نتایج جستجو برای: normal mode analysis and vector matrix

تعداد نتایج: 17399593  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران - دانشکده مهندسی مکانیک 1385

در این رساله با به کارگیری فرآیند fmea (failure mode and effect analysis و با نگاهی چند جانبه و علت گرا ریشه های احتمالی خرابی یک پمپ گریز از مرکز با سرویس lpg مورد بررسی و مطالعه قرار گرفته است. ابتدا با جمع آوری و بررسی آمار خرابی 368 پمپ در یک دوره هشت ساله، پمپ با بیشترین آمار خرابی به عنوان یک نمونه مطالعاتی انتخاب شد و با بررسی مستندات مربوط به فعالیت های تعمیراتی پمپ مذکور، مشخص شد که...

2005
Jae-Hong Pyo Jie Shen JIE SHEN

A rigorous normal mode error analysis is carried out for two second-order projection type methods. It is shown that although the two schemes provide second-order accuracy for the velocity in L-norm, their accuracies for the velocity in H1-norm and for the pressure in L2-norm are different, and only the consistent splitting scheme introduced in [6] provides full second-order accuracy for all var...

Journal: :iranian journal of neonatology 0
ali vafaee najar associate professor, health services management, health sciences research center, department of health and management, school of health, mashhad university of medical sciences, mashhad, iran hassan ghane msc, health services management, school of health, mashhad university of medical sciences, mashhad, iran hossein ebrahimipour associate professor, health services management, health sciences research center, department of health and management, school of health, mashhad university of medical sciences, mashhad, iran golam abbas nouri msc, health services management, imam reza hospital administrator, school of health, mashhad university of medical sciences, mashhad, iran bita dadpour md, internist, clinical toxicologist, assistant professor, imam reza hospital, mashhad university of medical sciences, mashhad, iran

prevention of medication errors in neonatal intensive care units (nicus) is of paramount importance due to age-specific and physiological conditions of neonates. this study aimed to evaluate the risk of medication prescription and administration via failure mode and effects analysis (fmea), which was carried out at the research and medical teaching center of imam reza hospital in mashhad, iran....

A novel and eective method based on Haar wavelets and Block Pulse Functions(BPFs) is proposed to solve nonlinear Fredholm integro-dierential equations of fractional order.The operational matrix of Haar wavelets via BPFs is derived and together with Haar waveletoperational matrix of fractional integration are used to transform the mentioned equation to asystem of algebraic equations. Our new met...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

Journal: :international journal of data envelopment analysis 2014
b. nasr esfahani h. shirouyehzad f. mokhatab rafiei

the need to establish power plants to supply the required electricity of the country has been rising due to increasing demand levels as well as the lack of governmental resources. furthermore, the available traditional attitude in performing and conducting power plant projects has made government seek a modern attitude. this paper tries to use the topics that have been employed in automotive in...

2012
Ying Chen

This article explained the financial innovation service product fundamental mode of supply chain finance, and explored the risk of supply chain finance. Fuzzy ordinal regression support vector machine is used to analysis the risk of supply chain finance by the index system of risk assessment, and the results were effective and could be improved in the future.

Journal: :J. Comput. Physics 2012
Xavier Garnaud Lutz Lesshafft Peter J. Schmid J.-M. Chomaz

Linear stability analysis of fluid flows usually involves the numerical solution of large eigenvalue problems. We present a spectral transformation allowing the computation of the least stable eigenmodes in a prescribed frequency range, based on the filtering of the linearized equations of motion. This “shift-relax” method has the advantage of low memory requirements and is therefore suitable f...

Journal: :journal of mahani mathematical research center 0
ayyub sheikhi department of statistics, faculty of mathematics and computer, shahid bahonar university of kerman, kerman, iran.

let x1;x2;...;xn have a jointly multivariate exchangeable normal distribution. in this work we investigate another proof of the independence of x and s2 using order statistics. we also assume that (xi ; yi); i =1; 2;...; n; jointly distributed in bivariate normal and establish the independence of the mean and the variance of concomitants of order statistics.

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