نتایج جستجو برای: generalized differential quadrature gdq
تعداد نتایج: 454641 فیلتر نتایج به سال:
One of the methods for solving definite integrals is modified trapezoid method, which is obtained by using Hermitian interpolation (see e.g. [12]). In this article, we have used modified trapezoid quadrature method and Generalized differential to solve the Fredholm fuzzy integral equations of the second kind. This method leads to solve fuzzy linear system. Finally the proposed method is illustr...
A general class of convergent methods for the numerical solution of ordinary differential equations is employed to obtain a class of convergent generalized reducible quadrature methods for Volterra integral equations of the second kind and Volterra integro-differential equations.
Generalized Fitzhugh– Nagumo equation; Polynomial differential quadrature method; Numerical solutions; Runge–Kutta method Abstract In this paper, polynomial differential quadrature method (PDQM) is applied to find the numerical solution of the generalized Fitzhugh–Nagumo equation with time-dependent coefficients in one dimensional space. The PDQM reduces the problem into a system of first order...
در این تحقیق روش d.q. بررسی و مقایسه آن با سایر روش های متعارف همانند اجزاء محدود، تفاوت های محدود و جواب تحلیلی انجام گردیده است . همچنین با در نظر گرفتن تغییر شکل های برشی و تاثیر anisotropy در رفتار صفحات ، فرکانس ها، تغییر مکانها و نیروها مورد بررسی قرار گرفته اند که منجر به نوشتن برنامه کامپیوتری که ذیلا بطور خلاصه معرفی می گردد شده است . برنامه difqalp به زبان visual basic نوشته شده است و...
Piezoelectric materials, due to their electromechanical coupling properties, are widely used as actuators and sensors in intelligent structures control vibrations bends of multilayer sheets with piezoelectric layers. In this paper, the response free a composite shell new Generalized Differential Quadrature Method (GDQM) for different boundary conditions is investigated. The governing equations ...
in this study, the vibration of cracked plates is investigated using the differential quadrature method and experimental modal analysis. the crack, which is assumed to be open, is modeled by the extended rotational spring. with its finite length, the crack divides the plate into six segments. then, the differential quadrature is applied to the governing differential equations of motion and the ...
Numerical solutions of the generalized Burgers-Fisher equation are presented based on a polynomial-based differential quadrature method with minimal computational effort. To achieve this, a combination of a polynomial-based differential quadrature method in space and a third-order strong stability preserving Runge-Kutta scheme in time have been used. The proposed technique successfully worked t...
in this paper, numerical spline-based differential quadrature is presented for solving the boundary and initial value problems, and its application is used to solve the fixed rectangular membrane vibration equation. for the time integration of the problem, the runge–kutta and spline-based differential quadrature methods have been applied. the runge–kutta method was unstable for solving the prob...
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