نتایج جستجو برای: navier condition

تعداد نتایج: 334642  

2006
Sébastien Zimmermann

We introduce a finite volume scheme for the two-dimensional incompressible Navier-Stokes equations. We use a triangular mesh. The unknowns for the velocity and pressure are respectively piecewise constant and affine. We use a projection method to deal with the incompressibility constraint. We show that the differential operators in the Navier-Stokes equations and their discrete counterparts sha...

2008
Thomas Y. Hou Zhen Lei

We investigate the stabilizing effect of convection in 3D incompressible Euler and NavierStokes equations. The convection term is the main source of nonlinearity for these equations. It is often considered destabilizing although it conserves energy due to the incompressibility condition. In this paper, we show that the convection term together with the incompressibility condition actually has a...

2007
Chi Hin Chan Alexis Vasseur

where u is a vector-valued function representing the velocity of the fluid, and p is the pressure. Note that the pressure depends in a non local way on the velocity u. It can be seen as a Lagrange multiplier associated to the incompressible condition (2). The initial value problem of the above equation is endowed with the condition that u(0, ·) = u0 ∈ L (R). Leray [11] and Hopf [6] had already ...

Journal: :Proceedings of the Japan Academy, Series A, Mathematical Sciences 1982

Journal: :Communications on Pure and Applied Mathematics 1991

2008
THOMAS Y. HOU ZHEN LEI

We investigate the stabilizing effect of convection in three-dimensional incompressible Euler and Navier-Stokes equations. The convection term is the main source of nonlinearity for these equations. It is often considered destabilizing although it conserves energy due to the incompressibility condition. In this paper, we show that the convection term together with the incompressibility conditio...

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