Differentiation of functionals with variables coupled by constraints: Analysis through a fluid-dynamical model

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dc.creatorGal, Tamas
dc.date2007-01-11
dc.date2007-03-08
dc.date.accessioned2026-07-07T08:03:47Z
dc.date.available2026-07-07T08:03:47Z
dc.descriptionAnalysing an application in liquid film dynamics, a guide for obtaining the corresponding constrained functional derivatives for constraints coupling the functional variables is given. The use of constrained derivatives makes the proper account for constraints possible in time-dependent, nonequilibrium physical theories, with physical equations not emerging as Euler-Lagrange equations, which is especially relevant with respect to the dynamics of complex liquids.
dc.description12 pages; with further cases of coupling added, extended opening discussion of constrained derivative, and some notation changed
dc.identifierhttps://arxiv.org/abs/physics/0701145
dc.identifierhttp://arxiv.org/abs/physics/0701145
dc.identifierJ. Math. Phys. 48, 053520 (2007)
dc.identifierdoi:10.1063/1.2737265
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/129708
dc.subjectFluid Dynamics
dc.subjectMathematical Physics
dc.subjectFunctional Analysis
dc.titleDifferentiation of functionals with variables coupled by constraints: Analysis through a fluid-dynamical model
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