Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 2 ، دوره 11، شماره 1 ، آذر 2021، صفحه 13-21 537.65 K )
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2021.5190.1641 نویسندگان
Meisam Shakouri* 1 Hessam Sarvahed 2 H.M. Navazi 2 1 Aerospace Engineering, Semnan University2 Aerospace Engineering, Sharif University
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 applications. In this paper, the free vibration behavior of carbon fiber reinforced composite cylinders ended with torispherical heads with various boundary conditions is investigated. The shape of a torispherical head is consists of a sphere of large radius and a much smaller minor radius at the knuckle. The numerical calculation with finite element method is obtained and the results were compared with the experimental data 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 ؛ carbon fiber reinforced plastics (CFRP) ؛ free vibration ؛ modal testing
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