Eigenvalue Analysis 1. General The eigen value problem is the solution of \[(\omega^2\boldsymbol{M}-K)=0\] M and K are the mass and stiffness matrix and \(\mathrm \omega\) is the eigen frequency. The eigenvalues and corresponding eigenvectors are solved using a truncated Lanczos method. The computational procedure is described in Section 3.2, (Bell, K., 1998). 2. References Bell, K. (1998): Eigensolvers for Structural Problems - Some Algoritms for Symmetric Eigenvalue Problems and Their Merits, Delft University Press, Delft, Netherlands