نتایج جستجو برای: new differential quadrature methodology
تعداد نتایج: 2299501 فیلتر نتایج به سال:
A low power and low-phase noise quadrature voltage controlled oscillator (QVCO) using the differential complementary Colpitts oscillator topology has been developed. A transformer inductor is used to form a differential output oscillator and the back-gate coupling technique is used to generate quadrature outputs. The advantage of proposed QVCO is analyzed in terms of power consumption, phase no...
This paper presents a new semianalytical approach for geometrically nonlinear vibration analysis of Euler-Bernoulli beams with different boundary conditions. The method makes use of Linstedt-Poincaré perturbation technique to transform the nonlinear governing equations into a linear differential equation system, whose solutions are then sought through the use of differential quadrature approxim...
تحلیل تنش پوسته های ساخته شده از (functionally graded material) یا fgm تحت بارمکانیکی و حرارتی، با درنظر گرفتن تیوری تغییر شکل برشی مرتبه اول (fsdt) مورد بررسی قرار گرفته اند. پنج معادله تعادل حاکم بر سازه و پنج شرط مرزی در هر لبه سازه با استفاده از اصل حداقل انرژی پتانسیل بدست آورده شده اند. این معادلات به همراه ده معادله ساختاری، در مجموع پانزده معادله دیفرانسیل جزیی مرتبه اول می باشند که برا...
خمش پوسته های ارتوتروپیک، با در نظر گرفتن تئوری تغییر شکل برشی مرتبه اول (fsdt) مور بررسی قرار گرفته اند. مرزهای پوسته باید محور های اصلی پوسته باشند. پنج معادله تعادل حاکم بر سازه و پنج شرط مرزی در هر لبه سازنده با استفاده از اصل حد اقل انرژی پتانسیل بدست آورده شده اند. این معادلات به همراه معادله ساختاری، در مجموع پانزده معادله دیفرانسیل جزئی مرتبه اول می باشند که برای بدست آوردن پانزده مجهول...
A general framework for proving an order of convergence for set-valued Runge Kutta methods is given in the case of linear differential inclusions, if the attainable set at a given time should be approximated. The set-valued method is interpreted as a (set-valued) quadrature method with disturbed values for the fundamental solution at the nodes of the quadrature method. If the precision of the q...
The unsteady pulsatile flow of blood through porous medium in an artery has been studied under the influence of periodic body acceleration and slip condition by considering blood as incompressible Newtonian electrically conducting fluid in the presence of magnetic field. In this paper, a new technique of differential quadrature method is introduced to find numerical solution of nonlinear partia...
Highly-oscillatory integrals are allegedly difficult to calculate. The main assertion of this paper is that that impression is incorrect. As long as appropriate quadrature methods are used, their accuracy increases when oscillation becomes faster and suitable choice of quadrature points renders this welcome phenomenon more pronounced. We focus our analysis on Filon-type quadrature and analyse i...
A quadrature Galerkin scheme with the Bogner–Fox–Schmit element for a biharmonic problem on a rectangular polygon is analyzed for existence, uniqueness, and convergence of the discrete solution. It is known that a product Gaussian quadrature with at least three-points is required to guarantee optimal order convergence in Sobolev norms. In this article, optimal order error estimates are proved f...
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