Results 21 to 30 of about 7,438 (162)

Isogeometric Analysis-Based Solidification Simulation and an Improved Way to Apply Supercooling on Droplet Boundary

open access: yesMetals, 2022
The classic finite difference method (FDM) has been successfully adopted in the simulation of dendritic solidification, which is based on phase-field theory. Nevertheless, special strategies of boundary integral and projection are required for applying a
Jiangping Xu   +5 more
doaj   +1 more source

The Hodrick-Prescott Filter: A special case of penalized spline smoothing

open access: yesElectronic Journal of Statistics, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Paige, Robert L., Trindade, A. Alexandre
openaire   +3 more sources

Cardinal approximation of functions by splines on an interval

open access: yesMathematical Modelling and Analysis, 2009
The cardinal interpolant of functions on the real line by splines is determined by certain formula free of solving large or infinite systems. We apply this formula to functions given on the interval [0,1] introducing special extensions of functions from [
Gennadi Vainikko
doaj   +1 more source

Special Spline Approximation in CAD Systems of Linear Structure Routing [PDF]

open access: yesMathematics and Statistics, 2019
This article deals with the problem of approximation of plane curves defined by a sequence of points by a spline of a given type. This task arises when developing methods for computer-aided design of linear structures: railways and roads, trenches for laying pipelines, canals, etc.
D. A. Karpov, V. I. Struchenkov
openaire   +1 more source

Solution of a Birkhoff Interpolation Problem by a Special Spline Function

open access: yesInternational Journal of Computer Applications, 2012
In this paper we have discussed a special lacunary interpolation problem in which the function values, first derivatives at the nodes and the third derivatives at any point λ (0 in between the nodes are prescribed. We have solved the unique existence and convergence problems, using spline functions.
Qazi Shoeb Ahmad   +2 more
openaire   +1 more source

Positivity and Monotonicity Preserving Biquartic Rational Interpolation Spline Surface

open access: yesJournal of Applied Mathematics, 2014
A biquartic rational interpolation spline surface over rectangular domain is constructed in this paper, which includes the classical bicubic Coons surface as a special case.
Xinru Liu, Yuanpeng Zhu, Shengjun Liu
doaj   +1 more source

On Some Generalization of Smoothing Problems

open access: yesMathematical Modelling and Analysis, 2015
The paper deals with the generalized smoothing problem in abstract Hilbert spaces. This generalized problem involves particular cases such as the interpolating problem, the smoothing problem with weights, the smoothing problem with obstacles, the problem
Svetlana Asmuss, Natalja Budkina
doaj   +1 more source

On the Use of High-Order Shape Functions in the SAFE Method and Their Performance in Wave Propagation Problems

open access: yesMathematical and Computational Applications, 2022
In this research, high-order shape functions commonly used in different finite element implementations are investigated with a special focus on their applicability in the semi-analytical finite element (SAFE) method being applied to wave propagation ...
Elyas Mirzaee Kakhki   +7 more
doaj   +1 more source

SPECIAL SPLINE APPROXIMATION FOR THE SOLUTION OF THE NON-STATIONARY 3-D MASS TRANSFER PROBLEM

open access: yesENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, 2021
In this paper we consider the conservative averaging method (CAM) with special spline approximation for solving the non-stationary 3-D mass transfer problem. The special hyperbolic type spline, which interpolates the middle integral values of piece-wise smooth function is used. With the help of these splines the initial-boundary value problem (IBVP) of
Kangro, Ilmārs   +3 more
openaire   +3 more sources

Linkage and Cam Design with MechDev based on Non-Uniform Rational B-Splines

open access: yesMachines, 2020
Several software products exist in order to support engineers during the mechanism design process. The software “Mechanism Developer” (abbr. MechDev) is one of these products. MechDev provides many functionalities concerning the kinematic and
Mario Müller   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy