnan University, Semnan, P.O. Box: 35131-19111, Iran
2Department of Aerospace Engineering, Sharif University of Technology, Azadi Street, Tehran, P.O. Box: 11155-8639, Iran
تاریخ دریافت: 14 اردیبهشت 1398،  تاریخ بازنگری: 27 دی 1399،  تاریخ پذیرش: 30 دی 1399 
چکیده
Pressure vessels are used in a variety of applications in many engineering applications. The thin-walled cylinders with torispherical heads have been widely used as pressure vessels in engineering structures. The free vibration behavior of carbon fiber reinforced composite cylinders ended with torispherical heads with various boundary conditions is investigated in this paper. The shape of a torispherical head consists of a sphere of large radius and a much smaller minor radius at the knuckle. The numerical calculation with the finite element method is obtained and verified with experimental results to confirm the accuracy of the numerical solution. The acceptable accordance between experimental and numerical results leads to use of numerical model instead of expensive experimental tests. In addition, the effects of the thickness of torispherical head and cylindrical section and the lengths of cylinder and torispherical head on vibrational behavior of the structure are studied.
کلیدواژه‌ها
Torispherical heads؛ Ccarbon fiber reinforced plastics (CFRP)؛ Free vibration؛ Modal testing
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