2020
DOI: 10.1299/mel.20-00228
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Influence of higher orders of Neumann expansion on accuracy of stochastic linear elastic finite element method with random physical parameters

Abstract: The objective of this study is to quantify the influence of higher orders of expansion in the formulation of stochastic finite elements method on the linear elastic response in 2-dimensional problems with random physical parameters in the left hand side term. Neumann expansion was used to get an explicit expression of the result. Young's modulus was considered as a random variable following normal distribution. The coefficient of variance (COV) of this input parameter ranged in this study up to 0.3 (30%), and … Show more

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