A brief note on the analytical solution of Meshchersky's equation within the inverse problem of Lagrangian mechanics

Casetta, Leonardo; Pesce, Celso P.

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

A brief note on the analytical solution of Meshchersky's equation within the inverse problem of Lagrangian mechanics

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Author(s):	Casetta, Leonardo ^[1] ; Pesce, Celso P. ^[1] Total Authors: 2
Affiliation:	^[1] Univ Sao Paulo, Dept Mech Engn, Offshore Mech Lab, Escola Politecn, Sao Paulo - Brazil Total Affiliations: 1
Document type:	Journal article
Source:	ACTA MECHANICA; v. 226, n. 7, p. 2435-2439, JUL 2015.
Web of Science Citations:	4
Abstract
Meshchersky's equation is a basic differential equation in the mechanics of variable-mass particles. This note particularly considers the case in which a one-dimensional and position-dependent mass particle is under the action of a potential force. The absolute velocity of mass ejection (or accretion) is supposed to be a linear function of the particle velocity. Within the formulation of the inverse problem of Lagrangian mechanics, an analytical solution of Meshchersky's equation is here derived. The solution method follows from applying the concept of constant of motion of an extremum problem, which is a fundamental ground in the theory of invariant variational principles. (AU)

FAPESP's process:	12/10848-4 - ADVANCED STUDIES ON THE MECHANICS OF VARIABLE MASS SYSTEMS
Grantee:	Leonardo Casetta
Support Opportunities:	Scholarships in Brazil - Post-Doctoral

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