نتایج جستجو برای: wave simulation
تعداد نتایج: 760433 فیلتر نتایج به سال:
in this paper, scattering of a plane and monochromatic electromagnetic wave from a nano-wire is simulated using surface integral equations. first, integral equationsgoverning unknown fields on the surface is obtained based on stratton-cho surface integral equations. then, the interaction of the wave with a non-plasmonic as well as a palsmonic nano-wire is considered. it is shown that in scatter...
Understanding the wave pattern as a first step in marine studies is very important. The global models as a source of data can be used to simulate local waves. Before applying them, their results should be evaluated. One of the most important global models is the ECMWF model. Based on the wave simulation in the northern coast of the Persian Gulf, it can be said that the ECMWF model results are o...
contrary to the long period ground motions that can be predicted and estimated, high frequency ground motions have random character and behave stochastically. stochastic modeling methods are usually used for the modeling of high frequency ground motions where there are not strong ground motion records. stochastic methods are of two kinds: in the first one, the seismic source is considered as a ...
ساختارهای مزوسکوپیک شامل لایه های فرومغناطیس و ابررسانا مورد توجه زیادی قرار گرفته اند. این ساختارها همبستگی کوانتومی بین آثار همدوسی در فلز عادی یا فرومغناطیس و همدوسی ذاتی ابررسانایی را که توسط بازتاب آندریو تامین می شود، به نمایش می گذارند. در این پایان نامه رسانندگی تونلی یک پیوند ابررسانای نوع-p/ فلز عادی/ فرومغناطیس ( f/n/p-wave sc) بر پایه گرافن را با استفاده از معادله دیراک-بوگولیوبو...
In this paper, the modification of Endurance Wave Analysis (EWA) in assessment of offshore platforms based on the new-wave theory is introduced. EWA is a new method to estimate the response of offshore structures in different sea states by use of incremental records. This study is offered practical procedures to select time duration and intensifying trend of the records. In addition, a simplifi...
The potentiality of millimter-wave (mm-wave) double-drift region (DDR) impact avalanche transit time (IMPATT) diodes based on a wide bandgap (WBG) semiconductor material, Gallium Phosphide (GaP) has been explored in this paper. A non-sinusoidal voltage excited (NSVE) large-signal simulation method has been used to study the DC and high frequency characteristics of DDR GaP IMPATTs dsigned to ope...
In this article, a meshless method based on exponential basis functions (EBFs) is presented to simulate the harmonic waves with moving free-surfaces generated by the piston-type wave maker. Accordingly, velocity potential is adopted in a Mixed Eulerian-Lagrangian (MEL) approach. Boundary conditions are met through a point-wise collocation approach. In order to update the geometry in the simulat...
Almquist, M. 2017. Efficient Simulation of Wave Phenomena. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1463. 42 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-554-9777-4. Wave phenomena appear in many fields of science such as acoustics, geophysics, and quantum mechanics. They can often be described by partial differential equati...
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