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What Is a Flow Volume?

We already have some content explaining the workflow of a CFD Simulation, how to extract a flow volume and what a seed face is. This article focuses on what a flow volume is.

For flow simulations we need to capture the fluid volume from the solid assembly. Depending on what you want to analyze you might need to simulate a flow inside your geometry, like pumps or heat exchangers, or the outside of your geometry, like the aerodynamic behavior of a car, or around a building.

Internal Flows

The flow volume is the region where you have a liquid or gas. The image below shows the flow volume that we extracted theom a pipe.

Internal flow volume

External Flows

To simulate the flow around a vehicle, you need to create a volume around your geometry. This flow volume is our virtual wind tunnel.

External flow volume

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