Fractional order chaotic systems: history, achievements, applications, and future challenges

MS Tavazoei - The European Physical Journal Special Topics, 2020 - Springer
Motivated by the importance of study on the complex behaviors, which may be exhibited by
fractional order differential equations, this review paper focuses on dynamical fractional …

The exponential scalar auxiliary variable (E-SAV) approach for phase field models and its explicit computing

Z Liu, X Li - SIAM Journal on Scientific Computing, 2020 - SIAM
In this paper, we consider an exponential scalar auxiliary variable (E-SAV) approach to
obtain energy stable schemes for a class of phase field models. This novel auxiliary variable …

Time-fractional Allen–Cahn equations: analysis and numerical methods

Q Du, J Yang, Z Zhou - Journal of Scientific Computing, 2020 - Springer
In this work, we consider a time-fractional Allen–Cahn equation, where the conventional first
order time derivative is replaced by a Caputo fractional derivative with order α ∈ (0, 1) …

A high-order discrete energy decay and maximum-principle preserving scheme for time fractional Allen–Cahn equation

G Zhang, C Huang, AA Alikhanov, B Yin - Journal of Scientific Computing, 2023 - Springer
The shifted fractional trapezoidal rule (SFTR) with a special shift is adopted to construct a
finite difference scheme for the time-fractional Allen–Cahn (tFAC) equation. Some essential …

An energy-stable variable-step L1 scheme for time-fractional Navier–Stokes equations

R Gao, D Li, Y Li, Y Yin - Physica D: Nonlinear Phenomena, 2024 - Elsevier
We propose a structure-preserving scheme and its error analysis for time-fractional Navier–
Stokes equations (TFNSEs) with periodic boundary conditions. The equations are first …

A highly efficient and accurate exponential semi-implicit scalar auxiliary variable (ESI-SAV) approach for dissipative system

Z Liu, X Li - Journal of Computational Physics, 2021 - Elsevier
The scalar auxiliary variable (SAV) approach [42] is a very popular and efficient method to
simulate various phase field models. To save the computational cost, a new SAV approach …

Compatible Energy Dissipation of the Variable-Step Scheme for the Space-Time Fractional Cahn-Hilliard Equation

Z Xue, X Zhao - SIAM Journal on Scientific Computing, 2023 - SIAM
We construct and analyze the variable-step scheme to efficiently solve the space-time
fractional Cahn–Hilliard equation in two dimensions. The associated variational energy …

Energy stability of variable-step L1-type schemes for time-fractional Cahn-Hilliard model

B Ji, X Zhu, H Liao - arxiv preprint arxiv:2201.00920, 2022 - arxiv.org
The positive definiteness of discrete time-fractional derivatives is fundamental to the
numerical stability (in the energy sense) for time-fractional phase-field models. A novel …

Energy stable L2 schemes for time-fractional phase-field equations

C Quan, B Wang - Journal of Computational Physics, 2022 - Elsevier
In this work, we establish the energy stability of high-order L2-type schemes for time-
fractional phase-field equations. We propose a reformulation of the discrete L2 operator …

Compatible L2 norm convergence of variable-step L1 scheme for the time-fractional MBE model with slope selection

Y Yang, J Wang, Y Chen, H Liao - Journal of Computational Physics, 2022 - Elsevier
The convergence of variable-step L1 scheme is studied for the time-fractional molecular
beam epitaxy (MBE) model with slope selection. A novel asymptotically compatible L 2 norm …