Advances in Numerical Methods for Partial Differential Equations

The field of numerical methods for partial differential equations is witnessing significant developments, with a focus on improving the accuracy, efficiency, and scalability of numerical schemes. Researchers are exploring new approaches to tackle complex problems, such as nonlocal wave equations, magneto-hydrodynamics, and time-harmonic Maxwell equations. Notable advancements include the development of adaptive finite element methods, discontinuous Galerkin methods, and partitioned conservative algorithms. These innovations have the potential to enhance our understanding of various physical phenomena and improve the performance of numerical simulations. Some noteworthy papers in this regard include: The paper on a discontinuous Galerkin method for one-dimensional nonlocal wave problems, which presents a fully discrete numerical scheme with optimal L2 error convergence. The paper on partitioned conservative, variable step, second-order method for magneto-hydrodynamics, which proposes a symplectic algorithm that unconditionally conserves energy, cross-helicity, and magnetic helicity. The paper on high performance parallel solvers for the time-harmonic Maxwell equations, which compares different preconditioners and solvers to achieve efficient solutions for large-scale problems.

Sources

Long-time relative error analysis for linear ODEs with perturbed initial value

Asymptotic condition numbers for linear ODEs

A discontinuous Galerkin method for one-dimensional nonlocal wave problems

Adaptive FEM with explicit time integration for the wave equation

A new Dune grid for scalable dynamic adaptivity based on the p4est software library

State-based approach to the numerical solution of Dirichlet boundary optimal control problems for the Laplace equation

Analysis of a fast fully discrete finite element method for fractional viscoelastic wave propagation

Optimal Spectral Approximation in the Overlaps for Generalized Finite Element Methods

A bound-preserving and conservative enriched Galerkin method for elliptic problems

Partitioned Conservative, Variable Step, Second-Order Method for Magneto-hydrodynamics In Els\"asser Variables

High Performance Parallel Solvers for the time-harmonic Maxwell Equations

On the efficiency of a posteriori error estimators for parabolic partial differential equations in the energy norm

Well-balanced path-conservative discontinuous Galerkin methods with equilibrium preserving space for shallow water linearized moment equations

Built with on top of