THE ADVANCES OF MODAL THEORY

in recent years the classic modal theory for linear dynamic systems is in a continuous development and has also been extended to nonlinear structural vibrating systems and strain/stress field vibration analysis. Many important results have been obtained. This paper gives a brief review on the research on displacement real, complex and generalized modal theories of linear vibrating systems, nonlinear modal analysis of structural vibrating systems, strain/stress modal analysis. A list of references is present...