Nonsmooth Herglotz variational principle

A López-Gordón, L Colombo… - 2023 American Control …, 2023 - ieeexplore.ieee.org
In this paper, the theory of smooth actiondependent Lagrangian mechanics (also known as
contact Lagrangians) is extended to a non-smooth context appropriate for collision …

Generalized virial theorem for contact Hamiltonian systems

A Ghosh - Journal of Physics A: Mathematical and Theoretical, 2023 - iopscience.iop.org
We formulate and study a generalized virial theorem for contact Hamiltonian systems. Such
systems describe mechanical systems in the presence of simple dissipative forces such as …

Geodesic and Newtonian vector fields and symmetries of mechanical systems

JF Cariñena, MC Muñoz-Lecanda - Symmetry, 2023 - mdpi.com
Geodesic vector fields and other distinguished vector fields on a Riemann manifold were
used in the study of free motions on such a manifold, and we applied the geometric Hamilton …

Reduction by symmetries of contact mechanical systems on Lie groups

AA Simoes, L Colombo, M de León, JC Marrero… - arXiv preprint arXiv …, 2023 - arxiv.org
We study the dynamics of contact mechanical systems on Lie groups that are invariant under
a Lie group action. Analogously to standard mechanical systems on Lie groups, existing …

The geometry of dissipation

A López-Gordón - arXiv preprint arXiv:2409.11947, 2024 - arxiv.org
Dissipative phenomena manifest in multiple mechanical systems. In this dissertation,
different geometric frameworks for modelling non-conservative dynamics are considered …

Reduction by symmetries of contact mechanical systems on Lie groups

A Anahory, LJ Colombo, M de Leon, JC Marrero… - SIAM Journal on Applied …, 2024 - SIAM
We study the dynamics of contact mechanical systems on Lie groups that are invariant under
a Lie group action. Analogously to standard mechanical systems on Lie groups, existing …

On the integrability of hybrid Hamiltonian systems

A López-Gordón, LJ Colombo - IFAC-PapersOnLine, 2024 - Elsevier
A hybrid system is a system whose dynamics are controlled by a mixture of both continuous
and discrete transitions. The integrability of Hamiltonian systems is often identified with …

Contact formalism for dissipative mechanical systems on Lie algebroids

AA Simoes, L Colombo, M de Leon, M Salgado… - arXiv preprint arXiv …, 2023 - arxiv.org
In this paper, we introduce a geometric description of contact Lagrangian and Hamiltonian
systems on Lie algebroids in the framework of contact geometry, using the theory of …

Contracting Forced Lagrangian and Contact Lagrangian Systems: application to nonholonomic systems with symmetries

AA Simoes, L Colombo - 2023 American Control Conference …, 2023 - ieeexplore.ieee.org
In this paper we address the problem of identifying contracting systems among dynamical
systems appearing in mechanics. First, we introduce a sufficient condition to identify …