نتایج جستجو برای: history of stresses

تعداد نتایج: 21185299  

Journal: :journal of mining and environment 2012
mohammad fatehi arash pashapour javad gholamnejad

most of the earth's crust contains fluids, and fractures are common throughout the upper part. they exist at a wide range of scales from micro-fractures within grains to major faults and shear zones that traverse the crust. in this paper, the stress-dependent permeability in fractured rock masses have been investigated considering the effects of nonlinear normal deformation and shear dilation o...

Journal: :پژوهش ادبیات معاصر جهان 0
بهناز نیرومند دانشگاه علامه طباطبایی، کارشناس ارشد حسین پیرنجم الدین دانشگاه اصفهان، دکترا

this paper is an attempt to shed light on how michael ondaatje has tried to rewrite western history in his booker prize-winning novel the english patient (1992). in the light of colonial and postcolonial theories and hayden white’s theory of narrativity of history, which regards historical accounts as metaphorical statements, the researchers try to show how ondaatje challenges the authenticity ...

A. H. Mahmoudi K. Behnam S. Heydarian

Residual Stress measurement has gained interests among researchers for many years due to its great influence on the structural integrity. Slitting method is one of the destructive techniques that relies on the introduction of an increasing cut to a part containing residual stresses. Similar to all other mechanical strain relief techniques, slitting also suffers from its shortcomings during the ...

Most of the Earth's crust contains fluids, and fractures are common throughout the upper part. They exist at a wide range of scales from micro-fractures within grains to major faults and shear zones that traverse the crust. In this paper, the stress-dependent permeability in fractured rock masses have been investigated considering the effects of nonlinear normal deformation and shear dilation o...

A. Beheshti, and A. Sadeghi Dolatabadi, M. Jamshidian, M. Salimi,

The mechanical behavior of cold rolled sheets is significantly related to residual stresses that arise from bending and unbending processes. Measurement of residual stresses is mostly limited to surface measurement techniques. Experimental determination of stress variation through thickness is difficult and time-consuming. This paper presents a closed form solution for residual stresses, in whi...

Gh Debkumar, L Abhijit R Kumar, R Surath

The present paper is devoted to the determination of displacement, stresses and temperature from three dimensional anisotropic half spaces due to presence of heat source. The normal mode analysis technique has been used to the basic equations of motion and generalized heat conduction equation proposed by Green-Naghdi model-II [1]. The resulting equation are written in the form of a vector –matr...

Journal: :Theoretical and Applied Mechanics Letters 2019

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0
علی جعفری کارشناس ارشد زراعت/ دانشگاه پیام نوراستان تهران

in order reaching to occurate water regime in the condition of minimum tillage and its effect on the yield and yield component physiological index of rice varieties, a experiment had carried out the agronomey year of 2006-2007 in the research field of shavour station. the experiment had carried out in split-plot design some randomized complete block with three replication that contains three wa...

Journal: :Journal of the Franklin Institute 1911

K. Vijaya Kumar Reddy Sidda Bathini,

In this paper, the flexural response of functionally graded plates with porosities is investigated using a novel higher order shear deformation theory, which considers the influence of thickness stretching. This theory fulfills the nullity conditions at the top and bottom of the plate for the transverse shear stresses, thus avoids the need of a shear correction factor. The effective material pr...

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