### Markov S.I. Itkina N.B.

## Semi-implicit projection methods for solving the Navier-Stokes problem

### Reporter: Markov S.I.

An eddy noncompressible gas flow is described by nonstationary Navier-Stokes equations. A projection Chorin-Temam method is used for the time integration of the nonstationary Navier-Stokes equations. A computational scheme of a discontinuous Galerkin method is applied for the H(div) finite element discretization. Mathematical modeling results of a gas flow in a channel with a variable diameter are presented. A comparative analysis of the mathematical modeling results with experimental data is given.

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