نتایج جستجو برای: static approximation

تعداد نتایج: 301849  

Journal: :amirkabir international journal of electrical & electronics engineering 2015
f. a. namin

metallic nanoparticles can exhibit very large optical extinction in the visible spectrum due to localized surface plasmon resonance. spherical plasmonic nanoparticles have been the subject of numerous studies in recent years due to the fact that the scattering response of spheres can be analytically evaluated using mie theory. however a major disadvantage of metallic spherical nanoparticles is ...

امیری, سعیده, فتحی, رضا,

In the present work, the scattering differential cross section has been investigated for ion-multi electron atoms collision in the charge transfer channel. For this purpose, an active electron model was implemented and the collision process was considered as a three-body impact in the high energy range. A semi-classical formalism was used with the eikonal distorted wave function to describe the...

Journal: :Nuclear Physics B - Proceedings Supplements 1993

Journal: :computational methods in civil engineering 2011
a. rezaei mojdehi a. darvizeh a. basti

in this paper, three dimensional (3d) static and dynamic analysis of thick plates based on the meshless local petrov-galerkin (mlpg) is presented. using the kinematics of a three-dimensional continuum, the local weak form of the equilibrium equations is derived. a weak formulation for the set of governing equations is transformed into local integral equations on local sub-domains by using a uni...

زهره کارگر , , وحید دهقانی, ,

In this paper, we have presented the optimized BCS formalism using the isothermal probability distribution. The effect of statistical fluctuations on thermodynamical properties of nuclei has been investigated. The average gap parameter is calculated and then the energy, the entropy and the heat capacity are evaluated. The resulting values are compared with results of the standard BCS and the ...

Journal: :Journal of Mathematical Sciences 2022

We propose a fast method of high order approximations for the solution stationary thermoelastic system in ℝ3 unknown displacement vector u and temperature T. The problem determining T is an independent can be obtained by solving Dirichlet Laplace equation. When known, Lamé system, where gradient treated as mass force. Using basis functions introduced theory approximate approximations, we derive...

B. Ahmadi-Nedushan, H. Rahimi Bondarabadi, S.A. Alavi,

In this article, an efficient methodology is presented to optimize the topology of structural systems under transient loads. Equivalent static loads concept is used to deal with transient loads and to solve an alternate quasi-static optimization problem. The maximum strain energy of the structure under the transient load during the loading interval is used as objective function. The objective f...

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