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Órbitas relativísticas usando o Princípio de Mínima Ação
(Universidade Federal de São Paulo, 2020-10-09)
O presente trabalho apresenta e analisa gráficos que mostram a diferença de
trajetória nas órbitas de uma partícula sob aproximações da mecânica Newtoniana e
sob aplicação da Teoria da Relatividade Geral, a última ...
A Sutileza dos Quatérnions no Movimento de Rotação de Corpos Rígidos
(Sociedade Brasileira de Física, 2016-06-01)
The angular velocity of a rigid body is usually described in classical mechanics courses by using Euler angles. However, in order to avoid singularity problems on the numerical integration of the motion equations, another ...
On the asymptotic behaviour of the 2D Navier-Stokes equations with Navier friction conditions towards Euler equations
(Wiley-v C H Verlag GmbhWeinheimAlemanha, 2009)
Asymptotic Equivalence of Evolution Equations Governed by Cocoercive Operators and Their Forward Discretizations
(Springer New York LLC, 2019)
© 2018, Springer Science+Business Media, LLC, part of Springer Nature.The purpose of this work is to study discrete approximations of evolution equations governed by cocoercive operators by means of Euler iterations, both ...
Simulation results and applications of an advection bounded scheme to practical flows
(Sociedade Brasileira de Matemática Aplicada e Computacional, 2012-01-01)
This paper reports experiments on the use of a recently introduced advection bounded upwinding scheme, namely TOPUS (Computers & Fluids 57 (2012) 208-224), for flows of practical interest. The numerical results are compared ...
TWO-DIMENSIONAL EULER FLOWS WITH CONCENTRATED VORTICITIES
(AMER MATHEMATICAL SOC, 2010)
For a planar model of Euler flows proposed by Tur and Yanovsky (2004), we construct a family of velocity fields w(e) for it fluid in a bounded region Omega, with concentrated vorticities w(e) for epsilon > 0 small. More ...
Existence of a weak solution for the semigeostrophic equation with integrable initial data
(Royal Soc EdinburghEdinburghEscócia, 2002)
Some existence results on periodic solutions of Euler–Lagrange equations in an Orlicz–Sobolev space setting
(Pergamon-Elsevier Science Ltd, 2015-09)
In this paper we consider the problem of finding periodic solutions of certain Euler-Lagrange equations. We employ the direct method of the calculus of variations, i.e. we obtain solutions minimizing certain functional I. ...