Petrov–Galerkin flux upwinding for mixed mimetic spectral elements, and its application to geophysical flow problems

D Lee - Computers & Mathematics with Applications, 2021 - Elsevier
… mixed mimetic spectral element advection operator, the upwinded mass flux advection
problem is introduced for the standard mixed mimetic spectral element discretisation. In Section 2 …

Mimetic spectral element advection

A Palha, PP Rebelo, M Gerritsma - Spectral and High Order Methods for …, 2013 - Springer
We present a discretization of the linear advection of differential forms on bounded domains.
The framework established in [4] is extended to incorporate the Lie derivative, \…

Discrete conservation properties for shallow water flows using mixed mimetic spectral elements

D Lee, A Palha, M Gerritsma - Journal of Computational Physics, 2018 - Elsevier
… In this work we set out to construct a mimetic spectral finite element discretization for the
shallow water equations as given by (1), together with the diagnostic equations (2). In particular …

A mixed mimetic spectral element model of the 3D compressible Euler equations on the cubed sphere

D Lee, A Palha - Journal of Computational Physics, 2020 - Elsevier
… The model uses a mixed mimetic spectral element discretization which allows for the exact
exchanges of kinetic, internal and potential energy via the compatibility properties of the …

A mass, energy, enstrophy and vorticity conserving (MEEVC) mimetic spectral element discretization for the 2D incompressible Navier–Stokes equations

A Palha, M Gerritsma - Journal of Computational Physics, 2017 - Elsevier
In this work we present a mimetic spectral element discretization for the 2D incompressible
Navier–Stokes equations that in the limit of vanishing dissipation exactly preserves mass, …

Mixed mimetic spectral element method applied to Darcy's problem

PP Rebelo, A Palha, M Gerritsma - Spectral and High Order Methods for …, 2013 - Springer
… will make use of the spectral element method described in [9, 19], application of these ideas
to Stokes’ flow see [16–18]; Poisson equation for volume forms [22]; advection equation [21]; …

[PDF][PDF] Hybridised Mimetic Discretisation and Variational Multiscale Theory for Advection-Dominated Problems

S Shrestha - repository.tudelft.nl
… Having discussed the mathematical concepts in the previous chapter, this chapter presents
the framework of the 1D and 2D mimetic Spectral Element Method (SEM). Moreover, this …

Mimetic spectral element method for Hamiltonian systems

A Palha, M Gerritsma - arXiv preprint arXiv:1505.03422, 2015 - arxiv.org
… As mentioned previously, the objective of this work is to apply the mimetic framework
developed in [46, 52] to the solution of systems of ordinary differential equations. The mimetic

Mimetic finite difference schemes for transport operators with divergence-free advective field and applications to plasma physics

M Bassanini, S Deparis, P Ricci - arXiv preprint arXiv:2412.20106, 2024 - arxiv.org
… novel mimetic finite difference (MFD) scheme for the advective term with divergence-free
advective … The method leverages the divergence-free property of the advective field, an intrinsic …

Optimization-based limiters for the spectral element method

O Guba, M Taylor, A St-Cyr - Journal of Computational Physics, 2014 - Elsevier
… We introduce a new family of optimization based limiters for the h – p spectral element
method. The native spectral element advection operator is oscillatory, but due to its mimetic