نتایج جستجو برای: numerical method
تعداد نتایج: 1856183 فیلتر نتایج به سال:
the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...
چکیده ندارد.
one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...
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in this paper, the approximate solution of the differential system modeling hiv infection of cd4+ t cells isobtained by a reliable algorithm based on an adaptation of the standard variational iteration method (vim), which is called the multi-stage variational iteration method(msvim). a comparison between msvim and the fourthorder runge-kutta method (rk4-method) reveal that the proposed techniqu...
چکیده ندارد.
the development of a conceptual model that best accounts for the different parameters influencing lnapl fate and transport in groundwater is ultimate the key to a successful simulation of lnapl concentration in groundwater. characterization of hydrocarbon sources and identification of areas with heavy lnapl loadings from point and non-point sources is important for land use planners and environ...
چکیده ندارد.
in this paper, we present a new iterative method with order of convergence eighth for solving nonlinear equations. periteration this method requires three evaluations of the function and one evaluation of its first derivative. a general error analysis providing the eighth order of convergence is given. several numerical examples are given to illustrate the efficiency and performance of the new ...
با استفاده از فرضیات دوبوئی و بکار بردن معادلات حرکت مسئله زهکشی سریع از یک محیط متخلخل با تخلخل یکنواخت و سفره آب آزاد در مجاورت یک رودخانه مورد مطالعه قرار گرفته است . مساله بصورت یک و دو بعدی مطرح شده که برای حل معادلات دیفرانسیل مربوطه روشهای عددی (numerical method) پیشنهاد گردیده که پایداری و وابستگی بدون شرط uncondittionally stability unconditiionally consistency معادلات با تفاوتهای محدود...
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