نتایج جستجو برای: double variable
تعداد نتایج: 495230 فیلتر نتایج به سال:
In this paper we study a class of singular systems with double-phase energy. The main feature is that the associated Euler equation driven by Baouendi-Grushin operator variable coefficient. In such way, continue analysis introduced in [6] to case lack compactness corresponding whole Euclidean space. After establishing related pr...
The paper presents an economical model for double variable acceptance sampling with inspection errors. Taguchi cost function is used as acceptance cost while quality specification functions are normal with known variance. An optimization model is developed for double variables acceptance sampling scheme at the presence of inspection errors with either constant or monotone value functions. The m...
Background & Objectives: Numerous studies on improving physical fitness in bodybuilding athletes with resistance training have pointed the side effects of this type of training. Unfortunately, little research has been done on the effect of resistance training patterns on cardiovascular variations. The purpose of this study was to compare the effect of flat and double pyramid loading patterns of...
Double-diffusive mixed convection in a lid-driven square enclosure filled with Al2O3-water is numerically investigated. Two-dimensional nonlinear governing equations are discretized using the control volume method and hybrid scheme. The equations are solved using SIMPLER algorithm. The results are displayed in the form of streamlines, isotherms, and iso-concentrations when the Richardson number...
A variable reluctance machine (VRM) has been proven to be an outstanding candidate for electric vehicle (EV) applications. This paper introduces a new double-stator, 12/14/12-pole three-phase hybrid-excited modular variable reluctance machine (MVRM) for EV applications. In order to demonstrate the superiorities of the proposed structure, the static torque characteristics and dynamic performance...
Nonparametric control chart based on rank is used for detecting changes in median(mean). In this article ,Signed-rank control chart is considered with variable sampling interval. We compared the performance of Signed-rank with variable sampling interval (VSI-SR) to Signed-rank with Fixed Sampling interval (FSI-SR),the numerical results demonstrated the VSI feature is so useful. Bakir[1] showed ...
nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...
applications such as high definition viedeo reproduction, portable computers, wireless, and multimedia demand, and ever-increasing need for ligh-frequency high-resolution and low-power analog-to-digital converters. flash, two-step flash, and pipeline convertors are fast but consume large amount of power and require large area. to overcome these problems, successive approximation converter blo...
in this paper, based on cas wavelets we present quadrature rules for numerical solution of double and triple integrals with variable limits of integration. to construct new method, first, we approximate the unknown function by cas wavelets. then by using suitable collocation points, we obtain the cas wavelet coefficients that these coefficients are applied in approximating the unk...
spring back is responsible for inaccuracy of press formed sheet product. therefore, prediction of spring back is important for precise forming of stampings. to predict the amount of spring back many successful attempts have been made for simple cases such as single curved and u or v shape sheet metals. however, for more complex shapes containing double curves or double variable curved surfaces ...
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