نتایج جستجو برای: hoop stress

تعداد نتایج: 439245  

2008
R. C. Batra

We find closed-form solutions for axisymmetric plane strain radial deformations of a functionally graded circular hollow cylinder and radial expansion/contraction of a hollow sphere loaded on inner and outer surfaces by uniform hydrostatic pressures. The cylinder and the sphere are presumed to be made of isotropic and incompressible linear elasticmaterials with the shearmodulus a general functi...

2017
Peter R Greene

Background: Scaling laws for cylindrical column buckling are reviewed, applicable to the cardio-vascular system arteries or veins of various thicknesses to diameter ratios. Methods: Critical buckling load scales as (hr/L^2) for axial loads, (h/r)^3 for compressive circumferential loads, and ( h/r)^0.5 for pulse wave velocity. Results: Arteries and veins are most susceptible to buckling failure ...

Journal: :Journal of Applied Logic 2016

Journal: :Journal of animal science 2011
A K Johnson S M Lonergan W D Busby S C Shouse D L Maxwell J D Harmon M S Honeyman

The use of hoop barns as an alternative housing system for beef cattle has not been widely researched. The objectives of this study were to determine the main effects of behavior of steers 1) over winter and summer, 2) when housed in either a hoop barn or a conventional feedlot, and 3) interactions between season and housing system. A total of 960 crossbred Bos taurus steers were used [August 2...

2011
Kook Hyun Wang Dae Hee Hwang Jin Ho Cho Sachin D. Changale Sung Jong Woo Kyung Wook Nha

We report here on a new arthroscopic direct repair technique for a radial tear of the posterior root of the medial meniscus (PRMM) using a posterior trans-septal portal. Radial tears of the PRMM are commonly observed in the elderly population of Korea and Japan, and the life style of these people requires squatting and kneeling down in daily life. A radial tear of the PRMM results in the loss o...

Journal: :Safety of nuclear waste disposal 2023

Abstract. The restart of the search for a final repository high-level nuclear waste in Germany and resulting so-called white map lead to reassessment safety interim storage as well. Due increase periods with prospected timescale until 2068, among other things, renewed consideration cladding tube integrity is required handling fuel assemblies during repackaging into containers. Besides oxide for...

Esmizadeh, S., Haftbaradaran, H., Mossaiby, F.,

Experiments have frequently shown that phase separation in lithium-ion battery electrodes could lead to the formation of mechanical defects, hence causing capacity fading. The purpose of the present work has been to examine stress intensity factors for pre-existing surface cracks in spherical electrode particles during electrochemical deintercalation cycling using both analytical and numerical ...

In this paper, we introduce the concepts of n-fold obstinate pseudo-hoop and n-fold obstinate filter in pseudo-hoops. Then we investigated these notions and proved some properties of them. Also, we discussed the relationship between n-fold obstinate pseudo-hoop and n-fold obstinate filter and other types of n-fold pseudo-hoops and n-fold filters such as n-fold (positive) implicative filter and ...

Journal: :Energies 2022

Lost circulation is considered a time-consuming, costly problem during the construction of oil and gas wells. There are several preventive techniques to mitigate this problem. Stress cage technology mechanical lost method, in which formation at wellbore wall strengthened stop creation induced fractures as one main causes circulation. In research, two-dimensional numerical model, considering ela...

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