نتایج جستجو برای: mechanics

تعداد نتایج: 141179  

M. H. Korayem Z. Rastegar

Contact mechanics is related to the deformation study of solids that meet each other at one or more points. The physical and mathematical formulation of the problem is established upon the mechanics of materials and continuum mechanics and focuses on computations involving bodies with different characteristics in static or dynamic contact. Contact mechanics gives essential information for the s...

Journal: :international journal of nanoscience and nanotechnology 2012
m. h. korayem z. rastegar

contact mechanics is related to the deformation study of solids that meet each other at one or more points. the physical and mathematical formulation of the problem is established upon the mechanics of materials and continuum mechanics and focuses on computations involving bodies with different characteristics in static or dynamic contact. contact mechanics gives essential information for the s...

Journal: :حکمت و فلسفه 0
علی پایا هیئت علمی دانشگاه علامه طباطبایی

the aim of the present paper is to sbo» that anti-realism in science, 1vhich has a1;guab/y become more fashionable in recentyears, contrary to tuha: its proponents assert, cannot make use of quantum mechanics and its impressiue achievements as a frump card in justifying its claims. i will argue that scientific anti-realism far from providing scientific communiry with a progressive methodologica...

Journal: :journal of solid mechanics 0
a fatahi-vajari department of mechanical and aerospace engineering, science and research branch, islamic azad university, tehran, iran a. imam department of mechanical and aerospace engineering, science and research branch, islamic azad university, tehran, iran

this paper investigates the lateral vibration of single-layered graphene sheets based on a new theory called doublet mechanics with a length scale parameter. after a brief reviewing of doublet mechanics fundamentals, a sixth order partial differential equation that governs the lateral vibration of single-layered graphene sheets is derived. using doublet mechanics, the relation between natural f...

ژورنال: بیهوشی و درد 2023

Aims and background: Abnormal hip and knee mechanics are often implicated in runners with history of injury. We considered evaluating a simple gait-retraining protocol, using auditory-external feedback, in runners with running-related injuries and abnormal hip and knee mechanics. The effect of using external-feedback may have been more profound if the content of instruction had been relevant to...

Journal: :iranian journal of cancer prevention 0
mohammed rafiq khan dept. of biotechnology, molecular diagnosis and drug discovery laboratory, school of life sciences, karpagam university, coimbatore, tamilnadu, india sellappa sudha dept. of biotechnology, molecular diagnosis and drug discovery laboratory, school of life sciences, karpagam university, coimbatore, tamilnadu, india

background: occupational and environmental exposures mostly represent mixtures of genotoxic agents, whereas the specificity of biomarker measurements varies widely. exploration of correlations among biomarkers contributes to the further progress of molecular cancer epidemiology and to the selection of the optimal biomarkers for the investigation of human exposure to carcinogens. the aim of this...

Journal: :journal of applied and computational mechanics 2015
mehdi shahabi ali nayebi

springback is one of the most common and important issues in metal forming area. due to it depends on variety of parameters, it is hard to predict. hence, in this paper, the effect of continuum damage mechanics (cdm) based on the lemaitre isotropic unified damage lawon springback was investigated. swift’s hardening law was employed to describe isotropic hardening behavior.the result showed cons...

A Fatahi-Vajari A. Imam,

This paper investigates the lateral vibration of single-layered graphene sheets based on a new theory called doublet mechanics with a length scale parameter. After a brief reviewing of doublet mechanics fundamentals, a sixth order partial differential equation that governs the lateral vibration of single-layered graphene sheets is derived. Using doublet mechanics, the relation between natural f...

Journal: :iranian journal of public health 0
ahmad faisal ahmad nasaruddin shamsul bahri mohd tamrin karmegam karuppiah

background: the primary objective of this study was to determine the association between risk factors and the prevalence of musculoskeletal disorder (msd) among auto repair mechanics in klang valley, malaysia. methods: overall, 191 mechanics from eight auto repair centers in klang valley, malaysia were stratified sampling as participants of this study. a modified version of the general standard...

This paper presents an original interactive analysis method consisting of mathematical calculation based on theoretical mechanics and mechanics of materials, and dynamics simulation for quantifying outrigger reaction forces of a kind of hydraulic mobile crane, aiming to avoid the eventualities during normal operation as far as possible, for example, tipping-over. First, a three dimensional dyna...

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