Space-time adaptivity for a multi-scale cancer invasion model

VS Aswin, J Manimaran, N Chamakuri - Computers & Mathematics with …, 2023 - Elsevier
The parallel space-time adaptivity techniques for solving a cancer invasion model are
investigated in the present work. Mathematically, the model comprises three coupled …

L1 scheme on graded mesh for subdiffusion equation with nonlocal diffusion term

S Chaudhary, PJ Kundaliya - Mathematics and Computers in Simulation, 2022 - Elsevier
The solution of time fractional partial differential equations in general exhibit a weak
singularity near the initial time. In this article we propose a method for solving time fractional …

Virtual element method for semilinear elliptic problems on polygonal meshes

D Adak, S Natarajan, E Natarajan - Applied Numerical Mathematics, 2019 - Elsevier
In this paper, the virtual element method is employed to approximate semilinear elliptic
problems over arbitrary polygonal meshes. The nonlinear load term is approximated by …

Finite element analysis of time‐fractional integro‐differential equation of Kirchhoff type for non‐homogeneous materials

L Kumar, SG Sista, K Sreenadh - Mathematical Methods in the …, 2024 - Wiley Online Library
In this paper, we study a time‐fractional initial‐boundary value problem of Kirchhoff type
involving memory term for non‐homogeneous materials. As a consequence of energy …

A Linearized L1-Galerkin FEM for Non-smooth Solutions of Kirchhoff Type Quasilinear Time-Fractional Integro-Differential Equation

L Kumar, SG Sista, K Sreenadh - Journal of Scientific Computing, 2023 - Springer
In this article, we study the semi discrete and fully discrete formulations for a Kirchhoff type
quasilinear integro-differential equation (D α) involving time-fractional derivative of order …

Optimal control problem governed by a kind of Kirchhoff-type equation

Y Wang, W Wei - Chaos, Solitons & Fractals, 2024 - Elsevier
In this paper, we consider an optimal control problem governed by a kind of Kirchhoff-type
equation, which plays an important role in the phenomenon of beam vibration. Firstly, the …

Motility-Induced Phase Separation Mediated by Bacterial Quorum Sensing

WJM Ridgway, MP Dalwadi, P Pearce, SJ Chapman - Physical Review Letters, 2023 - APS
We study motility-induced phase separation (MIPS) in living active matter, in which cells
interact through chemical signaling, or quorum sensing. In contrast to previous theories of …

Convergence analysis of virtual element method for nonlinear nonlocal dynamic plate equation

D Adak, D Mora, S Natarajan - Journal of Scientific Computing, 2022 - Springer
In this article, we have considered a nonlinear nonlocal time dependent fourth order
equation demonstrating the deformation of a thin and narrow rectangular plate. We propose …

Numerical discretization for Fisher-Kolmogorov problem with nonlocal diffusion based on mixed Galerkin BDF2 scheme

J Manimaran, L Shangerganesh, MA Zaky… - Applied Numerical …, 2024 - Elsevier
Nonlocal problems involving fourth-order terms pose several difficulties such as numerical
discretization and its related convergences analysis. In this paper, the well-posedness of the …

Finite element approximation of nonlocal parabolic problem

S Chaudhary, V Srivastava… - … Methods for Partial …, 2017 - Wiley Online Library
In this article, we present a finite element scheme combined with backward Euler method to
solve a nonlocal parabolic problem. An important issue in the numerical solution of nonlocal …