Results 11 to 20 of about 25,445 (266)

Second-Order Unconditionally Stable Direct Methods for Allen–Cahn and Conservative Allen–Cahn Equations on Surfaces

open access: yesMathematics, 2020
This paper describes temporally second-order unconditionally stable direct methods for Allen–Cahn and conservative Allen–Cahn equations on surfaces. The discretization is performed via a surface mesh consisting of piecewise triangles and its dual-surface
Binhu Xia, Yibao Li, Zhong Li
doaj   +3 more sources

An unconditionally stable hybrid numerical method for solving the Allen–Cahn equation

open access: yesComputers & Mathematics with Applications, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yibao Li   +3 more
openaire   +3 more sources

Numerical dispersion analysis of the unconditionally stable 3-D ADI-FDTD method [PDF]

open access: yesIEEE Transactions on Microwave Theory and Techniques, 2001
This paper presents a comprehensive analysis of numerical dispersion of the recently developed unconditionally stable three-dimensional finite-difference time-domain (FDTD) method where the alternating-direction-implicit technique is applied. The dispersion relation is derived analytically and the effects of spatial and temporal steps on the numerical ...
F. Zheng, Z. Chen
openaire   +3 more sources

Efficient unconditionally stable one‐step leapfrog ADI‐FDTD method with low numerical dispersion

open access: yesIET Microwaves, Antennas & Propagation, 2014
An efficient unconditionally stable one‐step leapfrog alternating‐direction‐implicit finite‐difference time‐domain (ADI‐FDTD) method based on the controlling parameters is presented. First, three controlling parameters are introduced to the matrices of the Maxwell's equations to decrease the numerical dispersion error, and then the formulation of an ...
Yong‐Dan Kong   +2 more
openaire   +3 more sources

Optimal accuracy of unconditionally stable explicit numerical methods for nonlinear evolution PDE's

open access: yesApplied Mathematics Letters, 1994
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +4 more sources

Solving seismic wave propagation in elastic media using the matrix exponential approach [PDF]

open access: yes, 2003
Three numerical algorithms are proposed to solve the time-dependent elastodynamic equations in elastic solids. All algorithms are based on approximating the solution of the equations, which can be written as a matrix exponential.
Kole, J. S.
core   +9 more sources

Removing the Stiffness of Elastic Force from the Immersed Boundary Method for the 2D Stokes Equations [PDF]

open access: yes, 2008
The Immersed Boundary method has evolved into one of the most useful computational methods in studying fluid structure interaction. On the other hand, the Immersed Boundary method is also known to suffer from a severe timestep stability restriction when ...
Hou, Thomas Y., Shi, Zuoqiang
core   +4 more sources

An unconditionally stable numerical method for the viscous Cahn--Hilliard equation

open access: yesDiscrete and Continuous Dynamical Systems - B, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Shin, Jaemin, Choi, Yongho, Kim, Junseok
openaire   +2 more sources

The Finite Difference Methods for φ4 Klein-Gordon Equation [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2008
We solved φ4 Klein-Gordon equation numerically by using two finite difference methods: The first is the explicit method and the second is the implicit (Crank-Nicholson) method.
Saad Manaa, Laya Hawell
doaj   +1 more source

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