Lagrangian Variational Framework for Boundary Value Problems
Abstract
A boundary value problem is commonly associated with constraints imposed on a system at its boundary. We advance here an alternative point of view treating the system as interacting "boundary" and "interior" subsystems. This view is implemented through a Lagrangian framework that allows to account for (i) a variety of forces including dissipative acting at the boundary; (ii) a multitude of features of interactions between the boundary and the interior fields when the boundary fields may differ from the boundary limit of the interior fields; (iii) detailed pictures of the energy distribution and its flow; (iv) linear and nonlinear effects. We provide a number of elucidating examples of the structured boundary and its interactions with the system interior. We also show that the proposed approach covers the well known boundary value problems.
Cite
@article{arxiv.1407.5712,
title = {Lagrangian Variational Framework for Boundary Value Problems},
author = {Alexander Figotin and Guillermo Reyes},
journal= {arXiv preprint arXiv:1407.5712},
year = {2015}
}
Comments
41 pages, 3 figures