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RISAn improved network model for transmission expansion planning considering reactive power and network losses
A Two Element perturbed SIW Cavity Backed Slot Antenna Array
In this letter, a 2-Element antenna array constructed by using a perturbed SIW Cavity backed slot antenna in Ku band is presented. By employing perturbation technique, creating a corner cut in SIW square cavity, the resonant frequency of two...
An analytical solution for axisymmetric buckling of annular plates based on perturbation technique
, the resulting eigenproblem, which is in the form of coupled differential equations with variable coefficients, does not have a closed form solution. In this article, an asymptotic approximation based on the perturbation technique is introduced to solve...
A Perturbation Method to analyze the effect of cross section and angle of attack for some conical bodies in Hypersonic flow
A comparison analysis is performed to study the supersonic flow over conical bodies of three different cross sections circular, elliptic and squircle (square with rounded corners) shaped by using Perturbation techniques to find flow variables...
Comparison of Lift and Drag Forces for Some Conical Bodies in Supersonic Flow Using Perturbation Techniques
and squircle (square with rounded corners) shaped by using Perturbation techniques to find flow variables analytically. In order to find lift and drag forces the pressure force on the body is found, the component along x is drag and the component along z...
Analytical modeling of nonlinear vibrations in a 2-DOF airfoil device based on an unsteady flow model
The objective of this paper is to provide an analytical framework based on Wagner’s unsteady flow model, to study the nonlinear dynamic of pitch and plunge DOFs in airfoils. To this end, the nonlinear equations of motion ...