Results 21 to 30 of about 818,934 (319)

Analytical and approximate solutions of Fractional Partial Differential-Algebraic Equations

open access: yes, 2020
In this paper, we have extended the Fractional Differential Transform method for the numerical solution of the system of fractional partial differential-algebraic equations.
H. Günerhan, E. Çelik
semanticscholar   +1 more source

An implicit system of delay differential algebraic equations from hydrodynamics

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2023
Direct spring operated pressure relief valves connected to a constantly charged vessel and a downstream pipe have a complex dynamics. The vessel-valve subsystem is described with an autonomous system of ordinary differential equations, while the presence
Fanni Kádár, Gábor Stépán
doaj   +1 more source

Thomas Decomposition of Algebraic and Differential Systems [PDF]

open access: yes, 2010
In this paper we consider disjoint decomposition of algebraic and non-linear partial differential systems of equations and inequations into so-called simple subsystems. We exploit Thomas decomposition ideas and develop them into a new algorithm.
A. Rosenfeld   +21 more
core   +1 more source

A Numerical Method using Collocation Approach for the Solution of Volterra-Fredholm Integro-Differential Equations

open access: yesAfrican Scientific Reports, 2022
This paper consider collocation approach for the numerical solution of Volterra-Fredholm Integro-differential equation using collocation method. We transformed the problem into a system of linear algebraic equations and matrix inversion is adopted to ...
G. Ajileye, F. A. Aminu
doaj   +1 more source

Modeling and Simulation of a Packed Column Batch Still for Fruit Wine Distillations

open access: yesIEEE Access, 2022
Batch distillations are extensively used worldwide to produce fruit wine spirits with distinctive aromas. These processes are typically operated manually, based on the experience of the distiller.
Simon Diaz-Quezada   +2 more
doaj   +1 more source

The theory of the exponential differential equations of semiabelian varieties [PDF]

open access: yes, 2009
The complete first order theories of the exponential differential equations of semiabelian varieties are given. It is shown that these theories also arises from an amalgamation-with-predimension construction in the style of Hrushovski.
B. Zilber   +12 more
core   +2 more sources

The Lie group Euler methods of multibody system dynamics with holonomic constraints

open access: yesAdvances in Mechanical Engineering, 2018
The Euler methods on Lie group are developed for the differential–algebraic equations of multibody system dynamics with holonomic constraints. The implicit Euler method is used to solve the differential–algebraic equations as Euler–Lagrange equations on ...
Jieyu Ding, Zhenkuan Pan
doaj   +1 more source

Algebraic structure of space and field

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2001
We investigate an algebraic structure of the space of solutions of autonomous nonlinear differential equations of certain type. It is shown that for these equations infinitely many binary algebraic laws of addition of solutions exist.
Z. Z. Khukhunashvili   +1 more
doaj   +1 more source

A new approach for solving fractional differential-algebraic equations

open access: yesJournal of Taibah University for Science, 2017
In this paper, the Bezier curves method is implemented to give approximate solutions for fractional differential-algebraic equations (FDAEs). This methods in applied mathematics can be used as approximated method for obtaining approximate solutions for ...
F. Ghomanjani
doaj   +1 more source

Discontinuity propagation in delay differential-algebraic equations [PDF]

open access: yes, 2018
The propagation of primary discontinuities in initial value problems for linear delay differential-algebraic equations (DDAEs) is discussed. Based on the (quasi-) Weierstra{\ss} form for regular matrix pencil, a complete characterization of the different
B. Unger
semanticscholar   +1 more source

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