Abstract
The incompressible Navier-Stokes equations are composed of the conservation law and the diffusion and constrained development equations. To test the numerical method, based on the unstructured grid, a discontinuous Galerkin scheme was established. The numerical results of the eddy current problem for different viscosity coefficients υ were discussed. The simulation results show that, the method has high precision and can solve the incompressible viscous fluid problem with moving interface, which makes the simulation boundary layer, the shear layer and the complex vortex solution be very effective, and the shock structure can be successfully extended to the numerical simulation of complex phenomena.
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