نتایج جستجو برای: wedge based three fields
تعداد نتایج: 4061128 فیلتر نتایج به سال:
This study aimed to theoretically evaluate soil thrust on a clay slope as reaction force associated with the motion of an off-road tracked vehicle. The existing concept potential failure modes block flat ground has extended determine sloped ground. Based upper-bound limit analysis, under most critical was derived for three modes: block, triangular-wedge, and trapezoidal-wedge failures. Specific...
We used the two available calculation algorithms of the Varian Eclipse 7.3 three-dimensional (3D) treatment planning system (TPS), the anisotropic analytic algorithm (AAA) and pencil-beam convolution (PBC), to compare measured and calculated two-dimensional enhanced dynamic wedge (2D EDW) dose distributions, plus implementation of the dynamic wedge into the TPS. Measurements were carried out fo...
We analyze and optimize the design of wedge transducers used for the excitation of resonances in the channel of a microfluidic chip in order to efficiently manipulate particles or cells in more than one dimension. The design procedure is based on (1) theoretical modeling of acoustic resonances in the transducer–chip system and calculation of the force fields in the fluid channel, (2) full-syste...
muhammad ibn muhammad ibn numan, known as "shaykh mufid," one of the great imamiye theologians and jurists in the fourth and early fifth century , had comprehensive mastery of both rational and traditional topics and exerted his influence upon both his contemporary and future scholors. he is considered to be one of the top imamiye scholars who spent his lifetime teaching, learning and authorin...
We study theoretically electromagnetic modes guided by metallic wedges at telecom wavelengths. These modes are found to exhibit superior confinement while showing similar propagation loss as compared to other subwavelength guiding configurations. It is also shown that mode focusing can be realized by gradual modification of the wedge geometry along the mode propagation direction.
Introduction: Problem-based education is a student-centered educational strategy in which students collaboratively analyze educational issues and reflect on their experiences. The purpose of this study was to investigate the effect of problem-based education on the evaluation of clinical skills of rehabilitation students at Ahvaz University of Medical Sciences. Methods: This is a quasi-experim...
objectives: knee osteoarthritis (oa) is a leading cause of disability in older adults. in current study, the effects of three types of orthoses on pain reduction were evaluated in oa patients in iran. methods & materials: in this prospective clinical trial, thirty six patients consisting of 11 men and 25 women with age (mean±sd) of 54.56±2.82 years and diagnosis of mild to moderate knee oa incl...
Approximate surface fields due to a plane-wave solution and a local-mode solution are compared. The plane-wave solution, which is new, is shown to agree well with experiment. The local-mode solution, which often has been applied to tapered waveguides and antennas, fails near the cutoffs of the surface waves.
according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...
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