This article presents the first Reduced Order Model (ROM) that efficiently resolves the
angular dimension of the time independent, mono-energetic Boltzmann Transport Equation …

In this paper a new method for the discretization of the radiation transport equation is
presented, based on a discontinuous Galerkin method in space and angle that allows for …

A goal-based angular adaptivity has been described for solving the discrete ordinates
transport equation. This method uses the linear discontinuous finite element quadrature …

We develop a reduction multigrid based on approximate ideal restriction (AIR) for use with
asymmetric linear systems. We use fixed-order GMRES polynomials to approximate A ff− 1 …

This paper describes an angular adaptivity algorithm for Boltzmann transport applications
which for the first time shows evidence of O (n) scaling in both runtime and memory usage …

A method for applying goal-based adaptive methods to the angular resolution of the neutral
particle transport equation is presented. The methods are applied to an octahedral wavelet …

This paper investigates for the first time a goal-based angular adaptivity method for thermal
radiation transport, suitable for non grey media when the radiation field is coupled with an …

This paper describes an angular adaptivity algorithm for Boltzmann transport applications
which uses P n and filtered P n expansions, allowing for different expansion orders across …

Boltzmann transport problems often involve heavy streaming, where particles propagate
long distance due to the dominance of advection over particle interaction. If an insufficiently …

This paper presents the current capabilities of the radiation transport solver within FETCH, a
coupled multi-physics code. The radiation transport component has been designed to solve …