نتایج جستجو برای: stiffened cylindrical shell

تعداد نتایج: 77087  

2012
P.Kiran Kumar

This review paper aims to present an updated review of papers, conference papers, books, dissertations dealing with nonlinear vibrations of circular cylindrical thin shells. This paper surveyed mathematically, experimentally, analytically, numerically analyzed vibrations of cylindrical shells. This includes shells of open type, closed type, with and without fluid interactions; shells subjected ...

Journal: :MATEC web of conferences 2023

Cylindrical shell in engineering has different cross-section, i.e., circular section, oval rectangular and so on. In this work, numerical analysis is conducted on natural vibration of cylindrical with the difference studied between modal frequency shape from section shell. Numerical results show that, same length, width /thickness boundary condition, first 10 order nearly 60% bigger than that T...

Journal: :نشریه دانشکده فنی 0
محمود شریعتی دانشگاه صنعتی شاهرود مسعود مهدی زاده رخی دانشگاه صنعتی شاهرود

understanding how a cutout influences the load bearing capacity and buckling behavior of cylindrical shells is fundamental in the design of structural components used in automobiles, aircrafts, and marine structures. in this article, simulation and analysis of steel cylindrical shells with various lengths, include quasi elliptical cutout, subjected to axial compression were systematically carri...

2013
P. Ziemann

In this paper an optimization problem for a cylindrical shell is discussed. The aim is to look for an optimal thickness of a shell to minimize the deformation under an applied external force. As a side condition, the volume of the shell has to stay constant during the optimization process. The deflection is calculated using an approach from shell theory. The resulting control-to-state operator ...

M Aghaie-Khafri, M Saadatfar

The behavior of an exponentially graded hybrid cylindrical shell subjected to an axisymmetric thermo-electro-mechanical loading placed in a constant magnetic field is investigated. The hybrid shell is consisted of a functionally graded host layer  embedded with pyroelectric layers as sensor and/or actuator  that can be imperfectly bonded to the inner and the outer surfaces of a shell. The shell...

2006
Ken-ichi Nakao

The gravitational collapse of a cylindrical thick shell of dust matter is investigated. A spacetime singularity forms at the symmetry axis and it is necessarily naked, i.e., observable in principle. We propose a physically reasonable boundary condition at the naked singularity to construct the solution including its causal future. This boundary condition enables us to construct the unique conti...

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