In such a case, the check valve is connected to a spring that acts to push the valve to the valve seat and to shut the flow. For instance, they are often used to act as a pressure-relieving device by only allowing fluid to leave the domain when the pressure is higher than a certain level. Check valves are commonly used to allow unidirectional flow. In this tutorial, such a case will be used to demonstrate the layering feature of the dynamic mesh capability in ANSYS Fluent. For example, flow around a check valve can be simulated using only the layering scheme. However, for simple dynamic mesh problems involving linear boundary motion, the layering scheme is often sufficient. A combination of these three schemes is used to tackle the most challenging dynamic mesh problems. The building blocks for dynamic mesh capabilities within ANSYS Fluent are three dynamic mesh schemes, namely, smoothing, layering, and remeshing. Introduction In ANSYS Fluent the dynamic mesh capability is used to simulate problems with boundary motion, such as check valves and store separations. Chapter 15: Using Dynamic Meshes This tutorial is divided into the following sections: 15.1.
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