Results 21 to 30 of about 17,286,981 (307)

A novel Hamiltonian-based method for two-dimensional transient heat conduction in a rectangle with specific mixed boundary conditions

open access: yesJournal of Thermal Science and Technology, 2017
A novel Hamiltonian-based method is introduced to the two-dimensional (2-D) transient heat conduction in a rectangular domain with partial temperature and partial heat flux density on one boundary.
Chenghui XU   +3 more
doaj   +1 more source

Controlled Lagrangian and Hamiltonian Systems [PDF]

open access: yes, 2002
any control systems are mechanical systems. The unique feature of mechanical systems is the notion of energy, which gives much information on the stability of equilibria.
Chang, Dong Eui
core   +1 more source

The dynamics of the relativistic Kepler problem

open access: yesResults in Physics, 2020
We deal with the Hamiltonian system (HS) associated to the Hamiltonian in polar coordinates H=12pr2+pϕ2r2-1r-∊2r2, where ∊ is a small parameter. This Hamiltonain comes from the correction given by the special relativity to the motion of the two-body ...
Elbaz I. Abouelmagd   +2 more
doaj   +1 more source

Hamiltonian open quantum system toolkit

open access: yesCommunications Physics, 2022
In quantum computing, simulating continuously evolving open quantum systems is key to describe dynamical processes on noisy quantum devices. Here, the authors present an open-source software package “Hamiltonian Open Quantum System Toolkit” (HOQST) for ...
Huo Chen, Daniel A. Lidar
doaj   +1 more source

Some notes on port-Hamiltonian systems on Banach spaces [PDF]

open access: yes, 2021
We consider port-Hamiltonian systems from a functional analytic perspective. Dirac structures and Hamiltonians on Banach spaces are introduced, and an energy balance is proven.
Reis, Timo
core   +1 more source

Generalized Lie-algebraic structures related to integrable dispersionless dynamical systems and their application

open access: yesJournal of Mathematical Sciences and Modelling, 2018
Our review is devoted to Lie-algebraic structures and integrability properties of an interesting class of nonlinear dynamical systems called the dispersionless heavenly equations, which were initiated by Plebanski and later analyzed in a series of ...
Anatolij Prykarpatski   +3 more
doaj   +1 more source

Equivariant singularity theory with distinguished parameters: Two case studies of resonant Hamiltonian systems [PDF]

open access: yes, 1998
We consider Hamiltonian systems near equilibrium that can be (formally) reduced to one degree of freedom. Spatio-temporal symmetries play a key role. The planar reduction is studied by equivariant singularity theory with distinguished parameters.
Vegter, G   +15 more
core   +1 more source

Hamiltonian Systems with Spin [PDF]

open access: yesCanadian Mathematical Bulletin, 1969
In this note we give a brief exposition of the mathematical foundations of the theory of spin for both classical and quantum mechanical systems on oriented Riemannian manifolds. We shall use freely the notations and theory developed in Abraham [1] and Marsden [2, 3], From the physical point of view nothing new appears.
openaire   +2 more sources

DISCRETE PORT HAMILTONIAN SYSTEMS [PDF]

open access: yesIFAC Proceedings Volumes, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Talasila, V.   +2 more
openaire   +3 more sources

On Factorization, Interconnection and Reduction of Collocated Port-Hamiltonian Systems [PDF]

open access: yes, 2004
Based on a geometric interpretation of nonlinear balanced reduction some implications of this approach are analyzed in the case of collocated port-Hamiltonian systems which have a certain balance in its structure.
Ricardo Lopezlena   +6 more
core   +1 more source

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