A statistical linearization approach is applied to problems of the stationary random response of nonlinear multidegree-of-freedom dynamical systems. The approach is formulated in such a way that the resulting linear system parameters have a simple physical interpretation and can often be determined analytically. The accuracy of the approach is investigated by means of examples.
Application of Statistical Linearization Techniques to Nonlinear Multidegree-of-Freedom Systems
W. D. Iwan
California Institute of Technology, Pasadena, Calif.
Tetra Tech, Inc., Pasadena, Calif.
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Iwan, W. D., and Yang, I. (June 1, 1972). "Application of Statistical Linearization Techniques to Nonlinear Multidegree-of-Freedom Systems." ASME. J. Appl. Mech. June 1972; 39(2): 545–550. https://doi.org/10.1115/1.3422714
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