نتایج جستجو برای: truncated conical shells

تعداد نتایج: 53839  

M Ghannad M Jabbari M Zamani Nejad,

In this paper, thermo-elastic analysis of a rotating thick truncated conical shell subjected to the temperature gradient, internal pressure and external pressure is presented. Given the existence of shear stress in the conical shell due to thickness change along the axial direction, the governing equations are obtained based on first-order shear deformation theory (FSDT). These equations are so...

Journal: :journal of solid mechanics 0
m jabbari mechanical engineering department, yasouj university, p.o.box: 75914-353, yasouj, iran m zamani nejad mechanical engineering department, yasouj university, p.o.box: 75914-353, yasouj, iran m ghannad mechanical engineering faculty, shahrood university, shahrood, iran

in this paper, thermo-elastic analysis of a rotating thick truncated conical shell subjected to the temperature gradient, internal pressure and external pressure is presented. given the existence of shear stress in the conical shell due to thickness change along the axial direction, the governing equations are obtained based on first-order shear deformation theory (fsdt). these equations are so...

Using Donnell-type shell theory a simple and exact procedure is presented for linear buckling analysis of functionally graded conical shells under axial compressive loads and external pressure. The solution is in the form of a power series in terms of a particularly convenient coordinate system. By analyzing the buckling of a series of conical shells, under various boundary conditions and diffe...

Journal: :journal of applied and computational mechanics 0
a. azizi department of mechanical and aerospace engineering, science and research branch, islamic azad university, tehran, iran s. mohammad reza khalili centre of excellence for research in advanced materials and structures, faculty of mechanical engineering, k.n. toosi university of technology, tehran, iran k. malekzadeh fard malek ashtar university of technology, department of mechanical engineering, 4th kilameter, makhsous rd, tehran, iran

in this paper, dynamic analysis of the composite truncated sandwich conical shells (stcs) with various boundary conditions subjected to low velocity impact was studied analytically, based on higher order sandwich panel theory. impact was assumed to occur normally over to the top face-sheet and the contact force history is predicted using two solution models of the motion are derived based on ha...

A. Azizi K. Malekzadeh Fard S. Mohammad Reza Khalili,

In this paper, the dynamic analysis of the composite sandwich truncated conical shells (STCS) with various boundary conditions subjected to the low velocity impact was studied analytically, based on the higher order sandwich panel theory. The impact was assumed to occur normally over the top face-sheet, and the contact force history was predicted using two solution models of the motion which we...

2015
F. Bakhtiari-Nejad

This study deals with the vibrational behavior of two joined cross-ply laminated conical shells. Natural frequencies and mode shapes are investigated. Joined conical shells can be considered as a general case for joined cylindrical-conical shells, joined cylinderplates or cone-plates, cylindrical and conical shells with stepped thicknesses and also annular plates. Governing equations are obtain...

Journal: :Journal of the Japan Society for Aeronautical and Space Sciences 1973

A. Nasiri Rad H. Rouhi R. Ansari,

In this paper, natural frequency and response of forced vibration of composite laminated conical shells under different boundary conditions are investigated. To this end, equations of Donnell's thin shell theory are used as governing equations. The analytical Galerkin method together with beam mode shapes as weighting functions is employed to solve the problem. Due to importance of boundary con...

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