Mass Node
The Mass Node ()feature adds a lumped mass to a node in the mechanical system.
Name
Enter a component Name for the mass. The default name (for the first instance) is mn1.
Node Connections
Set the Node name for the mass node.
Component Parameters
Specify the value of the Mass, m.
Initial Values
Enter the values of Initial displacement (u) and Initial velocity (u/∂t). The initial values are used in a time dependent analysis.
Gravity
Select the Exclude contribution checkbox in order to exclude the contribution of gravity force.
Results
Select appropriate options in the Add the following to default results in order to include the following quantities in the default plots or evaluations:
Location in User Interface
Context Menus
Ribbon
Physics tab with  Lumped Mechanical System selected: