### 15.5.8. forceNorm

Returns the per unit width force on a line in the direction of the specified axis. It is available only for a polyline created by intersecting a locator on a boundary. Momentum data must also be available. The magnitude of the value returned can be thought of as the force in the specified direction on a polyline, if the polyline were 2D with a width of one unit.

    [<Phase>.]forceNorm[_<Axis>[_<Coord Frame>] ]()@<Location>

where:

- `[<Phase>.]` is an optional prefix that is not required for single-phase flows. For details, see CEL Functions with Multiphase Flow.

- `<Axis>` is x, y, or z

- `<Coord Frame>` is available in CFD-Post only

- `<Location>` is any 1D location. An error will be raised if the location specified is not one-dimensional.

`forceNorm_y()@Polyline1` calculates the per unit width force in the Y direction on the selected polyline.

#### 15.5.8.1. Tools > Command Editor Example

    >calculate forceNorm, <Location>, <Axis>, [<Phase>]

#### 15.5.8.2. Tools > Function Calculator Example

The result from this calculation is force per unit width on `Polyline1` in the X direction.

Function: `forceNorm`, Location: `Polyline1`, Direction: `Global X`, Phase: `All Fluids`.

Release 18.2 - © ANSYS, Inc. All rights reserved.