Command reference help topics
Flexible Slider dialog box
| Name | |
|---|---|
| Name | Sets the name of the joint time constraint. The name appears in the Simulation Object Container and the Information window. |
| Description | Sets the description of the joint time constraint. The description appears in the Information window. |
| Destination Folder | |
| Simulation Object Container | Specifies the folder in the Simulation Object Container in which the load is stored. The list includes the root container and existing folders that you created using the New Folder command.To view a hierarchical list of existing folders, click Folder Manager . To create a new folder, right-click any level of the hierarchy and choose New Folder. |
| Nodes and Elements | |
| In the Nodes group, select the entities to be displaced along the beam elements. You can select nodes, points, mesh points, connection or selection recipes, or polygon edges, faces, or bodies.In the Elements group, select beam elements, beam meshes, or a selection recipe that returns beam elements. The nodes you select connect to these beam elements.(1) beam elements, (2) nodes to be displaced along the beam elements, (3) slider elements generated by the solver, (4) sensor node | |
| Group Reference | Lets you select the nodes or the elements as a group.For more information, see Group Reference options. |
| Select Object | Lets you use the graphics window to select the nodes or the elements that you want to use in the flexible slider.To limit your selections in the graphics window to a type of entity, use the Filter Type list in the Top Border bar. |
| Stacked Smart Selector Methods | Opens the Smart Selector Methods dialog box where you can specify a progression of smart selection filters.For more information, see Smart Selector Methods dialog box. |
| Excluded | Lets you use the graphics window to remove individual entities from within the selected object.To limit your selections in the graphics window to a type of entity, use the Filter Type list in the Top Border bar. |
| Master Node | |
| Appears when Type is set to Sensor, Force Driver, or Displacement Driver. | |
| Master Node | Lets you select the node that drives the motion in the joint. If the master node does not belong to the group of nodes that you selected to be displaced along the beam elements, the solver adds it to this group. |
| Sensor/Actuator Node | |
| Appears when Type is set to Sensor, Force Driver, or Displacement Driver. | |
| Sensor/Actuator Node | Lets you select an independent node in space that measures the displacement of the slider. The node can track distance as a function of time, and can identify vibration in the plot. When you request output for the flexible slider joint, you can select one or more of the sensor nodes on the Structural Output Requests dialog box.You must select this node if you want to request output from it. You can select the node by ID or from the graphics windows when you request output from it.To create this node, make the FEM file the work part and choose Nodes and Elements tab→Nodes group→Node Create. You can place the node anywhere as long as it is not connected to your model.If you do not select a node, the solver creates one for you. To select that node as output, from the Entity list, select ALL. When you let the solver create the sensor node for you, you cannot select individual sensor nodes in the output request. The node number that appears in the results will be the sensor node that is created by the solver.Do not select a node that is connected to the model. |
| Properties | |
| Slider Type | Specifies the type of slider to control the relative rotations of the nodes around the beam elements.SphericalAllows relative rotation between the nodes and beam elements, but fixes their relative translation.PrismaticConstrains the nodes to slide along the beam elements, but fixes the relative rotation between them.Note: Prismatic is also known as a Slider joint.CylindricalConstrains the nodes to slide along the beam elements, and allows a relative rotation between them.UniversalConstrains the nodes to slide along the beam elements. The relative rotation between the nodes and beam elements is driven by a universal joint. |
| Number of Beams to Use | Sets the number of beams available for the nodes to connect to. To start, leave this at the default. The default behavior connects all of the nodes to all of the beam elements. The solver determines how many slider elements are necessary to connect the nodes to the beam elements, but the number is not written to the input file.When you determine that the movements in your model are correct, and you know how far the slider will travel in your model, you may want to increase this number (for a longer distances from the initial slider position), or decrease it (for a shorter distance from the initial slider position). |
| Projection | Use this option when the nodes and beam elements on your model are not aligned. This option is a quick way to solve without updating the geometry. Projection The solver aligns the nodes on the beam elements for the solve. The geometry is not moved. Projection The solver makes no adjustments for the nodes and beam elements. Clear this check box when your geometry is already aligned. |
| Friction | |
| Friction | Specifies the type of friction.No FrictionNo forces are generated when the nodes move along the beam elements. Use this when you are checking movement in your model and thus the forces are not relevant to the solve yet. InfiniteThe moving parts (nodes) and the track on which they move (elements) are in constant contact. Thus, they cannot move relative to each other. Select this option when you want the nodes to be affected by the displacements on the beam elements, but not slide on them.VelocityGenerates frictional force using a regularization based on velocity.DisplacementGenerates frictional force using a regularization based on displacement |
| Friction Coefficient | Appears when Friction is set to Displacement or Velocity.Sets the amount of resistance that you want between the moving parts (nodes) and the track on which they move (elements). |
| Sliding Velocity for Regularization | Appears when Friction is set to Velocity.Sets the value to determine how you want to adjust for quick changes in the velocity. This value can help to smooth transition of quick changes, which aids in convergence. |
| Pre-Sliding Stiffness | Appears when Friction is set to Displacement.Sets the value to determine how you want to adjust for quick changes, such as vibration, in the displacement. This value can help to smooth transition of quick changes, which aids in convergence. |
| Driver/Sensor | |
| Type | Specifies the type of driver or sensor.NoneLets you use a load set or another part of the model to drive the flexible slider.SensorLets you use a load set or another part of the model to drive the flexible slider, and lets you select the independent (sensor) node that computes the distance the flexible slider joint travels. Force DriverLets you set the amount of force to apply to the master node.Displacement DriverLets you set the amount of displacement to apply to the master node. |
| Force | Appears when Type is set to Force Driver.Sets the amount of force to apply to the master node. |
| Displacement | Appears when Type is set to Displacement Driver.Sets the amount of displacement to apply to the master node. |
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Flexible Slider dialog box, Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1565770 · retrieved 2026-07-17