The Incompressible Potential Flow (ipf) interface () is used for simulating irrotational, inviscid, and incompressible flow. The main application of the interface is to provide initial solutions for other Single-Phase Flow interfaces.

The Incompressible Potential Flow interface is available for stationary analyses. The main feature is Fluid Properties, which adds the Laplace equation. The Fluid Properties feature provides an interface for defining the fluid material and its properties used to derive the velocity and pressure. When this physics interface is added, the following default nodes are also added in the Model Builder:

Then, from the Physics toolbar, add other nodes that implement boundary conditions. You can also right-click Incompressible Potential Flow to select physics features from the context menu.

The Label is the default physics interface name.

The Name is used primarily as a scope prefix for variables defined by the physics interface. Refer to such physics interface variables in expressions using the pattern <name>.<variable_name>. In order to distinguish between variables belonging to different physics interfaces, the name string must be unique. Only letters, numbers, and underscores (_) are permitted in the Name field. The first character must be a letter.

The default Name (for the first physics interface in the model) is ipf.

This node specifies Total pressure (SI unit: Pa) used to compute the pointwise static pressure from the potential flow solution.

This physics interface solves for the Velocity Potential ϕ-dependent variable (field).

Select shape function type for the velocity potential. The default setting is Quadratic.