Numerical analysis for solving Allen-Cahn equation in 1D and 2D based on higher-order compact structure-preserving difference scheme

K Poochinapan, B Wongsaijai - Applied Mathematics and Computation, 2022 - Elsevier
In this paper, we present a fourth-order difference scheme for solving the Allen-Cahn
equation in both 1D and 2D. The proposed scheme is described by the compact difference …

Robust finite-time control of discrete-time switched positive time-varying delay systems with exogenous disturbance and their application

T Mouktonglang, K Poochinapan, S Yimnet - Symmetry, 2022 - mdpi.com
Many practical systems can be modeled in terms of uncertainties, which refer to the
differences or errors between actual data and mathematical simulations. However, systems …

Observer-based robust control method for switched neutral systems in the presence of interval time-varying delays

H Ghadiri, H Khodadadi, S Mobayen, JH Asad… - Mathematics, 2021 - mdpi.com
In this study, the challenges of the controller design of a class of Uncertain Switched Neutral
Systems (USNSs) in the presence of discrete, neutral, and time-varying delays are …

Common fixed point theorems for auxiliary functions with applications in fractional differential equation

B Wongsaijai, P Charoensawan… - Advances in Difference …, 2021 - Springer
In this work, we investigate h-ϕ contraction mappings with two metrics endowed with a
directed graph which involve auxiliary functions. The achievement allows us to obtain …

Numerical solution by quintic B-spline collocation finite element method of generalized Rosenau–Kawahara equation

S Özer - Mathematical Sciences, 2022 - Springer
In this study, numerical solution of generalized Rosenau–Kawahara equation with quintic B-
spline collocation finite element method has been obtained. First, the generalized Rosenau …

[Retracted] Global Exponential Stability of Both Continuous‐Time and Discrete‐Time Switched Positive Time‐Varying Delay Systems with Interval Uncertainties and …

T Mouktonglang, S Yimnet - Journal of Function Spaces, 2022 - Wiley Online Library
The global stability problem for a class of linear switched positive time‐varying delay
systems (LSPTDSs) with interval uncertainties by means of a fast average dwell time (FADT) …

Arbitrary high-order linearly implicit energy-conserving schemes for the Rosenau-type equation

W Zhang, C Liu, C Jiang, C Zheng - Applied Mathematics Letters, 2023 - Elsevier
In this paper, we present a class of high-order linearly implicit energy-conserving schemes
for solving the generalized Rosenau-type equation. We firstly reformulate the equation into a …

High-performance computing of structure-preserving algorithm for the coupled BBM system formulated by weighted compact difference operators

K Poochinapan, B Wongsaijai - Mathematics and Computers in Simulation, 2023 - Elsevier
A compact difference operator is a valuable technique which has been used to develop
numerical schemes capable of solving various types of differential equations. Advantages of …

Performance of a new stabilized structure-preserving finite element method for the Allen–Cahn equation

P Manorot, B Wongsaijai… - … and Computer Modelling …, 2024 - Taylor & Francis
This paper presents an energy stable scheme for the numerical solution of the Allen–Cahn
equation. The scheme combines the Crank–Nicolson/Adams–Bashforth technique with the …

[HTML][HTML] Dynamic analysis of wave scenarios based on enhanced numerical models for the good Boussinesq equation

K Poochinapan, B Wongsaijai - Results in Applied Mathematics, 2024 - Elsevier
The good Boussinesq equation, a modification of the Boussinesq equation, aims to enhance
predictions about shallow water wave behavior. This paper introduces two finite difference …