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Response analysis under stochastic loading in presence of structural uncertainties

✍ Scribed by Sandro Chiostrini; Luca Facchini

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 255 KB
Volume: 46
Category: Article
ISSN: 0029-5981
DOI: 10.1002/(sici)1097-0207(19991030)46:6<853::aid-nme677>3.0.co;2-7

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✦ Synopsis

The response of a structure with random parameters (e.g. sti!ness, or damping coe$cients) is investigated, when it is subjected to a random load. The structural behaviour can be either linear or non-linear, but the forcing process has been assumed to be second-order Gaussian. A modi"ed series expansion is used to determine response statistics, in the various cases of a Du$ng oscillator with random sti!ness and damping coe$cients being subjected to a deterministic sinusoidal force, a random amplitude sinusoidal force, a Kanai}Taijimi-type earthquake.

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