Results 11 to 20 of about 1,276,307 (288)

A Variational Method for Second Order Shape Derivatives [PDF]

open access: yesSIAM Journal on Control and Optimization, 2016
Submitted paper.
Bouchitte G., Fragala I., Lucardesi I.
openaire   +5 more sources

High-order Compact Difference Schemes for the Modified Anomalous Subdiffusion Equation [PDF]

open access: yes, 2015
In this paper, two kinds of high-order compact finite difference schemes for second-order derivative are developed. Then a second-order numerical scheme for Riemann-Liouvile derivative is established based on fractional center difference operator.
Ding, Hengfei, Li, Changpin
core   +1 more source

Construction of Nordsieck Second Derivative General Linear Methods with Inherent Quadratic Stability

open access: yesMathematical Modelling and Analysis, 2017
This paper describes the construction of second derivative general linear methods in Nordsieck form with stability properties determined by quadratic stability functions. This is achieved by imposing the so–called inherent quadratic stability conditions.
Akram Movahedinejad   +2 more
doaj   +1 more source

Optimal One-Point Iterative Function Free from Derivatives for Multiple Roots

open access: yesMathematics, 2020
We suggest a derivative-free optimal method of second order which is a new version of a modification of Newton’s method for achieving the multiple zeros of nonlinear single variable functions.
Deepak Kumar   +2 more
doaj   +1 more source

Trigonometrically-fitted second derivative method for oscillatory problems [PDF]

open access: yesSpringerPlus, 2014
A continuous Trigonometrically-fitted Second Derivative Method (CTSDM) whose coefficients depend on the frequency and stepsize is constructed using trigonometric basis functions. A discrete Trigonometrically-fitted second derivative method (TSDM) is recovered from the CTSDM as a by-product and applied to solve initial value problems (IVPs) with ...
Ngwane, Fidele, Jator, Samuel
openaire   +2 more sources

Study on SPH Viscosity Term Formulations [PDF]

open access: yes, 2018
For viscosity-dominated flows, the viscous effect plays a much more important role. Since the viscosity term in SPH-governing (Smoothed Particle Hydrodynamics) equations involves the discretization of a second-order derivative, its treatment could be ...
Ma, Q., Shao, S., Zheng, X.
core   +3 more sources

The Determination of Dendrite Coherency Point Characteristics Using Three New Methods for Aluminum Alloys [PDF]

open access: yes, 2018
The aim of this work is to give an overview of existing methods and to introduce three new methods for the determination of the Dendrite Coherency Point (DCP) for AlSi10Mg alloys, as well as to compare the acquired values of DCP based on a thermal ...
Djurdjevic, Mile   +4 more
core   +2 more sources

High order second derivative multistep collocation methods for ordinary differential equations [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization
In this paper, we introduce second derivative multistep collocation meth-ods for the numerical integration of ordinary differential equations (ODEs).
S. Fazeli
doaj   +1 more source

Family of One-Step A-Stable Optimized Third Derivative Hybrid Block Methods for Solving General Second-Order IVPs [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2023
This paper introduces three members of a one-step optimized third derivative hybrid block method family for solving general second-order initial value problems.
Saidu Yakubu
doaj   +1 more source

Ostrogradski Formalism for Higher-Derivative Scalar Field Theories [PDF]

open access: yes, 1998
We carry out the extension of the Ostrogradski method to relativistic field theories. Higher-derivative Lagrangians reduce to second differential-order with one explicit independent field for each degree of freedom.
Alonso J C   +14 more
core   +3 more sources

Home - About - Disclaimer - Privacy