Numerical bifurcation methods and their application to fluid dynamics: analysis beyond simulation

HA Dijkstra, FW Wubs, AK Cliffe, E Doedel… - Communications in …, 2014 - cambridge.org
We provide an overview of current techniques and typical applications of numerical
bifurcation analysis in fluid dynamical problems. Many of these problems are characterized …

Albany/FELIX: a parallel, scalable and robust, finite element, first-order Stokes approximation ice sheet solver built for advanced analysis

IK Tezaur, M Perego, AG Salinger… - Geoscientific Model …, 2015 - gmd.copernicus.org
This paper describes a new parallel, scalable and robust finite element based solver for the
first-order Stokes momentum balance equations for ice flow. The solver, known as …

Fixed-point approaches to computing Bertrand-Nash equilibrium prices under mixed-logit demand

WR Morrow, SJ Skerlos - Operations research, 2011 - pubsonline.informs.org
This article describes numerical methods that exploit fixed-point equations equivalent to the
first-order condition for Bertrand-Nash equilibrium prices in a class of differentiated product …

Towards a scalable fully-implicit fully-coupled resistive MHD formulation with stabilized FE methods

JN Shadid, RP Pawlowski, JW Banks, L Chacón… - Journal of …, 2010 - Elsevier
This paper explores the development of a scalable, nonlinear, fully-implicit stabilized
unstructured finite element (FE) capability for 2D incompressible (reduced) resistive MHD …

A matrix DEIM technique for model reduction of nonlinear parametrized problems in cardiac mechanics

D Bonomi, A Manzoni, A Quarteroni - Computer Methods in Applied …, 2017 - Elsevier
When relying on Newton iterations to solve nonlinear problems in the context of Reduced
Basis (RB) methods, the assembling of the RB arrays during the online stage depends on …

Scalable implicit incompressible resistive MHD with stabilized FE and fully-coupled Newton–Krylov-AMG

JN Shadid, RP Pawlowski, EC Cyr, RS Tuminaro… - Computer Methods in …, 2016 - Elsevier
The computational solution of the governing balance equations for mass, momentum, heat
transfer and magnetic induction for resistive magnetohydrodynamics (MHD) systems can be …

A second-order method for strongly convex -regularization problems

K Fountoulakis, J Gondzio - Mathematical Programming, 2016 - Springer
In this paper a robust second-order method is developed for the solution of strongly convex ℓ
_1 ℓ 1-regularized problems. The main aim is to make the proposed method as inexpensive …

An assessment of coupling algorithms for nuclear reactor core physics simulations

S Hamilton, M Berrill, K Clarno, R Pawlowski… - Journal of …, 2016 - Elsevier
This paper evaluates the performance of multiphysics coupling algorithms applied to a light
water nuclear reactor core simulation. The simulation couples the k-eigenvalue form of the …

Sympiler: transforming sparse matrix codes by decoupling symbolic analysis

K Cheshmi, S Kamil, MM Strout… - Proceedings of the …, 2017 - dl.acm.org
Sympiler is a domain-specific code generator that optimizes sparse matrix computations by
decoupling the symbolic analysis phase from the numerical manipulation stage in sparse …

A semi-implicit meshless method for incompressible flows in complex geometries

S Shahane, SP Vanka - Journal of Computational Physics, 2023 - Elsevier
We present an exponentially convergent semi-implicit meshless algorithm for the solution of
Navier-Stokes equations in complex domains. The algorithm discretizes partial derivatives at …