The slave node equations can be used for definitions of rigid body motions and slave nodes. This is very helpful when the mode shapes are animated. Even though the measurements
are only available in few nodes of the geometry the equations can be used to make the complete geometry move.

 

Global Slave Nodes

Global slaves nodes affect all modes estimated by the software. These slave node equations can be entered directly into the project using the Slave Node Equations editor, shown below, that can be started from the toolbar button in the Geometry window, or they can be loaded together with the rest of the project using the SVS Configuration File, see here to have a detailed explanation of the possibilities concerning the definition of Slave Node Equations.

Local Slave Nodes

By selecting a specific mode in the Modes List and then clicking the green '+' button in the toolbar, it is possible to add a slave node equation specifically defined for the selected mode.

Interpolation Slave Nodes

By selecting the Interpolation item in the list it is possible to view all the slave node equations automatically generated by the Interpolate Free Nodes utility.

 

Updating Modes with Slave Node Equations

When you enter the slave nodes into the editor below press the Update button in the toolbar to apply the equations to the mode shapes and operating deflection shapes of the project.