SimScale simulation projects by adriaper | Page 1

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If the fluid has very high viscosity, and the velocity and velocity gradients are low, the convective term in the Navier-Stokes equation can usually be neglected in front of the viscosity term.

We will simulate the generation if a normal shock wave in a de Laval nozzle. A shock wave occurs when supersonic flow can not maintain the regime anymore when the pressure downstrem is too high. To match the outside pressure, an non isentropic process happens in which the fluid properties change suddenly. In the case we will be studying, a nozzle expands air below 0,1 bar when the outside pressure is 1 bar, so a normal shock wave occurs.

The first case will be the well known lid-driven cavity problem. 1rst Practice

Tutorial project for a flow analysis of a pipe junction. The project only provides the geometry to start with. See our tutorials section to have a look at the step-by-step instructions to set up the simulation.

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