نتایج جستجو برای: functionally graded hollow cylinder

تعداد نتایج: 111165  

Journal: :Physical review. D, Particles and fields 1994
Clément Zouzou

We determine the different possible space-time metrics inside an infinite rotating hollow cylinder with given energy density and longitudinal and azimuthal stresses, the metric outside the cylinder being chosen of the spinning cosmic string type. The solutions we obtain for various domains of values of the cylinder parameters include a space-time with topologically Euclidean spatial sections, a...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2010

Journal: :Volume 6, Issue 8, August 2020 2020

2010
Bing BAI

An analytical method is derived for the thermal consolidation of a saturated, porous, hollow cylinder with infinite length. The solutions in Laplace transform space are first obtained and then numerically inverted by Stehfest method. Two cases of boundary conditions are considered. First, variable thermal loadings are applied on the inner and outer pervious lateral surfaces of the hollow cylind...

صمدی, احد , غایب لو , معصومه,

To evaluate the effect of inoculant addition on functionally graded microstructure of centrifugally cast Al-Mg2Si composites, two cylinders of Al-13.8 wt.% Mg2Si with and without the addition of 1 wt.% Al-5Ti-B inoculant were cast in a vertical centrifugal casting machine. The chemical composition, microstructures and microstructural phases of the different radial sections of the cast cylinders...

Journal: :iranian journal of mechanical engineering transactions of the isme 0
abbas heydari m.sc. in structural engineering, school of civil engineering, sharif university of technology, tehran

thermo-elasto-plastic analyses of thick-walled spherical tanks made of functionally graded materials are investigated analytically. these tanks are subjected to positive or negative temperature gradient and internal pressure loadings separately or simultaneously. the power law modeling has been used for through-the-thickness variation of mechanical properties. von mises yield criterion and elas...

Journal: :Mechanics of Advanced Materials and Structures 2012

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