Brownian motion and thermophoresis behavior on micro-polar nano-fluid—A numerical outlook

S Hazarika, S Ahmed - Mathematics and Computers in Simulation, 2022 - Elsevier
A numerical study is accomplished to analyze the Brownian motion of micro-polar
hydromagnetic nano-fluid over a stretched surface with thermophoresis and thermal …

Fast solution of fully implicit Runge--Kutta and discontinuous Galerkin in time for numerical PDEs, part II: Nonlinearities and DAEs

BS Southworth, O Krzysik, W Pazner - SIAM Journal on Scientific Computing, 2022 - SIAM
Fully implicit Runge--Kutta (IRK) methods have many desirable accuracy and stability
properties as time integration schemes, but high-order IRK methods are not commonly used …

Lifted collocation integrators for direct optimal control in ACADO toolkit

R Quirynen, S Gros, B Houska, M Diehl - Mathematical Programming …, 2017 - Springer
This paper presents a class of efficient Newton-type algorithms for solving the nonlinear
programs (NLPs) arising from applying a direct collocation approach to continuous time …

Inexact Newton-type optimization with iterated sensitivities

R Quirynen, S Gros, M Diehl - SIAM Journal on Optimization, 2018 - SIAM
This paper presents and analyzes an inexact Newton-type optimization method based on
iterated sensitivities (INIS). A particular class of nonlinear programming (NLP) problems is …

[PDF][PDF] MATERIAL BEHAVIOUR IN MICROPOLAR FLUID OF BROWNIAN MOTION OVER A STRETCHABLE DISK WITH APPLICATION OF THERMOPHORETIC …

S Hazarika, S Ahmed - Journal of Naval Architecture & Marine …, 2021 - researchgate.net
To study the material behavior of axisymmetric flow in micropolar fluid for exchange of
heat/mass in a disk placed over permeable regime taking into account the effect of heat …

Inexact simplified Newton iterations for implicit Runge-Kutta methods

LO Jay - SIAM Journal on Numerical Analysis, 2000 - SIAM
We consider possibly stiff and implicit systems of ordinary differential equations (ODEs). The
major difficulty and computational bottleneck in the implementation of fully implicit Runge …

[HTML][HTML] A parallelizable preconditioner for the iterative solution of implicit Runge–Kutta-type methods

LO Jay, T Braconnier - Journal of computational and applied mathematics, 1999 - Elsevier
The main difficulty in the implementation of most standard implicit Runge–Kutta (IRK)
methods applied to (stiff) ordinary differential equations (ODEs) is to efficiently solve the …

On the numerical solution of stiff IVPs by Lobatto IIIA Runge-Kutta methods

SG Pinto, SP Rodríguez, JIM Torcal - Journal of computational and applied …, 1997 - Elsevier
In this paper, the numerical solution of stiff initial value problems by means of Lobatto IIIA
Runge-Kutta methods is considered. New iterative schemes for an efficient solution of the …

Inexact Newton based lifted implicit integrators for fast nonlinear MPC

R Quirynen, S Gros, M Diehl - IFAC-PapersOnLine, 2015 - Elsevier
Abstract Nonlinear Model Predictive Control (NMPC) requires the online solution of an
Optimal Control Problem (OCP) at every sampling instant. In the context of multiple shooting …

[HTML][HTML] A comparison of AMF-and Krylov-methods in Matlab for large stiff ODE systems

S Beck, S González-Pinto, S Pérez-Rodríguez… - Journal of computational …, 2014 - Elsevier
For the efficient solution of large stiff systems resulting from semidiscretization of multi-
dimensional partial differential equations two methods using approximate matrix …