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Structural responses to non-uniformly modulated evolutionary random seismic excitations (1997)

LIN, J. H. ; SUN, D. K. ; SUN, Y. ; [et al.]

Chichester : Wiley-Blackwell

Communications in Numerical Methods in Engineering 13 (1997), S. 605-616

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ISSN: 1069-8299

Keywords: structures ; response ; seismic ; random ; earthquake ; evolutionary ; Engineering ; Numerical Methods and Modeling

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mathematics , Technology

Notes: This paper presents an accurate algorithm for structural non-stationary random seismic responses. The ground acceleration is assumed to be an evolutionary random process, of which the modulation function is non-uniformly modulated, i.e. it depends on both time and frequency. The method is used to compute the non-stationary seismic responses of a non-uniform shear beam. The dependency of the power spectral densities of the excitations and of the responses on time and frequency is discussed, based on numerical results. ©1997 John Wiley & Sons, Ltd.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

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