نتایج جستجو برای: experimental stress analysis
تعداد نتایج: 3723468 فیلتر نتایج به سال:
this paper presents a finite element analysis and its related experimental test of corrugated steel web beams subjected to fatigue loading. a particular focus in this study was set on the fatigue failure arising from the web-to-flange welded joint of the corrugated steel web beam. a detailed three-dimensional finite element model which explicitly includes the geometry of the web-to-flange welds...
Objective: The status of women with addicted spouses is sensitive to their individual problems and roles against their spouse, children and society. Special attention is needed to this group. The purpose of this study was to determine the Effectiveness of resilient education on reducing of perceived stress and communicative problems of women with abandoned addicted spouse. Method: The research...
Objectives: The aim of this study was to investigate the effects of group acceptance and commitment therapy (ACT) on job stress and burnout among personnel of Islamic Azad University, Azadshahr branch. Method: Ninety-six personnel of Islamic Azad University, Azadshahr branch were selected by volunteer available sampling method and assigned randomly to three experimental, let’s talk and control ...
Background: Infertility is global problem that leads to psychological complications. Studies show that the psychological damage caused by infertility is far greater in women that in men. Infertility reduces psychological well-being and causes infertility stress in infertile women. The objective of the present research was to determine the effectiveness of a positive thinking based poetry therap...
welding is one of the most important assembling methods which are widely applied in different applications. in service conditions, some of the weld joints which meet defects must be repaired. the residual stresses impress the operation and efficiency of the repair weldment. in this study, the temperature and the residual stress fields were investigated by both the finite element simulation and ...
abstract this research was conducted in toroq experimental field station, mashhad, iran, for two successive cropping seasons (2000-2002), using split plot experimental design based on complete randomized blocks with three replications. moisture stress treatments (at seven levels) were assigned to main plots, including: d1 ( full irrigation), d2 (no irrigation from one-leaf to double ridge) stag...
Background and purpose: Learning difficulty in mathematics is one of the most common problems in students. The purpose of this study was to investigate the effect of maternal stress management skills training on improvement of problem-solving skills in students with dyscalculia. Materials and methods: A quasi-experimental study with pre-test post-test control group design was carried out in 30...
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
Mental retardation is one of the most significant problems of human society among children and adolescents. It puts families, especially mothers, under a lot of stress and threatens their mental health. The initial purpose of this study was to determine the effect of stress inoculation training on coping styles and psychological well-being status in women who have children with mental retardati...
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