Define a force or moment load using components (Simcenter Samcef)

The Components type lets you define a force or moment load in terms of a global or local coordinate system. For example, if you choose a local Cartesian coordinate system, you can enter magnitude for each of the X, Y, and Z components.

1. Choose Home tab→Loads and Conditions group→Force or Moment .

2. In the Force or Moment dialog box, select Components from the Type list.

3. In the Model Objects group, click Select Object and select the geometry or FE entity to which the force or moment will be applied.

4. In the Direction group, select the coordinate system to use to define the load.

5. (Optional) If you set Coordinate System to a local type, in the Local list, specify the coordinate system.

6. In the Components group, define the force magnitude in one of these ways:Select Expressions to use a constant value or expression to define the magnitude for each of the components. You can enter an expression for each component (for example, Fx, Fy, and Fz).Select Field to define a force or moment magnitude that varies with time. For each component, enter a scale factor.

7. (Optional) In the Distribution group, select the method for distributing the force or moment over the geometry or FE entities:Select Total Per Object to apply the magnitude to each selected item. Select Geometric Distribution to distribute the total force or moment over all the selected items based on the area. All the nodes on the selected items then get a fraction of the force or moment based on the area of the associated elements. Select Spatial to use a unitless field to map the force or moment to the nodes.

8. (Optional) To define a follower force (valid for a structural nonlinear solution only), select the Follower Force check box.For more information, see Follower force and moment load overview (Simcenter Samcef).

9. Click OK.The load is applied to the model.

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Force dialog box

Moment dialog box

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Define a force or moment load using components (Simcenter Samcef), Simcenter 3D 2021.1 Series

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