In the Linear-Dynamics and Non-Linear Dynamics analysis the Initial Conditions of the structured must be defined. These initial conditions can be applied for every degree of freedom (X, Y, Z and rotations for beams and shells), and for every node in the model
Default units are meters for the X, Y and Z displacements and radians for the prescribed rotations. X Constraint, Y Constraint and Z Constraint mean the displacements along the axes. Theta x Constraint, theta y constraints and theta z constraints mean the rotations around the axes. Signs are as follows (right hand rule):
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This condition can be applied to either points, lines or in the solid analysis, to surfaces.
Note: 3D solids have only three degrees of freedom: displacements in X, Y and Z.