International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP) (12th : 2015)

The moment equation closure method revisited through the use of complex fractional moments Alotta, Gioacchino; Bucher, Christian; Di Matteo, Alberto; Di Paola, Mario; Pirrotta, Antonina

Abstract

In this paper the solution of the Fokker Planck (FPK) equation in terms of (complex) fractional moments is presented. It is shown that by using concepts coming from fractional calculus, complex Mellin transform and related ones the probability density function response of nonlinear systems may be written in discretized form in terms of complex fractional moment not requiring a closure scheme.

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