نتایج جستجو برای: field calculation

تعداد نتایج: 876090  

Journal: :International Journal of Mass Spectrometry and Ion Physics 1968

Journal: :International Journal of Electrical and Computer Engineering 2022

<span lang="EN-US">There is an interest in the biological effects of exposure to low-frequency electromagnetic fields issued by transmission lines on animals and humans. The generated are relevant for design operation power systems. study electric magnetic networks implemented commercial simulators bases finite element method. These characterized accuracy high hardware software requiremen...

Journal: :The Journal of the Acoustical Society of America 1994

2014
R. L. Spencer

A linear perturbation expansion has been found that allows the rapid and accurate calculation of the response of a non-neutral plasma to a tilted magnetic field. The results of the calculation have been found to agree with previous three-dimensional equilibrium calculations, and also to agree with Keinigs' [Whys. Fluids 24, 860 (1981)] calculation of zero-frequency resonances caused by magnetic...

Journal: :مدیریت آب و آبیاری 0
ساره سیاری دانشجوی دکتری سازه های آبی، بخش مهندسی آب، دانشگاه شهید باهنر کرمان، ایران مجید رحیم پور دانشیار بخش مهندسی آب، دانشگاه شهید باهنر کرمان، ایران محمد ذونعمت کرمانی استادیار بخش مهندسی آب، دانشگاه شهید باهنر کرمان، ایران

furrow irrigation is the most common type of surface irrigation. determine the advance and recession time in the field is required the accurate measurement and this can be costly and time consuming. winsrfr model is used for simulation furrow irrigation by zero inertia and kinematic wave engines. using this model, advance time, reaction time, infiltration depth, runoff depth and application eff...

حسن بیگی, علی, مهدیان, حسن, کارگریان, آمنه,

In this paper, the acceleration of an electron in the interaction with a plasma wave and a magnetized ion-channel is analyzed. The electron dynamics is studied treated employing complete three-dimensional Lorentz force equations. A relativistic three dimensional single particle code is used to obtain the electron-trajectories. The results of numerical calculation show that the electrons can be ...

Ali Shabestani Monfared, Mohammad Davoudi Mohammad Rahgoshay

Introduction: Monte Carlo calculation method is considered to be the most accurate method for dose calculation in radiotherapy. The purpose of this research is comparison between 6 MV Primus LINAC simulation output with commissioning data using EGSnrc and build a Monte Carlo geometry of 6 MV Primus LINAC as realistically as possible. The BEAMnrc and DOSXYZnrc (EGSnrc package) M...

2011
Zijun Li Xiaofang Zhou Chuanjin Lin Yongshun Huang Yuqun Chen

In this paper, the problems of calculating and solution about electromagnetic fields were studied. An accurate theory model was established which can apply in high-performance numerical calculation. The new calculating method was proposed using Maxwell’s equations in the circumstances of that electromagnetic field is static, axial symmetric, without charge and current distribution, finite, diff...

2013
Narapareddy Rama Rao

In this paper, the trajectories of free conducting particles of various sizes inside a three phase common enclosure Gas Insulated Busduct(GIB) are simulated by solving the nonlinear second order differential equation of particle motion iteratively by using RK 4 Order Method. Compressed Gas Insulated Substations(GIS) consists of a conductor supported by spacers inside of Sulphur hexafluoride gas...

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