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- W2897735251 abstract "In this paper, the mathematical framework for a computationallyefficient stochastic finite element method (FEM)is outlined. It is devised for a range of applications instructural dynamics, where uncertainties need to be reliablydealt with in the context of reduced model formulations.It allows random mass and stiffness matricesto be robustly generated at the subsystem level in componentmode synthesis (CMS) applications. The techniqueis validated for the particularly challenging caseof mid-frequency FEM-FEM vibroacoustic analysis of aspacecraft structure. Results are compared against bothtest data and full parametric Monte-Carlo simulation. Finally,the method’s applicability to coupled vibroacousticproblems utilising hierarchical matrix boundary elementmethod (BEM) acoustic formulations is evaluated." @default.
- W2897735251 created "2018-10-26" @default.
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- W2897735251 date "2018-04-28" @default.
- W2897735251 modified "2023-09-23" @default.
- W2897735251 title "Efficient matrix randomisation methodology for reduced spacecraft models in stochastic FEM-BEM vibroacoustc problems" @default.
- W2897735251 hasPublicationYear "2018" @default.
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