3.2. Convert the Model for Eigenvalue Analysis

Create a directory called eigenvalue.
Copy \explicit\bracket_explicit.k to \eigenvalue\bracket_eigenvalue.k.
Launch LS-PrePost.
Select File > Open > LS-DYNA Keyword File.
Open bracket_eigenvalue.k.
Select FEM > Model and Part > Keyword Manager.
Click All.
Select IMPLICIT_EIGENVALUE from the list.
Click Edit.
Enter NEIG=10 in the KEYWORD INPUT popup form.
Click Accept.
Click Done .
Select IMPLICIT_GENERAL from the list.
Click Edit.
Enter IMFLAG=1 in the KEYWORD INPUT popup form.
Click Accept.
Click Done.
Select File > Save Keyword.
Overwrite bracket_eigenvalue.k.