Abstract
We study Lagrangian systems with symmetry under the action of a constant generalized force in the direction of the symmetry field. After Routh's reduction, such systems become nonautonomous with Lagrangian quadratic in time. We prove the existence of solutions tending to an orbit of the symmetry group as t→± ∞. As an example, we study doubly asymptotic solutions for the Kirchhoff problem of a heavy rigid body in an infinite volume of incompressible ideal fluid performing a potential motion.
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Supported by GNFM and by MURST (40%: «Equazioni di evoluzione...»).
Supported by Russian Foundation of Basic Research and by INTAS.
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Bertotti, M.L., Bolotin, S.V. Doubly asymptotic trajectories of Lagrangian systems in homogeneous force fields. Annali di Matematica pura ed applicata 174, 253–275 (1998). https://doi.org/10.1007/BF01759374
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DOI: https://doi.org/10.1007/BF01759374