Gallery# Further Applications# Viscous fingering of a Darcy fluid in a porous rectangle with Neumann boundary conditions Viscous fingering of a Darcy fluid in a porous rectangle with periodic boundary conditions Viscous fingering of a Darcy fluid in a porous annulus ABC convection of a Darcy fluid in a porous rectangle Convection# Rayleigh-Bénard convection of a Darcy fluid in a porous rectangle Rayleigh-Bénard convection of a Darcy fluid in a porous annulus Rayleigh-Bénard convection of a Darcy fluid in a porous semicircle Evolving convection of a Darcy fluid in an isotropic porous rectangle Evolving convection of a Darcy fluid in a cross-bedded porous rectangle Evolving convection of a Darcy fluid in a layered porous rectangle Evolving convection of a Darcy fluid in an inclined porous rectangle Elder convection of a Darcy fluid in a porous rectangle Data-driven convection of a Darcy fluid in a porous rectangle Rayleigh-Bénard convection of an isoviscous Stokes fluid Rayleigh-Bénard convection of a non-isoviscous Stokes fluid Thermosolutal convection of a Navier-Stokes fluid in a rectangle Rayleigh-Taylor instability of a Navier-Stokes fluid in a rectangle Marangoni convection of a Navier-Stokes fluid in a rectangle Rayleigh-Bénard convection of a Darcy-Brinkman fluid in a partially porous rectangle Flow# Flow of a Darcy fluid through a lens of low permeability Flow of a Darcy fluid across an anticline of heterogeneous permeability Flow of a Darcy fluid in an annulus Flow of a Darcy fluid injected and extracted in a porous rectangle Flow of a Stokes fluid in a pressure-driven channel Flow of a Stokes fluid in a lid-driven cavity Flow of a Stokes fluid with vertical forcing Flow of a Stokes fluid in a corrugated channel Flow of Navier-Stokes fluid past a circular obstacle Flow of a Navier-Stokes fluid with vertical forcing Flow of a Darcy-Brinkman fluid past a permeable obstacle Transport# DG advection of a step in an interval DG advection of a cosine in an interval DG advection of a rotating cone in a rectangle DG advection with a vortical velocity DG steady advection-diffusion-reaction with a skew velocity DG advection-diffusion of a tophat on an interval DG advection-diffusion in a rectangle SUPG steady advection-diffusion in an interval SUPG steady advection-diffusion of the Hemker problem SUPG steady advection-diffusion with a skew velocity SUPG advection-diffusion of a Gaussian in an interval SUPG advection-diffusion-reaction of a rotating pulse in a rectangle Splitting method for the advection-reaction equation Predictor-corrector method for the advection-diffusion equation Introductory# Poisson equation in a rectangle Poisson equation on an annulus Vector Poisson equation in a rectangle Diffusion of a Gaussian in an interval Diffusion of a Gaussian in a rectangle Advection of a Gaussian in an interval Advection-diffusion of a Gaussian in an interval Advection-diffusion of a Gaussian in a rectangle Helmholtz eigenvalue problem in a rectangle Helmholtz boundary value problem in a rectangle Mathieu eigenvalue problem in an interval Wave equation in an interval Diffusion-reaction equation with time-dependent Dirichlet boundary conditions Diffusion equation with time-dependent Neumann boundary conditions Poisson equation with periodic boundary conditions Diffusion equation with Robin boundary conditions Poisson equation with Nitsche boundary conditions Steady diffusion-reaction with mesh refinement Poisson equation with method of manufactured solutions