نتایج جستجو برای: normal non rotating frame

تعداد نتایج: 1917451  

Journal: :Annales de l'Institut Henri Poincaré C, Analyse non linéaire 2021

Abstract The family of planar linear chains are found as collision-free action minimizers the spatial N-body problem with equal masses under D N and × Z 2 -symmetry constraint different types topological constraints. This generalizes a previous result by author in [32] for problem. In particular, monotone constraints required proven to be unnecessary, it will implied minimization property. For ...

Journal: :bulletin of the iranian mathematical society 2014
h. mousavi

‎let $g$ be a finite group and $nu(g)$ denote the number of conjugacy classes of non-normal subgroups of $g$‎. ‎in this paper‎, ‎all nilpotent groups $g$ with $nu(g)=3$ are classified‎.

2003
S. N.

An efficient formulation for dynamic analysis of planar Timoshenko’s beam with finite rotations is presented. Both an inertial frame and a rotating frame are introduced to simplify computational manipulation. The kinetic energy of the system is obtained by using the inertial frame so that it takes a quadratic uncoupled form. The rotating frame together with the small strain assumption is employ...

2010
Paul J. Dellar Rick Salmon

This paper derives a set of two dimensional equations describing a thin inviscid fluid layer flowing over topography in a frame rotating about an arbitrary axis. These equations retain various terms involving the locally horizontal components of the angular velocity vector that are discarded in the usual shallow water equations. The obliquely rotating shallow water equations are derived both by...

Journal: :Applied Mathematics and Computation 2015
Manuel Iñarrea Víctor Lanchares Jesús F. Palacián Ana I. Pascual J. P. Salas Patricia Yanguas

In this paper we focus on a generalized Hénon–Heiles system in a rotating reference frame, in such a way that Lagrangian-like equilibrium points appear. Our goal is to study their nonlinear stability properties to better understand the dynamics around these points. We show the conditions on the free parameters to have stability and we prove the superstable character of the origin for the classi...

2008
Luis Benet Thomas H. Seligman

We propose a generic mechanism for the formation of narrow rings in rotating systems. For this purpose we use a system of discs rotating about a common center lying well outside the discs. A discussion of this system shows that narrow rings occur, if we assume noninteracting particles. A saddle-center bifurcation is responsible for the relevant appearance of elliptic regions in phase space, tha...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2008
Mykhaylo Evstigneev Olga Zvyagolskaya Stefan Bleil Ralf Eichhorn Clemens Bechinger Peter Reimann

We investigate the diffusion of a colloidal particle in a tilted periodic potential created by means of ten rotating optical tweezers arranged on a circle. Because of the viscous drag, the trap rotation leads to the onset of a tilting force in the corotating reference frame, so that in that frame the system can be described as an overdamped Brownian particle in a tilted periodic potential. The ...

2015
Wenyu Zhou

Radiative-convective equilibrium (RCE), in which the radiative cooling in the atmosphere is balanced by the convective heating in a horizontally homogeneous environment, is a good starting point for studying tropical convection. It also provides an idealized framework to compare analogous simulations by global climate models (GCMs) which rely on convective parameterizations, and cloud-resolving...

2000
A. V. Afanasjev P. Ring

Time-odd mean fields in the rotating frame: microscopic nature of nuclear magnetism. Abstract The microscopic role of nuclear magnetism in rotating frame is investigated for the first time in the framework of the cranked relativistic mean field theory. It is shown that nuclear magnetism modifies the expectation values of single-particle spin, orbital and total angular momenta along the rotation...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1998
A A Fenton M Wesierska Y Kaminsky J Bures

Foraging rats learned to avoid footshock that was present in a part of a circular arena that was either stable or rotating slowly in a lighted room. The rotation dissociated spatial information in the separate reference frames of the room and arena. After learning to avoid the shocked region in either condition, in the absence of shock, memory for this place was expressed by simultaneous avoida...

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