Contents Chapter 13: Centrifugal Impeller Analysis Using Cyclic Symmetry and Linear Perturbation | Print page 13.9. ReferencesSupporting theory for the cyclic symmetry formulation is available in the following reference:Dickens, J. M. (1980). Numerical Methods for Dynamic Substructure Analysis. Ph.D. Thesis from University of California, Berkeley. « 13.8. Recommendations 13.10. Input Files »