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Analyze
Models require loads and boundary conditions in order to represent the various physics and/or physical equivalents to bench and in-use testing.
Apply Velocities
Create concentrated velocities by applying a load, representing velocities, to a node or set.

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Analyze
Models require loads and boundary conditions in order to represent the various physics and/or physical equivalents to bench and in-use testing.
- Apply Pressures
  Create pressure loads on elements by applying a load, representing pressures, to a 1D or 2D element, or to the face/edge of a solid element.
- Apply Forces
  Create concentrated forces by applying a load, representing forces, to a node or set.
- Apply Moments
  Create concentrated moments by applying a load, representing moments, to a node or set.
- Apply Constraints
  Place constraints or enforced displacements on a model. This is accomplished by assigning a degree of freedom (DOF) constraint to the node or set.
- Apply Velocities
  Create concentrated velocities by applying a load, representing velocities, to a node or set.
- Apply Accelerations
  Create accelerations by applying a load, representing accelerations, to nodes or sets.
- Apply Temperatures
  Create temperature constraints by applying a load that represents temperatures to nodes, components surfaces, or sets.
- Apply Flux Loads
  Create concentrated fluxes by applying a load, representing fluxes, to element nodes.
- Update Load Types and Equations
  Apply load type changes for a load or equation to your model.
- Pretension Manager
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- Contour Loads Tool
  Use the Contour Loads utility to create contour plots of applied loads and boundary conditions contained within load collectors.
- Loads Summary Tool
  Use the Loads Summary tool to create a summary of the loads (node-based forces or moments, and element-based pressures) applied to a model.
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View All Altair HyperWorks Help

Apply Velocities

Create concentrated velocities by applying a load, representing velocities, to a node or set.

Velocities are load config 8 and are displayed as a vector with the letter V at the tail end.

Note: In the Radioss, Abaqus, and LS-DYNA profiles, load entities are created immediately upon entering the tool. Use the Entity Editor to modify any properties. In all other solver profiles, load entities aren't created until you make your selections then click Create.

From the Analyze ribbon, click the Velocities tool.

Figure 1.

Note: In the Abaqus profile, first click the Body Forces tool then select Velocities from the secondary ribbon.
Select the keyword to create from the Load Type menu.
The available types depend on the current solver interface.
Choose the entities to which the velocity will be applied
Define the velocity's direction relative to a local coordinate system or the default global system.
Specify the magnitude and direction of the velocity.

Constant Components

Specify the direction and magnitude of the load by entering the X, Y, and Z values of the components.

Constant Vector

Specify the magnitude, then use the plane and vector tool to specify the vector along which the load should act.

Curve Components

Specify the X, Y, and Z components to define the direction and magnitude, for example, (2,2,2) will be twice the magnitude of (1,1,1). Next, select an existing curve. Last, specify a factor for the curve’s xscale to use the same curve for many different cases, but vary the scale of its intensity or time to match the needs of your current load.

Curve Vector

When working with loads that are time dependent, use this method to first specify a magnitude (yscale) for the curve. Next, select an existing curve, then use the plane and vector tool to specify a direction, if necessary. Last, specify a factor for the curve's xscale to use the same curve for many different cases, but vary the scale of its intensity or time to match the needs of your current moment.
If working in a controller, click Create.