The following reference works are cited in this example problem:
Craig, R.R. & Bampton, M. D. D. (1968). Coupling of substructures for
dynamic analysis. AIAA Journal. 6(7),
1313-1319.
Craig, R.R. (1987). A review of time domain and frequency domain component
mode synthesis methods. International Journal of
Analytical and Experimental Modal Analysis. 2(2), 59-67.
