نتایج جستجو برای: load conditions

تعداد نتایج: 978814  

A Miglani N Kumari,

The plane strain deformation of an isotropic, homogeneous, poroelastic medium caused by an inclined line-load is studied using the Biot linearized theory for fluid saturated porous materials. The analytical expressions for the displacements and stresses in the medium are obtained by applying suitable boundary conditions. The solutions are obtained analytically for the limiting case of undrained...

Journal: :نشریه مهندسی عمران و نقشه برداری 0
امیدرضا صفی یاری دانشگاه تهران محمدعلی بنی هاشمی دانشگاه تهران

in this research, using an expansive channel in plan and along the longitudinal profile, deltaic reservoir sedimentation was studied. sedimentation in bed load governed conditions and delta formation in reservoir environment is a function of various parameters such as: geometrical shape of reservoir, bottom slope, hydrological properties and hydraulic conditions of inflowing stream, sediment lo...

2013
Yaffa Yeshurun Hadas Marciano

In this study we examined whether effects of perceptual load on the attentional selectivity are modulated by degradation of the visual input. According to the perceptual load theory, increasing task difficulty via degradation of stimulus visibility should not alter the typical effect of perceptual load. In previous studies only the target was degraded, resulting in increased distractor saliency...

In this paper, a heuristic mathematical model for optimal decision-making of a Distribution Company (DisCo) is proposed that employs demand response (DR) programs in order to participate in a day-ahead market, taking into account elastic and inelastic load models. The proposed model is an extended responsive load modeling that is based on price elasticity and customers’ incentives in which they...

A. Aziminejad H. Zare Banadkooki, M. R. Akbarpour jannat S. Mazaheri

It is proposed to use a single base platform in the Persian Gulf considering its low depth and more appropriate environmental conditions in comparison to North Sea and Mexico Gulf where this kind of platform is very popular. The pile of platform is responsible for transmission of environmental loads resulted from waves, currents, wind and dead loads to foundation of platform. Using SACS 5.3 sof...

The microgrid concept provides attractive solutions for reliability enhancement of power distribution systems. Normally, microgrids contain renewable-energy-based Distributed Generation (DG) units, which their output power varies with different environmental conditions. In addition, load demand usually changes with factors such as hourly and seasonal customer activities. Hence, these issues hav...

Journal: :international journal of nano dimension 0
r. ansari department of mechanical engineering, university of guilan, p.o. box 3756, rasht, iran h. rouhi department of mechanical engineering, university of guilan, p.o. box 3756, rasht, iran

in this paper, the stability characteristics of single-walled carbon nanotubes (swcnts) under the action of axial load are investigated. to this end, a nonlocal flügge shell model is developed to accommodate the small length scale effects. the analytical rayleigh-ritz method with beam functions is applied to the variational statement derived from the flügge-type buckling equations. molecular dy...

بارونی زاده, زینب, فردمال, جواد, معتمدزاده, مجید, کسرایی, شاهین, گلمحمدی, رستم,

Background & Objectives : High prevalence of musculoskeletal pain in dentistry represents the importance of investigation of working conditions in this profession to reduce musculoskeletal disorders.The purpose of this study was to determine the postural load on the upper limb postural using macro LUBA technique and the prevalence of musculoskeletal disorders. Methods: This study was conduct...

Mohieddin Ghomshei, M., Namazi, Sh.,

In this article, mechanical buckling analysis of tapered beams having constant width and variable thickness, made of two-dimensional functionally graded materials is studied. The beam is assumed to be made of metal and ceramic, where their volume fractions vary in both longitudinal and thickness directions based on the power law. The beam is generally subjected to combined concentrated and dist...

1994
Thierry Le Sergent Bernard Berthomieu

This paper discusses a load balancing technique for distributed processing systems in which the load may vary over a wide range and at a high rate. Each processor performs a source or server algorithm for migrating processes when its load crosses some assigned upper or lower bound; these bounds are dynamically adjusted. Taking into account the speed at which loads vary and the latency of the un...

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