Comparison of direct and indirect methods for minimum lap time optimal control problems

N Dal Bianco, E Bertolazzi, F Biral… - Vehicle System …, 2019 - Taylor & Francis
Minimum lap time simulations are especially important in the design, optimisation and setup
of race vehicles. Such problems usually come in different flavours, eg quasi-steady state …

Parallel solution in time of ODEs: some achievements and perspectives

P Amodio, L Brugnano - Applied Numerical Mathematics, 2009 - Elsevier
The parallel solution of initial value problems for ordinary differential equations (ODE-IVPs)
has received much interest from many researchers in the past years. In general, the …

Energy-conserving methods for Hamiltonian Boundary Value Problems and applications in astrodynamics

P Amodio, L Brugnano, F Iavernaro - Advances in Computational …, 2015 - Springer
We introduce new methods for the numerical solution of general Hamiltonian boundary
value problems. The main feature of the new formulae is to produce numerical solutions …

[HTML][HTML] Parallel cyclic reduction of padded bordered almost block diagonal matrices

E Bertolazzi, D Stocco - Journal of Computational and Applied Mathematics, 2025 - Elsevier
The solution of linear systems is a crucial and indispensable technique in the field of
numerical analysis. Among linear system solvers, the cyclic reduction algorithm stands out …

[PDF][PDF] Numerical solution of general bordered ABD linear systems by cyclic reduction

P Amodio, I Gladwell, G Romanazzi - JNAIAM J. Numer. Anal …, 2006 - academia.edu
We analyze the solution of the BABD linear system Ax= f(1) with the coefficient matrix A
having the structure shown in Figure 1. This is the most general BABD matrix structure: we …

Parallel indirect solution of optimal control problems

BC Fabien - Optimal Control Applications and Methods, 2014 - Wiley Online Library
This paper presents an algorithm for the indirect solution of optimal control problems that
contain mixed state and control variable inequality constraints. The necessary conditions for …

[PDF][PDF] An algorithm for the solution of Bordered ABD linear systems arising from Boundary Value Problems

P Amodio, I Gladwell, G Romanazzi - Multibody Dynamics 2007 …, 2007 - academia.edu
We consider linear systems with coefficient matrices of Bordered ABD structure. They arise
in the discretization of BVPs for ordinary and partial differential equations with non …

Parallel Cyclic Reduction of Bordered Almost Block Diagonal Matrices

E Bertolazzi - … Conference on Numerical Computations: Theory and …, 2023 - Springer
The solution of a linear system is a basic tool in numerical analysis. In this work, an efficient
cyclic reduction variant for a bordered almost diagonal linear system is presented. The …

A massively parallel algorithm for Bordered Almost Block Diagonal Systems on GPUs

M Dessole, F Marcuzzi - Numerical Algorithms, 2021 - Springer
In this paper, we present PARASOF, an algorithm for the solution of linear systems with
BABD matrices on massively parallel computing systems like graphic processing units or …

[PDF][PDF] Numerical solution of Bordered Almost Block Diagonal linear systems arising from BVPs

G Romanazzi, P AMODIO, I GLADWELL - Università di Bari, 2006 - academia.edu
We analyze the solution of Bordered Almost Block Diagonal linear systems using new
algorithms which are introduced and described in detail. All these algorithms use a cyclic …